./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/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 57406ed1e8515a3807c9750d676c6ccf8b3f94ad ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:33:16,851 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:33:16,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:33:16,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:33:16,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:33:16,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:33:16,860 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:33:16,861 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:33:16,862 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:33:16,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:33:16,863 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:33:16,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:33:16,864 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:33:16,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:33:16,865 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:33:16,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:33:16,866 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:33:16,867 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:33:16,868 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:33:16,869 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:33:16,870 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:33:16,871 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:33:16,872 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:33:16,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:33:16,873 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:33:16,873 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:33:16,874 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:33:16,874 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:33:16,875 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:33:16,876 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:33:16,876 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:33:16,876 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:33:16,876 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:33:16,876 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:33:16,877 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:33:16,878 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:33:16,878 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:33:16,888 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:33:16,888 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:33:16,889 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:33:16,889 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:33:16,889 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:33:16,890 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:33:16,890 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:33:16,890 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:33:16,890 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:33:16,890 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:33:16,890 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:33:16,890 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:33:16,890 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:33:16,891 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:33:16,891 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:33:16,891 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:33:16,891 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:33:16,891 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:33:16,892 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:33:16,892 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:33:16,892 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:33:16,892 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:33:16,892 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:33:16,892 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:33:16,892 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:33:16,892 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:33:16,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:33:16,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:33:16,893 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:33:16,893 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:33:16,893 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:33:16,893 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:33:16,893 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:33:16,894 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:33:16,894 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:33:16,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:33:16,894 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:33:16,894 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_3d9824df-e83e-41da-a7c1-8c40e52c36c3/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 -> 57406ed1e8515a3807c9750d676c6ccf8b3f94ad [2018-11-22 23:33:16,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:33:16,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:33:16,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:33:16,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:33:16,932 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:33:16,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-22 23:33:16,979 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/data/a9634277b/a7915c4691f14030977a770c0520208b/FLAG09d0987c6 [2018-11-22 23:33:17,317 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:33:17,317 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-22 23:33:17,327 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/data/a9634277b/a7915c4691f14030977a770c0520208b/FLAG09d0987c6 [2018-11-22 23:33:17,339 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/data/a9634277b/a7915c4691f14030977a770c0520208b [2018-11-22 23:33:17,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:33:17,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:33:17,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:33:17,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:33:17,347 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:33:17,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17, skipping insertion in model container [2018-11-22 23:33:17,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:33:17,393 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:33:17,613 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:33:17,623 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:33:17,741 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:33:17,765 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:33:17,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17 WrapperNode [2018-11-22 23:33:17,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:33:17,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:33:17,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:33:17,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:33:17,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:33:17,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:33:17,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:33:17,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:33:17,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (1/1) ... [2018-11-22 23:33:17,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:33:17,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:33:17,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:33:17,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:33:17,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:33:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 23:33:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 23:33:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:33:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:33:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 23:33:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 23:33:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:33:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 23:33:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 23:33:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 23:33:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 23:33:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 23:33:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 23:33:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 23:33:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 23:33:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 23:33:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 23:33:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-22 23:33:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-22 23:33:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 23:33:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 23:33:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-22 23:33:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-22 23:33:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-22 23:33:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-22 23:33:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 23:33:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 23:33:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 23:33:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 23:33:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 23:33:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 23:33:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 23:33:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 23:33:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 23:33:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 23:33:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 23:33:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 23:33:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 23:33:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 23:33:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 23:33:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 23:33:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 23:33:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 23:33:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 23:33:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 23:33:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 23:33:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 23:33:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 23:33:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 23:33:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 23:33:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 23:33:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 23:33:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 23:33:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:33:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:33:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:33:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 23:33:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 23:33:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 23:33:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 23:33:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:33:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:33:18,287 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:33:18,287 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 23:33:18,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:33:18 BoogieIcfgContainer [2018-11-22 23:33:18,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:33:18,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:33:18,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:33:18,290 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:33:18,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:33:17" (1/3) ... [2018-11-22 23:33:18,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f25b702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:33:18, skipping insertion in model container [2018-11-22 23:33:18,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:33:17" (2/3) ... [2018-11-22 23:33:18,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f25b702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:33:18, skipping insertion in model container [2018-11-22 23:33:18,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:33:18" (3/3) ... [2018-11-22 23:33:18,293 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-22 23:33:18,301 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:33:18,305 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:33:18,315 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:33:18,341 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:33:18,341 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:33:18,342 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:33:18,342 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:33:18,342 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:33:18,342 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:33:18,342 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:33:18,342 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:33:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-11-22 23:33:18,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 23:33:18,364 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:18,365 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:18,367 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:18,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:18,372 INFO L82 PathProgramCache]: Analyzing trace with hash 695158578, now seen corresponding path program 1 times [2018-11-22 23:33:18,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:18,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:18,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:18,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:18,407 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:33:18,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:33:18,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:33:18,564 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:18,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:33:18,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:33:18,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:33:18,581 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-11-22 23:33:18,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:18,611 INFO L93 Difference]: Finished difference Result 286 states and 353 transitions. [2018-11-22 23:33:18,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:33:18,612 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-22 23:33:18,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:18,619 INFO L225 Difference]: With dead ends: 286 [2018-11-22 23:33:18,620 INFO L226 Difference]: Without dead ends: 145 [2018-11-22 23:33:18,622 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:33:18,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-22 23:33:18,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-22 23:33:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-22 23:33:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-11-22 23:33:18,657 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 51 [2018-11-22 23:33:18,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:18,658 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-11-22 23:33:18,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:33:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-11-22 23:33:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 23:33:18,662 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:18,662 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:18,662 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:18,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:18,663 INFO L82 PathProgramCache]: Analyzing trace with hash 382336584, now seen corresponding path program 1 times [2018-11-22 23:33:18,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:18,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:18,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:18,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:18,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:33:18,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:33:18,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:33:18,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:18,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:33:18,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:33:18,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:33:18,752 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 3 states. [2018-11-22 23:33:18,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:18,772 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-11-22 23:33:18,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:33:18,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-22 23:33:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:18,774 INFO L225 Difference]: With dead ends: 235 [2018-11-22 23:33:18,775 INFO L226 Difference]: Without dead ends: 136 [2018-11-22 23:33:18,776 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:33:18,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-22 23:33:18,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-22 23:33:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-22 23:33:18,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2018-11-22 23:33:18,786 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 52 [2018-11-22 23:33:18,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:18,786 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2018-11-22 23:33:18,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:33:18,787 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2018-11-22 23:33:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 23:33:18,788 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:18,788 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:18,788 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:18,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:18,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1306371855, now seen corresponding path program 1 times [2018-11-22 23:33:18,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:18,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:18,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:18,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:18,790 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:18,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:33:18,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:33:18,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:33:18,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:18,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:33:18,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:33:18,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:33:18,936 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 7 states. [2018-11-22 23:33:19,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:19,158 INFO L93 Difference]: Finished difference Result 244 states and 289 transitions. [2018-11-22 23:33:19,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:33:19,159 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-22 23:33:19,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:19,160 INFO L225 Difference]: With dead ends: 244 [2018-11-22 23:33:19,160 INFO L226 Difference]: Without dead ends: 136 [2018-11-22 23:33:19,160 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:33:19,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-22 23:33:19,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-22 23:33:19,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-22 23:33:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2018-11-22 23:33:19,172 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 56 [2018-11-22 23:33:19,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:19,172 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2018-11-22 23:33:19,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:33:19,173 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2018-11-22 23:33:19,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-22 23:33:19,174 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:19,174 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:19,174 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:19,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:19,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1404980815, now seen corresponding path program 1 times [2018-11-22 23:33:19,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:19,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:19,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:19,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:19,176 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:33:19,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:33:19,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 23:33:19,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:19,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 23:33:19,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 23:33:19,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 23:33:19,279 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 5 states. [2018-11-22 23:33:19,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:19,584 INFO L93 Difference]: Finished difference Result 342 states and 413 transitions. [2018-11-22 23:33:19,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:33:19,585 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-22 23:33:19,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:19,587 INFO L225 Difference]: With dead ends: 342 [2018-11-22 23:33:19,587 INFO L226 Difference]: Without dead ends: 234 [2018-11-22 23:33:19,588 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 [2018-11-22 23:33:19,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-11-22 23:33:19,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 216. [2018-11-22 23:33:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-22 23:33:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 248 transitions. [2018-11-22 23:33:19,610 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 248 transitions. Word has length 69 [2018-11-22 23:33:19,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:19,611 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 248 transitions. [2018-11-22 23:33:19,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 23:33:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 248 transitions. [2018-11-22 23:33:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-22 23:33:19,612 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:19,613 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:19,613 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:19,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:19,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1644843742, now seen corresponding path program 1 times [2018-11-22 23:33:19,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:19,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:19,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:19,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:19,615 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:19,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:33:19,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:33:19,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:33:19,696 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:19,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:33:19,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:33:19,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:33:19,697 INFO L87 Difference]: Start difference. First operand 216 states and 248 transitions. Second operand 4 states. [2018-11-22 23:33:19,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:19,879 INFO L93 Difference]: Finished difference Result 719 states and 881 transitions. [2018-11-22 23:33:19,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:33:19,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2018-11-22 23:33:19,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:19,883 INFO L225 Difference]: With dead ends: 719 [2018-11-22 23:33:19,883 INFO L226 Difference]: Without dead ends: 531 [2018-11-22 23:33:19,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:33:19,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-22 23:33:19,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 519. [2018-11-22 23:33:19,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-11-22 23:33:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 623 transitions. [2018-11-22 23:33:19,923 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 623 transitions. Word has length 83 [2018-11-22 23:33:19,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:19,923 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 623 transitions. [2018-11-22 23:33:19,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:33:19,923 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 623 transitions. [2018-11-22 23:33:19,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-22 23:33:19,925 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:19,925 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:19,925 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:19,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:19,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1624631555, now seen corresponding path program 1 times [2018-11-22 23:33:19,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:19,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:19,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:19,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:19,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:33:20,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:33:20,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:33:20,014 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:20,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:33:20,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:33:20,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:33:20,014 INFO L87 Difference]: Start difference. First operand 519 states and 623 transitions. Second operand 6 states. [2018-11-22 23:33:20,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:20,134 INFO L93 Difference]: Finished difference Result 1458 states and 1805 transitions. [2018-11-22 23:33:20,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:33:20,135 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-22 23:33:20,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:20,138 INFO L225 Difference]: With dead ends: 1458 [2018-11-22 23:33:20,139 INFO L226 Difference]: Without dead ends: 967 [2018-11-22 23:33:20,140 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:33:20,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-11-22 23:33:20,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 951. [2018-11-22 23:33:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2018-11-22 23:33:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1136 transitions. [2018-11-22 23:33:20,185 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1136 transitions. Word has length 83 [2018-11-22 23:33:20,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:20,185 INFO L480 AbstractCegarLoop]: Abstraction has 951 states and 1136 transitions. [2018-11-22 23:33:20,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:33:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1136 transitions. [2018-11-22 23:33:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-22 23:33:20,187 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:20,187 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:20,187 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:20,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:20,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1746225127, now seen corresponding path program 1 times [2018-11-22 23:33:20,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:20,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:20,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:20,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:20,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:33:20,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:33:20,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:33:20,265 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:20,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:33:20,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:33:20,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:33:20,266 INFO L87 Difference]: Start difference. First operand 951 states and 1136 transitions. Second operand 7 states. [2018-11-22 23:33:20,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:20,602 INFO L93 Difference]: Finished difference Result 1957 states and 2403 transitions. [2018-11-22 23:33:20,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 23:33:20,603 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-22 23:33:20,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:20,606 INFO L225 Difference]: With dead ends: 1957 [2018-11-22 23:33:20,606 INFO L226 Difference]: Without dead ends: 1034 [2018-11-22 23:33:20,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-22 23:33:20,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2018-11-22 23:33:20,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 948. [2018-11-22 23:33:20,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-11-22 23:33:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1127 transitions. [2018-11-22 23:33:20,647 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1127 transitions. Word has length 87 [2018-11-22 23:33:20,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:20,648 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1127 transitions. [2018-11-22 23:33:20,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:33:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1127 transitions. [2018-11-22 23:33:20,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:33:20,650 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:20,650 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:20,650 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:20,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:20,651 INFO L82 PathProgramCache]: Analyzing trace with hash 94127644, now seen corresponding path program 1 times [2018-11-22 23:33:20,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:20,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:20,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:20,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:20,652 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:33:20,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:33:20,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:33:20,710 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:20,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:33:20,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:33:20,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:33:20,711 INFO L87 Difference]: Start difference. First operand 948 states and 1127 transitions. Second operand 6 states. [2018-11-22 23:33:20,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:20,755 INFO L93 Difference]: Finished difference Result 1910 states and 2342 transitions. [2018-11-22 23:33:20,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:33:20,756 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-22 23:33:20,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:20,759 INFO L225 Difference]: With dead ends: 1910 [2018-11-22 23:33:20,759 INFO L226 Difference]: Without dead ends: 990 [2018-11-22 23:33:20,761 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:33:20,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2018-11-22 23:33:20,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 978. [2018-11-22 23:33:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-11-22 23:33:20,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1159 transitions. [2018-11-22 23:33:20,795 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1159 transitions. Word has length 103 [2018-11-22 23:33:20,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:20,795 INFO L480 AbstractCegarLoop]: Abstraction has 978 states and 1159 transitions. [2018-11-22 23:33:20,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:33:20,795 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1159 transitions. [2018-11-22 23:33:20,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 23:33:20,797 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:20,798 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:20,798 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:20,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:20,798 INFO L82 PathProgramCache]: Analyzing trace with hash 2022400346, now seen corresponding path program 1 times [2018-11-22 23:33:20,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:20,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:20,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:20,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:20,799 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:33:20,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:33:20,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 23:33:20,875 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:20,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 23:33:20,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 23:33:20,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:33:20,876 INFO L87 Difference]: Start difference. First operand 978 states and 1159 transitions. Second operand 8 states. [2018-11-22 23:33:20,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:20,919 INFO L93 Difference]: Finished difference Result 1734 states and 2104 transitions. [2018-11-22 23:33:20,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:33:20,920 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-22 23:33:20,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:20,923 INFO L225 Difference]: With dead ends: 1734 [2018-11-22 23:33:20,923 INFO L226 Difference]: Without dead ends: 784 [2018-11-22 23:33:20,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:33:20,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2018-11-22 23:33:20,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2018-11-22 23:33:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-11-22 23:33:20,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 917 transitions. [2018-11-22 23:33:20,956 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 917 transitions. Word has length 103 [2018-11-22 23:33:20,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:20,957 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 917 transitions. [2018-11-22 23:33:20,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 23:33:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 917 transitions. [2018-11-22 23:33:20,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-22 23:33:20,958 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:20,959 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:20,959 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:20,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:20,959 INFO L82 PathProgramCache]: Analyzing trace with hash 785672447, now seen corresponding path program 1 times [2018-11-22 23:33:20,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:20,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:20,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:20,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:20,960 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 23:33:21,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:21,075 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:33:21,076 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-11-22 23:33:21,077 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [35], [37], [38], [41], [56], [59], [60], [64], [65], [67], [76], [80], [84], [87], [92], [95], [100], [103], [118], [119], [122], [124], [127], [129], [132], [135], [147], [148], [149], [150], [151], [153], [158], [161], [162], [164], [169], [171], [172], [177], [179], [185], [189], [222], [223], [231], [235], [238], [240], [243], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [276], [277], [278], [280], [281], [288], [289], [290], [291], [292], [293], [294], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [312], [313], [314], [320], [321], [322], [324], [325], [326], [327] [2018-11-22 23:33:21,105 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:33:21,105 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:33:21,463 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:33:21,464 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Performed 2759 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2759 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-11-22 23:33:21,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:21,478 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:33:21,698 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 96.68% of their original sizes. [2018-11-22 23:33:21,698 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:33:21,817 INFO L415 sIntCurrentIteration]: We unified 106 AI predicates to 106 [2018-11-22 23:33:21,817 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:33:21,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:33:21,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-11-22 23:33:21,817 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:21,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-22 23:33:21,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-22 23:33:21,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:33:21,818 INFO L87 Difference]: Start difference. First operand 784 states and 917 transitions. Second operand 19 states. [2018-11-22 23:33:25,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:25,305 INFO L93 Difference]: Finished difference Result 1970 states and 2337 transitions. [2018-11-22 23:33:25,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-22 23:33:25,306 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-22 23:33:25,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:25,309 INFO L225 Difference]: With dead ends: 1970 [2018-11-22 23:33:25,309 INFO L226 Difference]: Without dead ends: 1214 [2018-11-22 23:33:25,311 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 116 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-11-22 23:33:25,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2018-11-22 23:33:25,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1208. [2018-11-22 23:33:25,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2018-11-22 23:33:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1395 transitions. [2018-11-22 23:33:25,351 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1395 transitions. Word has length 107 [2018-11-22 23:33:25,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:25,351 INFO L480 AbstractCegarLoop]: Abstraction has 1208 states and 1395 transitions. [2018-11-22 23:33:25,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-22 23:33:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1395 transitions. [2018-11-22 23:33:25,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-22 23:33:25,354 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:25,354 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:25,355 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:25,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:25,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1918824001, now seen corresponding path program 1 times [2018-11-22 23:33:25,355 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:25,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:25,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:25,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:25,356 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 23:33:25,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:25,429 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:33:25,430 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-11-22 23:33:25,430 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [92], [95], [98], [100], [103], [118], [119], [120], [121], [122], [124], [127], [129], [132], [135], [144], [146], [147], [148], [149], [150], [151], [153], [158], [161], [162], [164], [169], [171], [172], [177], [179], [182], [185], [189], [195], [222], [223], [226], [230], [231], [235], [238], [240], [243], [250], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [320], [321], [322], [324], [325], [326], [327], [330], [331] [2018-11-22 23:33:25,434 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:33:25,434 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:33:25,910 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:33:25,910 INFO L272 AbstractInterpreter]: Visited 112 different actions 194 times. Merged at 8 different actions 13 times. Never widened. Performed 10466 root evaluator evaluations with a maximum evaluation depth of 3. Performed 10466 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 134 variables. [2018-11-22 23:33:25,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:25,922 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:33:26,211 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 96.68% of their original sizes. [2018-11-22 23:33:26,212 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:33:26,487 INFO L415 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-11-22 23:33:26,487 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:33:26,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:33:26,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [5] total 34 [2018-11-22 23:33:26,487 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:26,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-11-22 23:33:26,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-11-22 23:33:26,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=812, Unknown=0, NotChecked=0, Total=930 [2018-11-22 23:33:26,488 INFO L87 Difference]: Start difference. First operand 1208 states and 1395 transitions. Second operand 31 states. [2018-11-22 23:33:34,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:34,025 INFO L93 Difference]: Finished difference Result 3083 states and 3731 transitions. [2018-11-22 23:33:34,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-22 23:33:34,025 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 164 [2018-11-22 23:33:34,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:34,031 INFO L225 Difference]: With dead ends: 3083 [2018-11-22 23:33:34,032 INFO L226 Difference]: Without dead ends: 2289 [2018-11-22 23:33:34,034 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=331, Invalid=2639, Unknown=0, NotChecked=0, Total=2970 [2018-11-22 23:33:34,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2018-11-22 23:33:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2121. [2018-11-22 23:33:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2121 states. [2018-11-22 23:33:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2490 transitions. [2018-11-22 23:33:34,104 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2490 transitions. Word has length 164 [2018-11-22 23:33:34,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:34,105 INFO L480 AbstractCegarLoop]: Abstraction has 2121 states and 2490 transitions. [2018-11-22 23:33:34,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-11-22 23:33:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2490 transitions. [2018-11-22 23:33:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-22 23:33:34,110 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:34,111 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:33:34,111 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:34,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:34,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1121242899, now seen corresponding path program 1 times [2018-11-22 23:33:34,111 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:34,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:34,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:34,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:34,112 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:34,223 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 47 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-22 23:33:34,223 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:34,223 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:33:34,223 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-11-22 23:33:34,224 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [118], [119], [120], [121], [122], [124], [127], [129], [132], [135], [138], [144], [146], [147], [148], [149], [150], [151], [153], [158], [161], [162], [164], [169], [171], [172], [177], [179], [182], [185], [189], [195], [222], [223], [226], [230], [231], [235], [238], [240], [243], [250], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [320], [321], [322], [324], [325], [326], [327], [330], [331] [2018-11-22 23:33:34,226 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:33:34,226 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:33:35,770 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:33:35,770 INFO L272 AbstractInterpreter]: Visited 138 different actions 1353 times. Merged at 21 different actions 133 times. Widened at 1 different actions 1 times. Performed 42441 root evaluator evaluations with a maximum evaluation depth of 5. Performed 42441 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 36 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-22 23:33:35,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:35,775 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:33:35,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:35,775 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:33:35,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:35,782 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:33:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:35,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:33:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 23:33:36,317 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:33:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-22 23:33:36,960 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:33:36,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 22 [2018-11-22 23:33:36,960 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:33:36,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-22 23:33:36,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-22 23:33:36,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-11-22 23:33:36,962 INFO L87 Difference]: Start difference. First operand 2121 states and 2490 transitions. Second operand 16 states. [2018-11-22 23:33:38,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:38,376 INFO L93 Difference]: Finished difference Result 6094 states and 8402 transitions. [2018-11-22 23:33:38,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-22 23:33:38,376 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 220 [2018-11-22 23:33:38,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:38,390 INFO L225 Difference]: With dead ends: 6094 [2018-11-22 23:33:38,390 INFO L226 Difference]: Without dead ends: 4447 [2018-11-22 23:33:38,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 435 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=327, Invalid=1155, Unknown=0, NotChecked=0, Total=1482 [2018-11-22 23:33:38,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4447 states. [2018-11-22 23:33:38,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4447 to 3620. [2018-11-22 23:33:38,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3620 states. [2018-11-22 23:33:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3620 states and 4372 transitions. [2018-11-22 23:33:38,537 INFO L78 Accepts]: Start accepts. Automaton has 3620 states and 4372 transitions. Word has length 220 [2018-11-22 23:33:38,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:38,537 INFO L480 AbstractCegarLoop]: Abstraction has 3620 states and 4372 transitions. [2018-11-22 23:33:38,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-22 23:33:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 4372 transitions. [2018-11-22 23:33:38,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-22 23:33:38,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:38,543 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:33:38,543 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:38,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:38,544 INFO L82 PathProgramCache]: Analyzing trace with hash -2004751889, now seen corresponding path program 1 times [2018-11-22 23:33:38,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:38,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:38,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:38,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:38,545 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-22 23:33:38,636 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:38,636 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:33:38,636 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-11-22 23:33:38,637 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [27], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [118], [119], [120], [121], [122], [124], [127], [129], [132], [135], [138], [144], [146], [147], [148], [149], [150], [151], [153], [158], [161], [162], [164], [169], [171], [172], [177], [179], [182], [185], [189], [195], [222], [223], [226], [230], [231], [235], [238], [240], [243], [250], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [320], [321], [322], [324], [325], [326], [327], [330], [331] [2018-11-22 23:33:38,641 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:33:38,641 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:33:40,379 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:33:40,379 INFO L272 AbstractInterpreter]: Visited 139 different actions 1297 times. Merged at 24 different actions 145 times. Widened at 1 different actions 2 times. Performed 43968 root evaluator evaluations with a maximum evaluation depth of 5. Performed 43968 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 39 fixpoints after 7 different actions. Largest state had 134 variables. [2018-11-22 23:33:40,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:40,380 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:33:40,380 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:40,381 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:33:40,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:40,386 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:33:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:40,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:33:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-22 23:33:40,519 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:33:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-22 23:33:40,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:33:40,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-22 23:33:40,692 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:40,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:33:40,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:33:40,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-22 23:33:40,693 INFO L87 Difference]: Start difference. First operand 3620 states and 4372 transitions. Second operand 6 states. [2018-11-22 23:33:40,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:40,758 INFO L93 Difference]: Finished difference Result 4701 states and 5628 transitions. [2018-11-22 23:33:40,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:33:40,759 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 220 [2018-11-22 23:33:40,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:40,765 INFO L225 Difference]: With dead ends: 4701 [2018-11-22 23:33:40,765 INFO L226 Difference]: Without dead ends: 1619 [2018-11-22 23:33:40,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 435 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-22 23:33:40,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2018-11-22 23:33:40,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1498. [2018-11-22 23:33:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1498 states. [2018-11-22 23:33:40,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1498 states and 1718 transitions. [2018-11-22 23:33:40,847 INFO L78 Accepts]: Start accepts. Automaton has 1498 states and 1718 transitions. Word has length 220 [2018-11-22 23:33:40,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:40,847 INFO L480 AbstractCegarLoop]: Abstraction has 1498 states and 1718 transitions. [2018-11-22 23:33:40,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:33:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1718 transitions. [2018-11-22 23:33:40,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-22 23:33:40,852 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:40,853 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 23:33:40,853 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:40,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:40,853 INFO L82 PathProgramCache]: Analyzing trace with hash 156884292, now seen corresponding path program 1 times [2018-11-22 23:33:40,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:40,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:40,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:40,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:40,854 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 57 proven. 24 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-11-22 23:33:40,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:40,966 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:33:40,966 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 276 with the following transitions: [2018-11-22 23:33:40,966 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [63], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [118], [119], [120], [121], [122], [124], [127], [129], [132], [135], [138], [144], [146], [147], [148], [149], [150], [151], [153], [158], [161], [162], [164], [167], [169], [171], [172], [175], [177], [179], [182], [185], [189], [195], [222], [223], [226], [230], [231], [235], [238], [240], [243], [246], [250], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [320], [321], [322], [324], [325], [326], [327], [328], [329], [330], [331] [2018-11-22 23:33:40,968 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:33:40,968 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:33:44,782 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:33:44,782 INFO L272 AbstractInterpreter]: Visited 144 different actions 3033 times. Merged at 39 different actions 747 times. Widened at 1 different actions 2 times. Performed 99383 root evaluator evaluations with a maximum evaluation depth of 5. Performed 99383 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 140 fixpoints after 13 different actions. Largest state had 134 variables. [2018-11-22 23:33:44,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:44,790 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:33:44,790 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:44,790 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:33:44,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:44,797 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:33:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:44,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:33:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-11-22 23:33:44,945 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:33:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 57 proven. 24 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-11-22 23:33:45,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:33:45,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [11, 7] total 19 [2018-11-22 23:33:45,277 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:45,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:33:45,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:33:45,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:33:45,278 INFO L87 Difference]: Start difference. First operand 1498 states and 1718 transitions. Second operand 6 states. [2018-11-22 23:33:45,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:45,423 INFO L93 Difference]: Finished difference Result 2889 states and 3355 transitions. [2018-11-22 23:33:45,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:33:45,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 275 [2018-11-22 23:33:45,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:45,429 INFO L225 Difference]: With dead ends: 2889 [2018-11-22 23:33:45,429 INFO L226 Difference]: Without dead ends: 1478 [2018-11-22 23:33:45,432 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 539 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:33:45,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2018-11-22 23:33:45,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1456. [2018-11-22 23:33:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1456 states. [2018-11-22 23:33:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1641 transitions. [2018-11-22 23:33:45,507 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1641 transitions. Word has length 275 [2018-11-22 23:33:45,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:45,507 INFO L480 AbstractCegarLoop]: Abstraction has 1456 states and 1641 transitions. [2018-11-22 23:33:45,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:33:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1641 transitions. [2018-11-22 23:33:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-22 23:33:45,513 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:45,513 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 23:33:45,514 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:45,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:45,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1978600886, now seen corresponding path program 1 times [2018-11-22 23:33:45,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:45,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:45,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:45,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:45,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:45,605 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 117 proven. 24 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-11-22 23:33:45,606 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:45,606 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:33:45,606 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-11-22 23:33:45,606 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [63], [64], [65], [66], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [118], [119], [120], [121], [122], [124], [127], [129], [132], [135], [138], [141], [144], [146], [147], [148], [149], [150], [151], [153], [158], [161], [162], [164], [167], [169], [171], [172], [175], [177], [179], [182], [185], [189], [195], [222], [223], [226], [230], [231], [235], [238], [240], [243], [246], [250], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [320], [321], [322], [324], [325], [326], [327], [328], [329], [330], [331] [2018-11-22 23:33:45,608 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:33:45,608 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:33:48,721 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:33:48,721 INFO L272 AbstractInterpreter]: Visited 145 different actions 2600 times. Merged at 40 different actions 692 times. Widened at 1 different actions 2 times. Performed 80140 root evaluator evaluations with a maximum evaluation depth of 5. Performed 80140 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 143 fixpoints after 13 different actions. Largest state had 134 variables. [2018-11-22 23:33:48,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:48,727 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:33:48,727 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:48,727 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:33:48,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:48,734 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:33:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:48,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:33:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-22 23:33:48,943 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:33:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 89 proven. 35 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-22 23:33:49,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:33:49,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 14 [2018-11-22 23:33:49,305 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:49,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 23:33:49,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 23:33:49,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-11-22 23:33:49,306 INFO L87 Difference]: Start difference. First operand 1456 states and 1641 transitions. Second operand 8 states. [2018-11-22 23:33:49,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:49,684 INFO L93 Difference]: Finished difference Result 2502 states and 2978 transitions. [2018-11-22 23:33:49,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 23:33:49,685 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 281 [2018-11-22 23:33:49,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:49,689 INFO L225 Difference]: With dead ends: 2502 [2018-11-22 23:33:49,689 INFO L226 Difference]: Without dead ends: 1498 [2018-11-22 23:33:49,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 545 SyntacticMatches, 13 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:33:49,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2018-11-22 23:33:49,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1304. [2018-11-22 23:33:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2018-11-22 23:33:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1455 transitions. [2018-11-22 23:33:49,735 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1455 transitions. Word has length 281 [2018-11-22 23:33:49,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:49,736 INFO L480 AbstractCegarLoop]: Abstraction has 1304 states and 1455 transitions. [2018-11-22 23:33:49,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 23:33:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1455 transitions. [2018-11-22 23:33:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-22 23:33:49,739 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:49,740 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 23:33:49,740 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:49,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:49,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1454062249, now seen corresponding path program 2 times [2018-11-22 23:33:49,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:49,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:49,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:49,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:49,741 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 85 proven. 20 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-22 23:33:49,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:49,800 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:33:49,800 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-22 23:33:49,800 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-22 23:33:49,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:49,800 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:33:49,811 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-22 23:33:49,811 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-22 23:33:49,889 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-22 23:33:49,889 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-22 23:33:49,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:33:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-22 23:33:50,017 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:33:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 94 proven. 4 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-22 23:33:50,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 23:33:50,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5, 10] total 19 [2018-11-22 23:33:50,402 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:33:50,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:33:50,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:33:50,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:33:50,403 INFO L87 Difference]: Start difference. First operand 1304 states and 1455 transitions. Second operand 9 states. [2018-11-22 23:33:51,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:51,159 INFO L93 Difference]: Finished difference Result 1515 states and 1817 transitions. [2018-11-22 23:33:51,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 23:33:51,160 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 281 [2018-11-22 23:33:51,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:51,165 INFO L225 Difference]: With dead ends: 1515 [2018-11-22 23:33:51,165 INFO L226 Difference]: Without dead ends: 1482 [2018-11-22 23:33:51,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 551 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=516, Unknown=0, NotChecked=0, Total=650 [2018-11-22 23:33:51,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2018-11-22 23:33:51,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1247. [2018-11-22 23:33:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1247 states. [2018-11-22 23:33:51,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1397 transitions. [2018-11-22 23:33:51,239 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1397 transitions. Word has length 281 [2018-11-22 23:33:51,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:51,239 INFO L480 AbstractCegarLoop]: Abstraction has 1247 states and 1397 transitions. [2018-11-22 23:33:51,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:33:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1397 transitions. [2018-11-22 23:33:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-11-22 23:33:51,244 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:33:51,244 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:33:51,245 INFO L423 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:33:51,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:51,245 INFO L82 PathProgramCache]: Analyzing trace with hash -137220668, now seen corresponding path program 1 times [2018-11-22 23:33:51,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:33:51,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:51,246 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:33:51,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:33:51,246 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:33:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:51,429 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 87 proven. 18 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-11-22 23:33:51,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:51,429 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:33:51,430 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 296 with the following transitions: [2018-11-22 23:33:51,430 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [35], [37], [38], [39], [40], [41], [44], [46], [49], [56], [59], [60], [64], [65], [67], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [118], [119], [120], [121], [122], [124], [127], [129], [132], [135], [138], [144], [146], [147], [148], [149], [150], [151], [153], [158], [161], [162], [164], [169], [171], [172], [177], [179], [182], [185], [189], [195], [222], [223], [226], [230], [231], [235], [238], [240], [243], [253], [256], [260], [261], [264], [265], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [280], [281], [282], [283], [284], [285], [288], [289], [290], [291], [292], [293], [294], [295], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [320], [321], [322], [324], [325], [326], [327] [2018-11-22 23:33:51,431 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:33:51,431 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:33:53,608 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:33:53,608 INFO L272 AbstractInterpreter]: Visited 136 different actions 1490 times. Merged at 22 different actions 154 times. Widened at 1 different actions 1 times. Performed 63081 root evaluator evaluations with a maximum evaluation depth of 5. Performed 63081 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 35 fixpoints after 5 different actions. Largest state had 134 variables. [2018-11-22 23:33:53,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:33:53,610 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:33:53,610 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:33:53,610 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:33:53,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:33:53,617 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:33:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:33:53,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:33:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 253 proven. 9 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-22 23:33:53,853 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:33:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 90 proven. 30 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-11-22 23:33:54,192 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:33:54,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 10] total 25 [2018-11-22 23:33:54,192 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:33:54,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-22 23:33:54,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-22 23:33:54,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2018-11-22 23:33:54,193 INFO L87 Difference]: Start difference. First operand 1247 states and 1397 transitions. Second operand 20 states. [2018-11-22 23:33:55,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:33:55,662 INFO L93 Difference]: Finished difference Result 1998 states and 2306 transitions. [2018-11-22 23:33:55,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-22 23:33:55,662 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 295 [2018-11-22 23:33:55,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:33:55,663 INFO L225 Difference]: With dead ends: 1998 [2018-11-22 23:33:55,663 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:33:55,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 580 SyntacticMatches, 12 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=490, Invalid=2266, Unknown=0, NotChecked=0, Total=2756 [2018-11-22 23:33:55,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:33:55,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:33:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:33:55,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:33:55,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 295 [2018-11-22 23:33:55,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:33:55,668 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:33:55,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-22 23:33:55,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:33:55,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:33:55,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:33:55,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:55,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:56,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:33:57,157 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 44 [2018-11-22 23:33:57,377 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2018-11-22 23:33:57,517 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 50 [2018-11-22 23:33:57,728 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 51 [2018-11-22 23:33:57,876 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 52 [2018-11-22 23:33:58,062 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 41 [2018-11-22 23:33:58,182 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 44 [2018-11-22 23:33:58,418 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 47 [2018-11-22 23:33:58,648 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 52 [2018-11-22 23:33:58,805 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 43 [2018-11-22 23:33:59,064 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 38 [2018-11-22 23:33:59,206 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 39 [2018-11-22 23:33:59,349 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 44 [2018-11-22 23:33:59,522 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 45 [2018-11-22 23:33:59,654 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 50 [2018-11-22 23:33:59,945 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 44 [2018-11-22 23:34:00,206 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 45 [2018-11-22 23:34:00,459 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 51 [2018-11-22 23:34:00,582 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2018-11-22 23:34:00,760 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2018-11-22 23:34:01,005 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 39 [2018-11-22 23:34:01,239 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 41 [2018-11-22 23:34:01,403 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 47 [2018-11-22 23:34:01,405 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-22 23:34:01,406 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-22 23:34:01,406 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-22 23:34:01,406 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-22 23:34:01,406 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-22 23:34:01,406 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:34:01,406 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2018-11-22 23:34:01,406 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:34:01,406 INFO L444 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:34:01,406 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2018-11-22 23:34:01,406 INFO L448 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2018-11-22 23:34:01,406 INFO L448 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2018-11-22 23:34:01,406 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:34:01,406 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:34:01,406 INFO L444 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 464 472) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 464 472) the Hoare annotation is: true [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 464 472) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 528 546) the Hoare annotation is: true [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 541) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L451 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 528 546) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 528 546) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-22 23:34:01,407 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 255 265) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 255 265) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 255 265) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L444 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:34:01,407 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 453 463) the Hoare annotation is: true [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 453 463) no Hoare annotation was computed. [2018-11-22 23:34:01,407 INFO L451 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2018-11-22 23:34:01,407 INFO L448 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-11-22 23:34:01,408 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 453 463) no Hoare annotation was computed. [2018-11-22 23:34:01,408 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 445 452) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~waterLevel~0 0)) .cse1 .cse2 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 (or .cse3 .cse1 .cse2)))) [2018-11-22 23:34:01,408 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 445 452) no Hoare annotation was computed. [2018-11-22 23:34:01,408 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 445 452) no Hoare annotation was computed. [2018-11-22 23:34:01,408 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (let ((.cse5 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse6 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~waterLevel~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse1) .cse7 .cse8) (or .cse0 .cse5 (or .cse7 .cse6 .cse1)) (or .cse2 (or .cse9 .cse1 .cse3 (not (= ~waterLevel~0 2))) .cse8) (or .cse2 .cse0 (or .cse9 .cse1 .cse3) (< 2 ~waterLevel~0) (< ~waterLevel~0 2)) (or .cse2 .cse1 .cse3 .cse4 .cse8))) [2018-11-22 23:34:01,408 INFO L448 ceAbstractionStarter]: For program point L413-1(lines 394 418) no Hoare annotation was computed. [2018-11-22 23:34:01,408 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse0 .cse1) (or .cse5 (or .cse6 .cse0) .cse7 .cse2) (or (or .cse4 .cse0 .cse1 (not (= ~waterLevel~0 2))) .cse2) (or .cse3 .cse5 (or .cse7 .cse6 .cse0)) (or .cse3 .cse5 .cse7 .cse0 .cse1))) [2018-11-22 23:34:01,408 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 394 418) no Hoare annotation was computed. [2018-11-22 23:34:01,408 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 1 ~waterLevel~0)) (.cse8 (and (<= 1 processEnvironment_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (not (= ~waterLevel~0 1)) (or .cse2 .cse4 .cse5 .cse6)) (or .cse0 .cse2 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse4 .cse5) (or .cse1 (or .cse7 .cse4) .cse3 .cse8 .cse6) (or (or .cse2 .cse4 .cse5 (not (= ~waterLevel~0 2))) .cse6) (or .cse0 .cse1 .cse8 (or .cse3 .cse7 .cse4)))) [2018-11-22 23:34:01,408 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 394 418) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse4 .cse7 .cse8) (or .cse4 (or .cse9 .cse2 .cse7 (not (= ~waterLevel~0 2))) .cse5) (or .cse6 .cse0 .cse4 (or .cse3 .cse1 .cse2)) (or .cse4 .cse6 (or .cse9 .cse2 .cse7) (< 2 ~waterLevel~0) (< ~waterLevel~0 2)) (or .cse4 .cse2 .cse7 .cse8 .cse5))) [2018-11-22 23:34:01,408 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 410) no Hoare annotation was computed. [2018-11-22 23:34:01,408 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 1 ~waterLevel~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~waterLevel~0 1)) (.cse6 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (or .cse6 .cse4) .cse3 .cse7 .cse8) (or (not (= ~waterLevel~0 1)) (or .cse2 .cse4 .cse5 .cse8)) (or .cse0 .cse2 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse4 .cse5) (or (or .cse2 .cse4 .cse5 (not (= ~waterLevel~0 2))) .cse8) (or .cse0 .cse1 .cse7 (or .cse3 .cse6 .cse4)))) [2018-11-22 23:34:01,408 INFO L448 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2018-11-22 23:34:01,408 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 415) no Hoare annotation was computed. [2018-11-22 23:34:01,408 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-22 23:34:01,409 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-22 23:34:01,409 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-22 23:34:01,409 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-22 23:34:01,409 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 360 366) no Hoare annotation was computed. [2018-11-22 23:34:01,409 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 360 366) the Hoare annotation is: true [2018-11-22 23:34:01,409 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 578 584) no Hoare annotation was computed. [2018-11-22 23:34:01,409 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 548 611) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:34:01,409 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse7 .cse4 .cse3) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (and (and .cse0 .cse8 .cse1 (= ~pumpRunning~0 1) .cse3) .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse8 .cse2 .cse6 .cse7 .cse3) (and (and .cse0 .cse8 .cse2 .cse1 .cse3) .cse5))) [2018-11-22 23:34:01,409 INFO L444 ceAbstractionStarter]: At program point L601(lines 558 603) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1) .cse3 .cse4) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (and (and .cse2 (and .cse0 .cse1 .cse5 .cse3)) .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 1) (and .cse0 .cse5 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse3))) [2018-11-22 23:34:01,409 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 574) no Hoare annotation was computed. [2018-11-22 23:34:01,409 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 568 574) no Hoare annotation was computed. [2018-11-22 23:34:01,409 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 548 611) no Hoare annotation was computed. [2018-11-22 23:34:01,409 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 564) no Hoare annotation was computed. [2018-11-22 23:34:01,409 INFO L444 ceAbstractionStarter]: At program point L604(lines 557 605) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:34:01,409 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2018-11-22 23:34:01,409 INFO L444 ceAbstractionStarter]: At program point L594-2(lines 588 599) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and .cse0 .cse3 .cse6 .cse7 .cse8 .cse4) (and (and (let ((.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse9) (and .cse0 .cse9 .cse8))) .cse4) .cse2 .cse5) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse8 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3 .cse6 .cse7 .cse4))) [2018-11-22 23:34:01,409 INFO L448 ceAbstractionStarter]: For program point L559(lines 558 603) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 599) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L444 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (and .cse6 (and .cse0 .cse2 .cse3 .cse4) .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (and .cse1 (and .cse0 (= ~pumpRunning~0 1)) .cse4) .cse5) (and .cse0 .cse3 .cse7 .cse8 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse3 .cse7 .cse8 .cse4))) [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 548 611) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 584) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 419 426) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 2))) [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 419 426) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 419 426) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse7 (not (= ~waterLevel~0 0))) (.cse3 (or .cse4 .cse5)) (.cse9 (< 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 2)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 (not (= ~waterLevel~0 2))) (or .cse7 (or .cse5 .cse8)) (or .cse4 .cse9 .cse10 .cse5 .cse6 .cse8) (or .cse1 (or .cse4 .cse5 .cse8) .cse2) (or .cse7 .cse5 .cse6) (or .cse7 .cse3) (or .cse9 .cse10 (not (= 1 ~pumpRunning~0)) .cse5 .cse6 .cse8)))) [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 323) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse10 (< 1 ~waterLevel~0)) (.cse11 (< ~waterLevel~0 1)) (.cse1 (<= ~methaneLevelCritical~0 __utac_acc__Specification2_spec__2_~tmp~1)) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~waterLevel~0 0))) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse8 (< 2 ~waterLevel~0)) (.cse9 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5 (not (= ~waterLevel~0 2))) (or .cse6 (or .cse4 .cse7)) (or .cse3 .cse8 .cse9 .cse4 .cse5 .cse7) (or .cse10 (or .cse3 .cse4 .cse7) .cse11) (or .cse2 .cse10 .cse11 .cse1 (or .cse3 .cse4)) (or .cse2 .cse3 .cse0 .cse4 .cse5 (not (= ~waterLevel~0 1))) (or .cse6 (= ~pumpRunning~0 0) .cse0 .cse4 .cse5) (or .cse8 .cse9 (not (= 1 ~pumpRunning~0)) .cse4 .cse5 .cse7))) [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point L311-1(line 311) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 326) no Hoare annotation was computed. [2018-11-22 23:34:01,410 INFO L448 ceAbstractionStarter]: For program point L309-1(lines 301 329) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 (or (not (= 1 ~pumpRunning~0)) .cse4) .cse6 .cse7 .cse2 .cse8) (or .cse3 .cse0 .cse1 .cse2 .cse4 (not (= ~waterLevel~0 2))) (or .cse1 .cse3 .cse2 .cse4 .cse5 .cse8) (or (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0) .cse3 .cse2 .cse4) (or .cse1 .cse6 .cse7 .cse2 .cse4 .cse8 .cse3))) [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 301 329) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 (or (not (= 1 ~pumpRunning~0)) .cse4) .cse6 .cse7 .cse2 .cse8) (or .cse3 .cse0 .cse1 .cse2 .cse4 (not (= ~waterLevel~0 2))) (or .cse1 .cse3 .cse2 .cse4 .cse5 .cse8) (or (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0) .cse3 .cse2 .cse4) (or .cse1 .cse6 .cse7 .cse2 .cse4 .cse8 .cse3))) [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 301 329) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 293 300) the Hoare annotation is: (or (= ~methAndRunningLastTime~0 0) (not (= ~waterLevel~0 1)) (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)))) [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 293 300) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 293 300) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4))) [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point L433-1(line 433) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 428 444) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 428 444) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4))) [2018-11-22 23:34:01,411 INFO L444 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (and (= activatePump_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 428 444) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-11-22 23:34:01,411 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 509 527) no Hoare annotation was computed. [2018-11-22 23:34:01,412 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2018-11-22 23:34:01,412 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 509 527) the Hoare annotation is: true [2018-11-22 23:34:01,412 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 509 527) no Hoare annotation was computed. [2018-11-22 23:34:01,412 INFO L451 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2018-11-22 23:34:01,412 INFO L448 ceAbstractionStarter]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2018-11-22 23:34:01,412 INFO L448 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2018-11-22 23:34:01,412 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= ~waterLevel~0 2))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (< 2 ~waterLevel~0) (or (or .cse2 (or (not (= 1 ~pumpRunning~0)) .cse3) .cse5) (< ~waterLevel~0 2))) (or .cse6 .cse7 .cse0 .cse2 .cse3 .cse8) (or .cse7 .cse6 (or .cse0 .cse2 .cse3 .cse4)) (or (= ~methaneLevelCritical~0 0) (or .cse0 .cse2 .cse3 .cse8) .cse5))) [2018-11-22 23:34:01,412 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-22 23:34:01,412 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-22 23:34:01,412 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (< 2 |old(~waterLevel~0)|)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse0 (and (= ~methAndRunningLastTime~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse9)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse4 .cse7 .cse8) (or .cse5 (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse9) (or (or .cse3 (let ((.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse10 .cse4 .cse8) (or .cse1 .cse10 .cse4)))) .cse6)) (or .cse1 .cse2 .cse3 .cse0 .cse4 .cse7) (or .cse0 (or .cse2 .cse3 .cse4 (not (= |old(~waterLevel~0)| 2))) .cse8)))) [2018-11-22 23:34:01,412 INFO L444 ceAbstractionStarter]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse11 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (and .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or (and .cse0 (= ~pumpRunning~0 1) .cse1) .cse2 .cse3 (or .cse4 .cse5 .cse6 .cse7 .cse8)) (or .cse4 .cse3 .cse6 .cse7 .cse9 .cse8) (or (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0)) .cse2 (or (or .cse6 (let ((.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse10 .cse7 .cse8) (or .cse11 .cse10 .cse7)))) .cse5)) (or .cse11 .cse4 .cse2 .cse5 .cse6 .cse7 .cse3) (or .cse11 .cse4 .cse6 .cse3 .cse7 .cse9)))) [2018-11-22 23:34:01,412 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 (or (or .cse1 (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3)))) .cse6)) (or (or .cse7 .cse1 .cse3 (not (= |old(~waterLevel~0)| 2))) .cse4) (or .cse5 .cse7 .cse0 .cse6 .cse1 .cse3) (or .cse5 (< 1 |old(~waterLevel~0)|) .cse7 (< |old(~waterLevel~0)| 1) .cse1 .cse3) (or (not (= |old(~waterLevel~0)| 1)) (or .cse7 .cse1 .cse3 .cse4)))) [2018-11-22 23:34:01,412 INFO L448 ceAbstractionStarter]: For program point L340(lines 339 358) no Hoare annotation was computed. [2018-11-22 23:34:01,412 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 336 359) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (< 2 |old(~waterLevel~0)|)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse0 (and .cse9 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse10)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse4 .cse7 .cse8) (or .cse5 (and (and .cse9 .cse10) (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (or (or .cse3 (let ((.cse11 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse11 .cse4 .cse8) (or .cse1 .cse11 .cse4)))) .cse6)) (or .cse1 .cse2 .cse3 .cse0 .cse4 .cse7) (or .cse0 (or .cse2 .cse3 .cse4 (not (= |old(~waterLevel~0)| 2))) .cse8)))) [2018-11-22 23:34:01,412 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 336 359) no Hoare annotation was computed. [2018-11-22 23:34:01,412 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 336 359) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 191 220) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 191 220) the Hoare annotation is: true [2018-11-22 23:34:01,413 INFO L451 ceAbstractionStarter]: At program point L216(lines 191 220) the Hoare annotation is: true [2018-11-22 23:34:01,413 INFO L448 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L451 ceAbstractionStarter]: At program point L205-1(lines 205 209) the Hoare annotation is: true [2018-11-22 23:34:01,413 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L451 ceAbstractionStarter]: At program point L201-2(lines 201 215) the Hoare annotation is: true [2018-11-22 23:34:01,413 INFO L451 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2018-11-22 23:34:01,413 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-22 23:34:01,413 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or .cse1 .cse2) .cse3) (or .cse1 .cse3 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:34:01,413 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 246 252) no Hoare annotation was computed. [2018-11-22 23:34:01,413 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 246 252) the Hoare annotation is: true [2018-11-22 23:34:01,414 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:34:01,414 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-22 23:34:01,414 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:34:01,414 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:34:01,414 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 368 392) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 0))) (.cse8 (= |old(~pumpRunning~0)| 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse4 .cse5 .cse6) (or .cse0 .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse2 .cse4 .cse3) (or .cse3 .cse7 .cse8 .cse2 .cse6) (or .cse3 (or .cse1 .cse2 .cse4 (not (= ~waterLevel~0 2))) .cse6) (or .cse7 .cse8 .cse3 .cse2 .cse4))) [2018-11-22 23:34:01,414 INFO L444 ceAbstractionStarter]: At program point L382(line 382) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse6 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 0))) (.cse8 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 (< 1 ~waterLevel~0) .cse1 .cse6 (< ~waterLevel~0 1) .cse4 .cse5) (or .cse7 .cse8 .cse4 .cse9) (or .cse6 .cse2 (or .cse1 .cse3 .cse4 .cse5 .cse9)) (or .cse6 (not (= ~waterLevel~0 1)) (or .cse1 .cse4 .cse5 .cse9)) (or .cse7 .cse8 .cse4 .cse5))) [2018-11-22 23:34:01,414 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 368 392) no Hoare annotation was computed. [2018-11-22 23:34:01,414 INFO L444 ceAbstractionStarter]: At program point L378(line 378) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= ~waterLevel~0 0))) (.cse9 (= |old(~pumpRunning~0)| 0)) (.cse7 (not (= ~waterLevel~0 2))) (.cse5 (= processEnvironment__wrappee__highWaterSensor_~tmp~2 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< 1 ~waterLevel~0) .cse1 (< ~waterLevel~0 1) .cse2 .cse3) (or (not (= ~waterLevel~0 1)) (or .cse1 .cse2 .cse3 .cse4)) (or (and .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse7)) (or .cse8 .cse9 .cse2 .cse4) (or .cse8 .cse9 .cse2 .cse3) (or (or .cse1 .cse2 .cse3 .cse7) .cse4 .cse5) (or (< 2 ~waterLevel~0) .cse6 (or .cse1 (< ~waterLevel~0 2) .cse2 .cse3 .cse4)))) [2018-11-22 23:34:01,414 INFO L448 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2018-11-22 23:34:01,414 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 0))) (.cse8 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse4 .cse5 .cse6) (or .cse0 .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse2 .cse4 .cse3) (or .cse7 .cse8 .cse2 .cse6) (or .cse3 (or .cse1 .cse2 .cse4 (not (= ~waterLevel~0 2))) .cse6) (or .cse7 .cse8 .cse2 .cse4))) [2018-11-22 23:34:01,414 INFO L448 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2018-11-22 23:34:01,415 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 389) no Hoare annotation was computed. [2018-11-22 23:34:01,415 INFO L444 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 2))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 0))) (.cse8 (= |old(~pumpRunning~0)| 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< 1 ~waterLevel~0) .cse1 (< ~waterLevel~0 1) .cse2 .cse3) (or (not (= ~waterLevel~0 1)) (or .cse1 .cse2 .cse3 .cse4)) (or .cse0 .cse1 .cse2 .cse3 .cse5) (or (or .cse1 .cse2 .cse3 .cse5) .cse4) (or .cse6 .cse7 .cse8 .cse2 .cse4) (or .cse7 .cse8 .cse6 .cse2 .cse3))) [2018-11-22 23:34:01,415 INFO L448 ceAbstractionStarter]: For program point L387-1(lines 368 392) no Hoare annotation was computed. [2018-11-22 23:34:01,415 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-22 23:34:01,415 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-22 23:34:01,415 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse7 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse7 .cse8)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 .cse5 .cse3 .cse6 .cse2) (or .cse7 .cse2 .cse8 .cse3 .cse9 .cse6) (or .cse0 .cse7 .cse8 .cse2 .cse3 .cse9) (or .cse2 (or .cse8 (not (= 1 ~pumpRunning~0)) .cse3) .cse4 .cse5 .cse6)))) [2018-11-22 23:34:01,415 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 979 986) no Hoare annotation was computed. [2018-11-22 23:34:01,415 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 979 986) the Hoare annotation is: true [2018-11-22 23:34:01,415 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-11-22 23:34:01,415 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 979 986) no Hoare annotation was computed. [2018-11-22 23:34:01,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:34:01 BoogieIcfgContainer [2018-11-22 23:34:01,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:34:01,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:34:01,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:34:01,426 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:34:01,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:33:18" (3/4) ... [2018-11-22 23:34:01,430 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:34:01,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 23:34:01,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 23:34:01,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:34:01,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 23:34:01,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 23:34:01,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 23:34:01,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 23:34:01,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 23:34:01,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 23:34:01,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 23:34:01,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 23:34:01,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 23:34:01,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 23:34:01,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 23:34:01,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 23:34:01,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 23:34:01,443 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-22 23:34:01,444 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 23:34:01,444 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 23:34:01,444 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 23:34:01,445 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:34:01,445 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:34:01,445 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:34:01,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1) || !(systemActive == 1) || !(\old(methAndRunningLastTime) == 0)) || ((2 <= waterLevel && ((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1)) || !(0 == \old(pumpRunning))) || ((methaneLevelCritical == 1 && ((methAndRunningLastTime == 0 && 0 == pumpRunning) && splverifierCounter == 0) && \old(waterLevel) <= waterLevel) && waterLevel <= \old(waterLevel) + 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && waterLevel <= 1) && 1 <= waterLevel) && splverifierCounter == 0) [2018-11-22 23:34:01,471 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(waterLevel) == 1) || ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 23:34:01,504 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3d9824df-e83e-41da-a7c1-8c40e52c36c3/bin-2019/utaipan/witness.graphml [2018-11-22 23:34:01,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:34:01,505 INFO L168 Benchmark]: Toolchain (without parser) took 44163.12 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 956.4 MB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 346.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:34:01,506 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:34:01,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:34:01,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:34:01,506 INFO L168 Benchmark]: Boogie Preprocessor took 37.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:34:01,507 INFO L168 Benchmark]: RCFGBuilder took 454.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:34:01,507 INFO L168 Benchmark]: TraceAbstraction took 43138.00 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-11-22 23:34:01,507 INFO L168 Benchmark]: Witness Printer took 78.27 ms. Allocated memory is still 3.3 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:34:01,509 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 421.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -171.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 454.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 43138.00 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 78.27 ms. Allocated memory is still 3.3 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: 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: 558]: Loop Invariant Derived loop invariant: (((((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1) || !(systemActive == 1) || !(\old(methAndRunningLastTime) == 0)) || ((2 <= waterLevel && ((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1)) || !(0 == \old(pumpRunning))) || ((methaneLevelCritical == 1 && ((methAndRunningLastTime == 0 && 0 == pumpRunning) && splverifierCounter == 0) && \old(waterLevel) <= waterLevel) && waterLevel <= \old(waterLevel) + 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && waterLevel <= 1) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: !(\old(waterLevel) == 1) || ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 43.0s OverallTime, 17 OverallIterations, 7 TraceHistogramMax, 16.6s AutomataDifference, 0.0s DeadEndRemovalTime, 5.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 3618 SDtfs, 4587 SDslu, 12305 SDs, 0 SdLazy, 11332 SolverSat, 2202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 3672 GetRequests, 3349 SyntacticMatches, 39 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1871 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3620occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 13.3s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9969139551021815 AbsIntWeakeningRatio, 0.9070631970260223 AbsIntAvgWeakeningVarsNumRemoved, 48.91449814126394 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 1717 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 5928 PreInvPairs, 6127 NumberOfFragments, 4246 HoareAnnotationTreeSize, 5928 FomulaSimplifications, 54236 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 65 FomulaSimplificationsInter, 32115 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 4102 NumberOfCodeBlocks, 3963 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5645 ConstructedInterpolants, 0 QuantifiedInterpolants, 1943561 SizeOfPredicates, 28 NumberOfNonLiveVariables, 6580 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 29 InterpolantComputations, 13 PerfectInterpolantSequences, 3908/4175 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...