./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:55:19,778 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:55:19,779 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:55:19,785 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:55:19,785 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:55:19,786 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:55:19,786 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:55:19,787 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:55:19,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:55:19,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:55:19,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:55:19,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:55:19,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:55:19,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:55:19,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:55:19,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:55:19,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:55:19,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:55:19,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:55:19,795 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:55:19,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:55:19,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:55:19,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:55:19,797 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:55:19,797 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:55:19,798 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:55:19,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:55:19,799 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:55:19,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:55:19,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:55:19,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:55:19,800 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:55:19,800 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:55:19,800 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:55:19,801 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:55:19,801 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:55:19,801 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 02:55:19,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:55:19,809 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:55:19,809 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:55:19,809 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:55:19,809 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:55:19,809 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:55:19,809 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:55:19,809 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 02:55:19,810 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:55:19,810 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:55:19,810 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 02:55:19,810 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 02:55:19,810 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:55:19,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:55:19,810 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:55:19,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:55:19,811 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:55:19,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:55:19,811 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:55:19,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:55:19,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:55:19,811 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:55:19,811 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:55:19,811 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:55:19,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:55:19,811 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:55:19,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:55:19,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:55:19,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:55:19,812 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:55:19,812 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:55:19,812 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:55:19,812 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 02:55:19,812 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:55:19,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:55:19,812 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 02:55:19,812 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_7126b646-61df-46e9-92da-e9f486639aea/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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2018-12-02 02:55:19,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:55:19,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:55:19,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:55:19,842 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:55:19,842 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:55:19,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-12-02 02:55:19,882 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/data/bcbdd18bc/f269e2eb01d84c0095fc676ef3ab8a6e/FLAG526e8a4c1 [2018-12-02 02:55:20,315 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:55:20,316 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/sv-benchmarks/c/product-lines/minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-12-02 02:55:20,322 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/data/bcbdd18bc/f269e2eb01d84c0095fc676ef3ab8a6e/FLAG526e8a4c1 [2018-12-02 02:55:20,330 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/data/bcbdd18bc/f269e2eb01d84c0095fc676ef3ab8a6e [2018-12-02 02:55:20,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:55:20,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:55:20,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:55:20,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:55:20,335 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:55:20,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20, skipping insertion in model container [2018-12-02 02:55:20,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:55:20,362 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:55:20,512 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:55:20,520 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:55:20,600 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:55:20,616 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:55:20,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20 WrapperNode [2018-12-02 02:55:20,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:55:20,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:55:20,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:55:20,617 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:55:20,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:55:20,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:55:20,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:55:20,637 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:55:20,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (1/1) ... [2018-12-02 02:55:20,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:55:20,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:55:20,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:55:20,659 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:55:20,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:55:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 02:55:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 02:55:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:55:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:55:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 02:55:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 02:55:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:55:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 02:55:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 02:55:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 02:55:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 02:55:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 02:55:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 02:55:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 02:55:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 02:55:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 02:55:20,692 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 02:55:20,692 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 02:55:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 02:55:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:55:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:55:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:55:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:55:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 02:55:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 02:55:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 02:55:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 02:55:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 02:55:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 02:55:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 02:55:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 02:55:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 02:55:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 02:55:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 02:55:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 02:55:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 02:55:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 02:55:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:55:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:55:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 02:55:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 02:55:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 02:55:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 02:55:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 02:55:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 02:55:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 02:55:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 02:55:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 02:55:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 02:55:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 02:55:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 02:55:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 02:55:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:55:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:55:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 02:55:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 02:55:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 02:55:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 02:55:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:55:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:55:21,021 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:55:21,021 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 02:55:21,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:21 BoogieIcfgContainer [2018-12-02 02:55:21,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:55:21,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:55:21,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:55:21,025 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:55:21,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:55:20" (1/3) ... [2018-12-02 02:55:21,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4ede6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:21, skipping insertion in model container [2018-12-02 02:55:21,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:55:20" (2/3) ... [2018-12-02 02:55:21,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4ede6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:55:21, skipping insertion in model container [2018-12-02 02:55:21,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:21" (3/3) ... [2018-12-02 02:55:21,028 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50_true-unreach-call_false-termination.cil.c [2018-12-02 02:55:21,036 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:55:21,043 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:55:21,054 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:55:21,073 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:55:21,073 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:55:21,073 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:55:21,073 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:55:21,073 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:55:21,073 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:55:21,073 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:55:21,073 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:55:21,085 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2018-12-02 02:55:21,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 02:55:21,089 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:21,090 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:21,091 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:21,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:21,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1493314064, now seen corresponding path program 1 times [2018-12-02 02:55:21,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:21,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:21,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:21,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:21,123 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:21,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:21,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 02:55:21,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:21,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 02:55:21,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 02:55:21,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:55:21,249 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2018-12-02 02:55:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:21,272 INFO L93 Difference]: Finished difference Result 270 states and 333 transitions. [2018-12-02 02:55:21,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 02:55:21,273 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 02:55:21,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:21,280 INFO L225 Difference]: With dead ends: 270 [2018-12-02 02:55:21,280 INFO L226 Difference]: Without dead ends: 137 [2018-12-02 02:55:21,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:55:21,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-02 02:55:21,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-02 02:55:21,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-02 02:55:21,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-12-02 02:55:21,313 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 51 [2018-12-02 02:55:21,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:21,313 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-12-02 02:55:21,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 02:55:21,313 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-12-02 02:55:21,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 02:55:21,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:21,315 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:21,315 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:21,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:21,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1278122046, now seen corresponding path program 1 times [2018-12-02 02:55:21,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:21,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:21,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:21,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:21,317 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:21,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:21,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:55:21,374 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:21,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:55:21,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:55:21,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:55:21,375 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 3 states. [2018-12-02 02:55:21,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:21,388 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2018-12-02 02:55:21,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:55:21,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 02:55:21,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:21,390 INFO L225 Difference]: With dead ends: 215 [2018-12-02 02:55:21,390 INFO L226 Difference]: Without dead ends: 128 [2018-12-02 02:55:21,390 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:55:21,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-12-02 02:55:21,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-12-02 02:55:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-02 02:55:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2018-12-02 02:55:21,398 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 52 [2018-12-02 02:55:21,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:21,399 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2018-12-02 02:55:21,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:55:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2018-12-02 02:55:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 02:55:21,400 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:21,400 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:21,400 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:21,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:21,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1253670099, now seen corresponding path program 1 times [2018-12-02 02:55:21,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:21,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:21,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:21,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:21,401 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:21,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:21,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:55:21,475 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:21,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:55:21,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:55:21,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:55:21,475 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 7 states. [2018-12-02 02:55:21,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:21,623 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2018-12-02 02:55:21,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:55:21,624 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 02:55:21,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:21,625 INFO L225 Difference]: With dead ends: 228 [2018-12-02 02:55:21,625 INFO L226 Difference]: Without dead ends: 128 [2018-12-02 02:55:21,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:55:21,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-12-02 02:55:21,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-12-02 02:55:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-02 02:55:21,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2018-12-02 02:55:21,638 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 57 [2018-12-02 02:55:21,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:21,638 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2018-12-02 02:55:21,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:55:21,638 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2018-12-02 02:55:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 02:55:21,640 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:21,640 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] [2018-12-02 02:55:21,640 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:21,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:21,641 INFO L82 PathProgramCache]: Analyzing trace with hash 388033785, now seen corresponding path program 1 times [2018-12-02 02:55:21,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:21,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:21,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:21,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:21,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:21,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:21,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 02:55:21,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:21,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 02:55:21,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 02:55:21,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 02:55:21,721 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 5 states. [2018-12-02 02:55:22,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:22,018 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2018-12-02 02:55:22,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:55:22,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 02:55:22,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:22,021 INFO L225 Difference]: With dead ends: 329 [2018-12-02 02:55:22,021 INFO L226 Difference]: Without dead ends: 229 [2018-12-02 02:55:22,022 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:55:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-12-02 02:55:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 210. [2018-12-02 02:55:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-12-02 02:55:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2018-12-02 02:55:22,043 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 70 [2018-12-02 02:55:22,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:22,044 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2018-12-02 02:55:22,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 02:55:22,044 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2018-12-02 02:55:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 02:55:22,046 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:22,046 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] [2018-12-02 02:55:22,046 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:22,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:22,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1195866969, now seen corresponding path program 1 times [2018-12-02 02:55:22,047 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:22,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:22,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:22,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:22,048 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:22,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:22,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:55:22,116 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:22,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:55:22,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:55:22,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:55:22,117 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 6 states. [2018-12-02 02:55:22,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:22,247 INFO L93 Difference]: Finished difference Result 556 states and 656 transitions. [2018-12-02 02:55:22,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:55:22,247 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-02 02:55:22,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:22,251 INFO L225 Difference]: With dead ends: 556 [2018-12-02 02:55:22,251 INFO L226 Difference]: Without dead ends: 374 [2018-12-02 02:55:22,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:55:22,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-12-02 02:55:22,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 368. [2018-12-02 02:55:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-12-02 02:55:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 420 transitions. [2018-12-02 02:55:22,283 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 420 transitions. Word has length 84 [2018-12-02 02:55:22,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:22,283 INFO L480 AbstractCegarLoop]: Abstraction has 368 states and 420 transitions. [2018-12-02 02:55:22,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:55:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 420 transitions. [2018-12-02 02:55:22,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 02:55:22,285 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:22,285 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:22,286 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:22,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:22,286 INFO L82 PathProgramCache]: Analyzing trace with hash -2011780491, now seen corresponding path program 1 times [2018-12-02 02:55:22,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:22,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:22,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:22,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:22,287 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:22,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:22,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:55:22,368 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:22,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:55:22,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:55:22,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:55:22,369 INFO L87 Difference]: Start difference. First operand 368 states and 420 transitions. Second operand 7 states. [2018-12-02 02:55:22,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:22,656 INFO L93 Difference]: Finished difference Result 739 states and 868 transitions. [2018-12-02 02:55:22,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 02:55:22,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-02 02:55:22,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:22,658 INFO L225 Difference]: With dead ends: 739 [2018-12-02 02:55:22,658 INFO L226 Difference]: Without dead ends: 399 [2018-12-02 02:55:22,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 02:55:22,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-12-02 02:55:22,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 367. [2018-12-02 02:55:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-02 02:55:22,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-12-02 02:55:22,681 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 88 [2018-12-02 02:55:22,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:22,682 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-12-02 02:55:22,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:55:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-12-02 02:55:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 02:55:22,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:22,684 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:22,684 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:22,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:22,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1201698845, now seen corresponding path program 1 times [2018-12-02 02:55:22,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:22,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:22,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:22,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:22,686 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:22,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:22,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:55:22,729 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:22,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:55:22,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:55:22,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:55:22,730 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 6 states. [2018-12-02 02:55:22,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:22,751 INFO L93 Difference]: Finished difference Result 716 states and 826 transitions. [2018-12-02 02:55:22,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:55:22,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-02 02:55:22,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:22,753 INFO L225 Difference]: With dead ends: 716 [2018-12-02 02:55:22,753 INFO L226 Difference]: Without dead ends: 377 [2018-12-02 02:55:22,754 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:55:22,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-12-02 02:55:22,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-12-02 02:55:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-12-02 02:55:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 427 transitions. [2018-12-02 02:55:22,765 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 427 transitions. Word has length 89 [2018-12-02 02:55:22,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:22,765 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 427 transitions. [2018-12-02 02:55:22,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:55:22,765 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 427 transitions. [2018-12-02 02:55:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 02:55:22,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:22,766 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:22,766 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:22,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:22,766 INFO L82 PathProgramCache]: Analyzing trace with hash -500098971, now seen corresponding path program 1 times [2018-12-02 02:55:22,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:22,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:22,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:22,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:22,767 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:22,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:22,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 02:55:22,809 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:22,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 02:55:22,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 02:55:22,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:55:22,810 INFO L87 Difference]: Start difference. First operand 377 states and 427 transitions. Second operand 8 states. [2018-12-02 02:55:22,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:22,832 INFO L93 Difference]: Finished difference Result 740 states and 860 transitions. [2018-12-02 02:55:22,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:55:22,832 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-12-02 02:55:22,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:22,833 INFO L225 Difference]: With dead ends: 740 [2018-12-02 02:55:22,833 INFO L226 Difference]: Without dead ends: 391 [2018-12-02 02:55:22,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:55:22,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-12-02 02:55:22,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 385. [2018-12-02 02:55:22,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-12-02 02:55:22,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 435 transitions. [2018-12-02 02:55:22,845 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 435 transitions. Word has length 89 [2018-12-02 02:55:22,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:22,845 INFO L480 AbstractCegarLoop]: Abstraction has 385 states and 435 transitions. [2018-12-02 02:55:22,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 02:55:22,845 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 435 transitions. [2018-12-02 02:55:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 02:55:22,846 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:22,846 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:22,846 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:22,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:22,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1225381926, now seen corresponding path program 1 times [2018-12-02 02:55:22,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:22,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:22,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:22,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:22,847 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:22,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:22,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 02:55:22,884 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:22,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 02:55:22,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 02:55:22,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:55:22,885 INFO L87 Difference]: Start difference. First operand 385 states and 435 transitions. Second operand 4 states. [2018-12-02 02:55:23,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:23,000 INFO L93 Difference]: Finished difference Result 1162 states and 1382 transitions. [2018-12-02 02:55:23,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 02:55:23,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-02 02:55:23,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:23,003 INFO L225 Difference]: With dead ends: 1162 [2018-12-02 02:55:23,003 INFO L226 Difference]: Without dead ends: 805 [2018-12-02 02:55:23,004 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:55:23,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2018-12-02 02:55:23,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 517. [2018-12-02 02:55:23,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2018-12-02 02:55:23,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 580 transitions. [2018-12-02 02:55:23,026 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 580 transitions. Word has length 89 [2018-12-02 02:55:23,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:23,026 INFO L480 AbstractCegarLoop]: Abstraction has 517 states and 580 transitions. [2018-12-02 02:55:23,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 02:55:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 580 transitions. [2018-12-02 02:55:23,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 02:55:23,027 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:23,028 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:23,028 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:23,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:23,028 INFO L82 PathProgramCache]: Analyzing trace with hash -40858900, now seen corresponding path program 1 times [2018-12-02 02:55:23,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:23,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:23,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:23,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:23,029 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:23,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:23,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:55:23,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:23,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:55:23,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:55:23,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:55:23,054 INFO L87 Difference]: Start difference. First operand 517 states and 580 transitions. Second operand 3 states. [2018-12-02 02:55:23,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:23,095 INFO L93 Difference]: Finished difference Result 796 states and 908 transitions. [2018-12-02 02:55:23,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:55:23,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-02 02:55:23,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:23,098 INFO L225 Difference]: With dead ends: 796 [2018-12-02 02:55:23,098 INFO L226 Difference]: Without dead ends: 793 [2018-12-02 02:55:23,098 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:55:23,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-12-02 02:55:23,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 662. [2018-12-02 02:55:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2018-12-02 02:55:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 753 transitions. [2018-12-02 02:55:23,121 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 753 transitions. Word has length 93 [2018-12-02 02:55:23,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:23,121 INFO L480 AbstractCegarLoop]: Abstraction has 662 states and 753 transitions. [2018-12-02 02:55:23,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:55:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 753 transitions. [2018-12-02 02:55:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 02:55:23,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:23,123 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:23,123 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:23,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:23,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1574363727, now seen corresponding path program 1 times [2018-12-02 02:55:23,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:23,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:23,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:23,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:23,124 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 02:55:23,181 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:55:23,181 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:55:23,182 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-02 02:55:23,184 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [37], [52], [55], [56], [60], [61], [63], [72], [76], [80], [83], [86], [88], [91], [94], [96], [102], [105], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [166], [167], [173], [177], [183], [217], [223], [226], [228], [231], [241], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [264], [265], [266], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311] [2018-12-02 02:55:23,214 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:55:23,214 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:55:24,517 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:55:24,518 INFO L272 AbstractInterpreter]: Visited 100 different actions 572 times. Merged at 14 different actions 65 times. Never widened. Performed 28216 root evaluator evaluations with a maximum evaluation depth of 3. Performed 28216 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-02 02:55:24,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:24,524 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:55:24,524 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:55:24,524 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:55:24,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:24,531 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:55:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:24,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:55:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:24,657 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:55:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 02:55:24,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 02:55:24,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-02 02:55:24,796 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:24,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:55:24,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:55:24,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:55:24,797 INFO L87 Difference]: Start difference. First operand 662 states and 753 transitions. Second operand 3 states. [2018-12-02 02:55:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:24,846 INFO L93 Difference]: Finished difference Result 1108 states and 1269 transitions. [2018-12-02 02:55:24,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:55:24,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-12-02 02:55:24,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:24,849 INFO L225 Difference]: With dead ends: 1108 [2018-12-02 02:55:24,849 INFO L226 Difference]: Without dead ends: 602 [2018-12-02 02:55:24,850 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:55:24,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2018-12-02 02:55:24,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2018-12-02 02:55:24,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-12-02 02:55:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 674 transitions. [2018-12-02 02:55:24,878 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 674 transitions. Word has length 152 [2018-12-02 02:55:24,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:24,878 INFO L480 AbstractCegarLoop]: Abstraction has 602 states and 674 transitions. [2018-12-02 02:55:24,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:55:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 674 transitions. [2018-12-02 02:55:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 02:55:24,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:24,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:24,879 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:24,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:24,880 INFO L82 PathProgramCache]: Analyzing trace with hash -446802025, now seen corresponding path program 1 times [2018-12-02 02:55:24,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:24,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:24,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:24,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:24,880 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 02:55:24,968 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:55:24,968 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:55:24,968 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-12-02 02:55:24,968 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [37], [40], [42], [48], [52], [55], [56], [60], [61], [62], [63], [72], [76], [80], [83], [86], [88], [91], [94], [96], [102], [105], [115], [116], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [166], [167], [170], [173], [177], [183], [212], [216], [217], [223], [226], [228], [231], [238], [241], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [265], [266], [268], [269], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311], [314], [315] [2018-12-02 02:55:24,970 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:55:24,970 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:55:26,375 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:55:26,375 INFO L272 AbstractInterpreter]: Visited 125 different actions 1017 times. Merged at 21 different actions 98 times. Never widened. Performed 42727 root evaluator evaluations with a maximum evaluation depth of 5. Performed 42727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 20 fixpoints after 6 different actions. Largest state had 135 variables. [2018-12-02 02:55:26,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:26,378 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:55:26,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:55:26,378 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:55:26,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:26,384 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:55:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:26,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:55:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:55:26,523 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:55:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 02:55:26,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 02:55:26,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-02 02:55:26,775 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:26,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:55:26,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:55:26,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-02 02:55:26,775 INFO L87 Difference]: Start difference. First operand 602 states and 674 transitions. Second operand 9 states. [2018-12-02 02:55:27,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:27,447 INFO L93 Difference]: Finished difference Result 1834 states and 2370 transitions. [2018-12-02 02:55:27,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 02:55:27,448 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-12-02 02:55:27,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:27,453 INFO L225 Difference]: With dead ends: 1834 [2018-12-02 02:55:27,453 INFO L226 Difference]: Without dead ends: 1388 [2018-12-02 02:55:27,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-02 02:55:27,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2018-12-02 02:55:27,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1190. [2018-12-02 02:55:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-12-02 02:55:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1411 transitions. [2018-12-02 02:55:27,504 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1411 transitions. Word has length 154 [2018-12-02 02:55:27,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:27,505 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1411 transitions. [2018-12-02 02:55:27,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:55:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1411 transitions. [2018-12-02 02:55:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 02:55:27,506 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:55:27,506 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:55:27,507 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:55:27,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:55:27,507 INFO L82 PathProgramCache]: Analyzing trace with hash -519188583, now seen corresponding path program 1 times [2018-12-02 02:55:27,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:55:27,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:27,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:55:27,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:55:27,508 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:55:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:55:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:55:27,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:55:27,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 02:55:27,577 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:55:27,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:55:27,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:55:27,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:55:27,578 INFO L87 Difference]: Start difference. First operand 1190 states and 1411 transitions. Second operand 9 states. [2018-12-02 02:55:27,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:55:27,630 INFO L93 Difference]: Finished difference Result 1673 states and 1976 transitions. [2018-12-02 02:55:27,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 02:55:27,630 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-12-02 02:55:27,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:55:27,631 INFO L225 Difference]: With dead ends: 1673 [2018-12-02 02:55:27,631 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:55:27,633 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:55:27,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:55:27,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:55:27,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:55:27,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:55:27,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2018-12-02 02:55:27,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:55:27,633 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:55:27,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:55:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:55:27,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:55:27,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:55:27,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:27,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:55:28,091 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-12-02 02:55:29,258 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-12-02 02:55:29,473 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 33 [2018-12-02 02:55:30,125 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-02 02:55:30,125 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-02 02:55:30,125 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-02 02:55:30,125 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-02 02:55:30,125 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-02 02:55:30,125 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 157 179) 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)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 02:55:30,125 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2018-12-02 02:55:30,125 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2018-12-02 02:55:30,125 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:55:30,125 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:55:30,126 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2018-12-02 02:55:30,126 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2018-12-02 02:55:30,126 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-02 02:55:30,126 INFO L444 ceAbstractionStarter]: At program point L164(line 164) 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)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 02:55:30,126 INFO L444 ceAbstractionStarter]: At program point L163(line 163) 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)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 02:55:30,126 INFO L444 ceAbstractionStarter]: At program point L163-1(line 163) 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)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 02:55:30,126 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2018-12-02 02:55:30,126 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2018-12-02 02:55:30,126 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2018-12-02 02:55:30,126 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2018-12-02 02:55:30,127 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2018-12-02 02:55:30,127 INFO L451 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: true [2018-12-02 02:55:30,127 INFO L448 ceAbstractionStarter]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2018-12-02 02:55:30,127 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2018-12-02 02:55:30,127 INFO L448 ceAbstractionStarter]: For program point L518-1(line 518) no Hoare annotation was computed. [2018-12-02 02:55:30,127 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2018-12-02 02:55:30,127 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-02 02:55:30,127 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-02 02:55:30,127 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 146 156) 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)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 02:55:30,127 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2018-12-02 02:55:30,127 INFO L444 ceAbstractionStarter]: At program point L151(line 151) 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)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 02:55:30,128 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2018-12-02 02:55:30,128 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (< |old(~pumpRunning~0)| 1) (not (= ~systemActive~0 1)) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 02:55:30,128 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2018-12-02 02:55:30,128 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2018-12-02 02:55:30,128 INFO L444 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4))) [2018-12-02 02:55:30,128 INFO L448 ceAbstractionStarter]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2018-12-02 02:55:30,128 INFO L444 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-12-02 02:55:30,128 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2018-12-02 02:55:30,128 INFO L444 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0))) [2018-12-02 02:55:30,128 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse3 .cse4) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse2 .cse3))) [2018-12-02 02:55:30,128 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2018-12-02 02:55:30,128 INFO L444 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-02 02:55:30,129 INFO L448 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2018-12-02 02:55:30,129 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 416) no Hoare annotation was computed. [2018-12-02 02:55:30,129 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 317) no Hoare annotation was computed. [2018-12-02 02:55:30,129 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2018-12-02 02:55:30,129 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2018-12-02 02:55:30,129 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2018-12-02 02:55:30,129 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2018-12-02 02:55:30,129 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2018-12-02 02:55:30,129 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 539 604) 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)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 02:55:30,129 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2018-12-02 02:55:30,129 INFO L444 ceAbstractionStarter]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:55:30,129 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2018-12-02 02:55:30,129 INFO L444 ceAbstractionStarter]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:55:30,129 INFO L448 ceAbstractionStarter]: For program point L550(lines 549 596) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 592) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L444 ceAbstractionStarter]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:55:30,130 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-12-02 02:55:30,130 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (< ~waterLevel~0 1)))) [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 215) no Hoare annotation was computed. [2018-12-02 02:55:30,130 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~pumpRunning~0 1)) (.cse4 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1)) .cse6) (or .cse3 .cse4 .cse1 .cse5 .cse6))) [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (< ~pumpRunning~0 1) (< ~waterLevel~0 2) .cse1 .cse0 .cse2))) [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2018-12-02 02:55:30,131 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse1))) [2018-12-02 02:55:30,131 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2018-12-02 02:55:30,132 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2018-12-02 02:55:30,132 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2018-12-02 02:55:30,132 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2018-12-02 02:55:30,132 INFO L451 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: true [2018-12-02 02:55:30,132 INFO L448 ceAbstractionStarter]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2018-12-02 02:55:30,132 INFO L448 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2018-12-02 02:55:30,132 INFO L448 ceAbstractionStarter]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2018-12-02 02:55:30,132 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (< ~waterLevel~0 1) .cse2 .cse3) (or .cse2 (< ~pumpRunning~0 1) (< ~waterLevel~0 2) (or .cse0 .cse1) .cse3))) [2018-12-02 02:55:30,132 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2018-12-02 02:55:30,132 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2018-12-02 02:55:30,132 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2018-12-02 02:55:30,132 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2018-12-02 02:55:30,132 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or .cse4 (and (= 1 ~waterLevel~0) .cse5 .cse3) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse6) (or (or .cse4 .cse1) .cse2 (and .cse3 .cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse6))) [2018-12-02 02:55:30,132 INFO L444 ceAbstractionStarter]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (= 0 ~methAndRunningLastTime~0))) (and (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (= 1 ~waterLevel~0) .cse2) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or .cse1 .cse0) .cse3 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 .cse4))))) [2018-12-02 02:55:30,132 INFO L444 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1) .cse3) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2018-12-02 02:55:30,132 INFO L448 ceAbstractionStarter]: For program point L341(lines 340 359) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or .cse0 .cse3) .cse5 (and .cse2 .cse1 .cse6) .cse4) (or .cse7 .cse3 .cse5 (and .cse2 .cse6)) (or .cse7 .cse1 .cse3 .cse5 .cse4))) [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L451 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2018-12-02 02:55:30,133 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L451 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2018-12-02 02:55:30,133 INFO L451 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L451 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (< ~pumpRunning~0 1) (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-02 02:55:30,133 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:55:30,133 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2018-12-02 02:55:30,134 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~pumpRunning~0 1) .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse4) (or (or .cse3 .cse0) .cse1 .cse2 .cse4))) [2018-12-02 02:55:30,134 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2018-12-02 02:55:30,134 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-02 02:55:30,134 INFO L444 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-12-02 02:55:30,134 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2018-12-02 02:55:30,134 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse0 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse0))) [2018-12-02 02:55:30,134 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2018-12-02 02:55:30,134 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1) .cse2) (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2 .cse3) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-02 02:55:30,134 INFO L448 ceAbstractionStarter]: For program point L375-1(line 375) no Hoare annotation was computed. [2018-12-02 02:55:30,134 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 390) no Hoare annotation was computed. [2018-12-02 02:55:30,134 INFO L444 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-12-02 02:55:30,134 INFO L448 ceAbstractionStarter]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2018-12-02 02:55:30,134 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2018-12-02 02:55:30,134 INFO L448 ceAbstractionStarter]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2018-12-02 02:55:30,134 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or (< ~pumpRunning~0 1) .cse1 .cse2 .cse3) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-12-02 02:55:30,134 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2018-12-02 02:55:30,134 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2018-12-02 02:55:30,135 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-12-02 02:55:30,135 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2018-12-02 02:55:30,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:55:30 BoogieIcfgContainer [2018-12-02 02:55:30,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:55:30,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:55:30,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:55:30,145 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:55:30,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:55:21" (3/4) ... [2018-12-02 02:55:30,149 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:55:30,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 02:55:30,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 02:55:30,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:55:30,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 02:55:30,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 02:55:30,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 02:55:30,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 02:55:30,154 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 02:55:30,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 02:55:30,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 02:55:30,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 02:55:30,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 02:55:30,161 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-02 02:55:30,161 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 02:55:30,161 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 02:55:30,162 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 02:55:30,162 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 02:55:30,162 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:55:30,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 02:55:30,180 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 02:55:30,209 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7126b646-61df-46e9-92da-e9f486639aea/bin-2019/utaipan/witness.graphml [2018-12-02 02:55:30,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:55:30,209 INFO L168 Benchmark]: Toolchain (without parser) took 9877.23 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 659.0 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -248.9 MB). Peak memory consumption was 410.2 MB. Max. memory is 11.5 GB. [2018-12-02 02:55:30,210 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:55:30,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -101.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:55:30,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:55:30,210 INFO L168 Benchmark]: Boogie Preprocessor took 21.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:55:30,210 INFO L168 Benchmark]: RCFGBuilder took 362.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:55:30,210 INFO L168 Benchmark]: TraceAbstraction took 9122.57 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 584.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -215.8 MB). Peak memory consumption was 894.2 MB. Max. memory is 11.5 GB. [2018-12-02 02:55:30,211 INFO L168 Benchmark]: Witness Printer took 63.89 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:55:30,211 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -101.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 362.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9122.57 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 584.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -215.8 MB). Peak memory consumption was 894.2 MB. Max. memory is 11.5 GB. * Witness Printer took 63.89 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 549]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((1 <= pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 150 locations, 1 error locations. SAFE Result, 9.0s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2129 SDtfs, 1480 SDslu, 4375 SDs, 0 SdLazy, 2068 SolverSat, 582 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 751 GetRequests, 658 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1190occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 680 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1793 PreInvPairs, 1878 NumberOfFragments, 2045 HoareAnnotationTreeSize, 1793 FomulaSimplifications, 13292 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 11832 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1528 NumberOfCodeBlocks, 1528 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1817 ConstructedInterpolants, 0 QuantifiedInterpolants, 348537 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1807 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 289/309 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...