./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/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 69211a6a9810795915a638c419bc12fc6aa00ac5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:14:51,162 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:14:51,163 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:14:51,170 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:14:51,170 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:14:51,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:14:51,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:14:51,172 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:14:51,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:14:51,174 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:14:51,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:14:51,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:14:51,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:14:51,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:14:51,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:14:51,176 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:14:51,177 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:14:51,178 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:14:51,179 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:14:51,180 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:14:51,180 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:14:51,181 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:14:51,182 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:14:51,182 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:14:51,183 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:14:51,183 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:14:51,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:14:51,184 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:14:51,185 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:14:51,185 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:14:51,185 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:14:51,186 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:14:51,186 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:14:51,186 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:14:51,187 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:14:51,187 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:14:51,187 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:14:51,194 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:14:51,195 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:14:51,195 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:14:51,195 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:14:51,195 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:14:51,196 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:14:51,196 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:14:51,196 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:14:51,196 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:14:51,196 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:14:51,196 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:14:51,196 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:14:51,196 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:14:51,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:14:51,197 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:14:51,197 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:14:51,197 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:14:51,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:14:51,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:14:51,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:14:51,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:14:51,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:14:51,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:14:51,198 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:14:51,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:14:51,198 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:14:51,199 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:14:51,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:14:51,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:14:51,199 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:14:51,199 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:14:51,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:14:51,199 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:14:51,199 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:14:51,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:14:51,200 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:14:51,200 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_a4453481-829c-4448-b45b-621ddb0b5435/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 -> 69211a6a9810795915a638c419bc12fc6aa00ac5 [2018-12-02 06:14:51,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:14:51,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:14:51,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:14:51,227 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:14:51,227 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:14:51,228 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-12-02 06:14:51,262 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/data/dce089eb9/83196a3980064fa19a83a68fae3963fa/FLAGf94d5228a [2018-12-02 06:14:51,698 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:14:51,699 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-12-02 06:14:51,704 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/data/dce089eb9/83196a3980064fa19a83a68fae3963fa/FLAGf94d5228a [2018-12-02 06:14:51,712 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/data/dce089eb9/83196a3980064fa19a83a68fae3963fa [2018-12-02 06:14:51,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:14:51,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:14:51,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:14:51,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:14:51,718 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:14:51,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:51,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51, skipping insertion in model container [2018-12-02 06:14:51,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:51,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:14:51,743 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:14:51,888 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:14:51,932 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:14:51,973 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:14:51,987 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:14:51,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51 WrapperNode [2018-12-02 06:14:51,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:14:51,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:14:51,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:14:51,989 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:14:51,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:52,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:52,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:14:52,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:14:52,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:14:52,009 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:14:52,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:52,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:52,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:52,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:52,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:52,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:52,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (1/1) ... [2018-12-02 06:14:52,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:14:52,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:14:52,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:14:52,034 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:14:52,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:14:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 06:14:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 06:14:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:14:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:14:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 06:14:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 06:14:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:14:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 06:14:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 06:14:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 06:14:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 06:14:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 06:14:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 06:14:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 06:14:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 06:14:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 06:14:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 06:14:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 06:14:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 06:14:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 06:14:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 06:14:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 06:14:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 06:14:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 06:14:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 06:14:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 06:14:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 06:14:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 06:14:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 06:14:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 06:14:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 06:14:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 06:14:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 06:14:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 06:14:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 06:14:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 06:14:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 06:14:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-02 06:14:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-02 06:14:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-02 06:14:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-02 06:14:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-02 06:14:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-02 06:14:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 06:14:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 06:14:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 06:14:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 06:14:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 06:14:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 06:14:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 06:14:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:14:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:14:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 06:14:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 06:14:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 06:14:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 06:14:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:14:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:14:52,356 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:14:52,356 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 06:14:52,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:14:52 BoogieIcfgContainer [2018-12-02 06:14:52,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:14:52,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:14:52,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:14:52,359 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:14:52,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:14:51" (1/3) ... [2018-12-02 06:14:52,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727d940d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:14:52, skipping insertion in model container [2018-12-02 06:14:52,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:14:51" (2/3) ... [2018-12-02 06:14:52,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727d940d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:14:52, skipping insertion in model container [2018-12-02 06:14:52,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:14:52" (3/3) ... [2018-12-02 06:14:52,361 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-12-02 06:14:52,367 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:14:52,372 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:14:52,381 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:14:52,401 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:14:52,401 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:14:52,401 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:14:52,401 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:14:52,401 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:14:52,401 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:14:52,401 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:14:52,401 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:14:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-12-02 06:14:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 06:14:52,418 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:52,419 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] [2018-12-02 06:14:52,420 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:52,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:52,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2005448145, now seen corresponding path program 1 times [2018-12-02 06:14:52,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:52,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:52,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:52,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:52,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:14:52,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:14:52,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 06:14:52,567 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:52,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 06:14:52,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 06:14:52,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 06:14:52,580 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-12-02 06:14:52,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:52,602 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-12-02 06:14:52,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 06:14:52,603 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-02 06:14:52,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:52,610 INFO L225 Difference]: With dead ends: 252 [2018-12-02 06:14:52,610 INFO L226 Difference]: Without dead ends: 128 [2018-12-02 06:14:52,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 06:14:52,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-12-02 06:14:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-12-02 06:14:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-02 06:14:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2018-12-02 06:14:52,643 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 59 [2018-12-02 06:14:52,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:52,643 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2018-12-02 06:14:52,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 06:14:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2018-12-02 06:14:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 06:14:52,645 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:52,645 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] [2018-12-02 06:14:52,645 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:52,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:52,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1713317249, now seen corresponding path program 1 times [2018-12-02 06:14:52,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:52,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:52,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:52,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:52,646 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:14:52,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:14:52,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:14:52,704 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:52,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:14:52,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:14:52,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:14:52,705 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2018-12-02 06:14:52,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:52,717 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2018-12-02 06:14:52,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:14:52,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-02 06:14:52,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:52,719 INFO L225 Difference]: With dead ends: 188 [2018-12-02 06:14:52,719 INFO L226 Difference]: Without dead ends: 119 [2018-12-02 06:14:52,720 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:14:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-02 06:14:52,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-02 06:14:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-02 06:14:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2018-12-02 06:14:52,730 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 60 [2018-12-02 06:14:52,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:52,731 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2018-12-02 06:14:52,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:14:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2018-12-02 06:14:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 06:14:52,732 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:52,732 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] [2018-12-02 06:14:52,732 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:52,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:52,733 INFO L82 PathProgramCache]: Analyzing trace with hash 377922771, now seen corresponding path program 1 times [2018-12-02 06:14:52,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:52,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:52,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:52,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:52,734 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:52,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:14:52,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:14:52,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 06:14:52,826 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:52,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:14:52,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:14:52,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:14:52,827 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 7 states. [2018-12-02 06:14:53,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:53,061 INFO L93 Difference]: Finished difference Result 357 states and 431 transitions. [2018-12-02 06:14:53,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:14:53,062 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-02 06:14:53,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:53,064 INFO L225 Difference]: With dead ends: 357 [2018-12-02 06:14:53,064 INFO L226 Difference]: Without dead ends: 266 [2018-12-02 06:14:53,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:14:53,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-12-02 06:14:53,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 242. [2018-12-02 06:14:53,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-12-02 06:14:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 290 transitions. [2018-12-02 06:14:53,091 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 290 transitions. Word has length 65 [2018-12-02 06:14:53,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:53,091 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 290 transitions. [2018-12-02 06:14:53,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:14:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 290 transitions. [2018-12-02 06:14:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 06:14:53,094 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:53,094 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] [2018-12-02 06:14:53,094 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:53,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:53,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1701726359, now seen corresponding path program 1 times [2018-12-02 06:14:53,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:53,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:53,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:53,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:53,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:53,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 06:14:53,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:14:53,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 06:14:53,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:53,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:14:53,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:14:53,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:14:53,194 INFO L87 Difference]: Start difference. First operand 242 states and 290 transitions. Second operand 7 states. [2018-12-02 06:14:53,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:53,540 INFO L93 Difference]: Finished difference Result 618 states and 791 transitions. [2018-12-02 06:14:53,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 06:14:53,540 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-02 06:14:53,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:53,542 INFO L225 Difference]: With dead ends: 618 [2018-12-02 06:14:53,542 INFO L226 Difference]: Without dead ends: 404 [2018-12-02 06:14:53,543 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 06:14:53,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-12-02 06:14:53,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 356. [2018-12-02 06:14:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-12-02 06:14:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 426 transitions. [2018-12-02 06:14:53,565 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 426 transitions. Word has length 70 [2018-12-02 06:14:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:53,565 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 426 transitions. [2018-12-02 06:14:53,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:14:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 426 transitions. [2018-12-02 06:14:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 06:14:53,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:53,566 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] [2018-12-02 06:14:53,567 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:53,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:53,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1235149811, now seen corresponding path program 1 times [2018-12-02 06:14:53,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:53,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:53,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:53,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:53,568 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:14:53,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:14:53,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:14:53,619 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:53,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:14:53,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:14:53,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:14:53,620 INFO L87 Difference]: Start difference. First operand 356 states and 426 transitions. Second operand 6 states. [2018-12-02 06:14:53,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:53,675 INFO L93 Difference]: Finished difference Result 694 states and 845 transitions. [2018-12-02 06:14:53,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:14:53,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-02 06:14:53,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:53,677 INFO L225 Difference]: With dead ends: 694 [2018-12-02 06:14:53,677 INFO L226 Difference]: Without dead ends: 366 [2018-12-02 06:14:53,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:14:53,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-12-02 06:14:53,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-12-02 06:14:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-12-02 06:14:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 436 transitions. [2018-12-02 06:14:53,694 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 436 transitions. Word has length 88 [2018-12-02 06:14:53,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:53,695 INFO L480 AbstractCegarLoop]: Abstraction has 366 states and 436 transitions. [2018-12-02 06:14:53,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:14:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 436 transitions. [2018-12-02 06:14:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 06:14:53,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:53,696 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] [2018-12-02 06:14:53,696 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:53,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:53,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1673614091, now seen corresponding path program 1 times [2018-12-02 06:14:53,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:53,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:53,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:53,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:53,697 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:53,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:14:53,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:14:53,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 06:14:53,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:53,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 06:14:53,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 06:14:53,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:14:53,751 INFO L87 Difference]: Start difference. First operand 366 states and 436 transitions. Second operand 8 states. [2018-12-02 06:14:53,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:53,775 INFO L93 Difference]: Finished difference Result 718 states and 880 transitions. [2018-12-02 06:14:53,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 06:14:53,776 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-12-02 06:14:53,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:53,777 INFO L225 Difference]: With dead ends: 718 [2018-12-02 06:14:53,777 INFO L226 Difference]: Without dead ends: 380 [2018-12-02 06:14:53,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:14:53,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-12-02 06:14:53,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2018-12-02 06:14:53,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-12-02 06:14:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 444 transitions. [2018-12-02 06:14:53,790 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 444 transitions. Word has length 88 [2018-12-02 06:14:53,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:53,790 INFO L480 AbstractCegarLoop]: Abstraction has 374 states and 444 transitions. [2018-12-02 06:14:53,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 06:14:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 444 transitions. [2018-12-02 06:14:53,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 06:14:53,791 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:53,791 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] [2018-12-02 06:14:53,791 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:53,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:53,791 INFO L82 PathProgramCache]: Analyzing trace with hash 437676278, now seen corresponding path program 1 times [2018-12-02 06:14:53,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:53,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:53,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:53,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:53,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:14:53,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:14:53,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:14:53,846 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:53,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:14:53,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:14:53,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:14:53,846 INFO L87 Difference]: Start difference. First operand 374 states and 444 transitions. Second operand 4 states. [2018-12-02 06:14:53,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:53,971 INFO L93 Difference]: Finished difference Result 1206 states and 1499 transitions. [2018-12-02 06:14:53,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:14:53,971 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-02 06:14:53,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:53,975 INFO L225 Difference]: With dead ends: 1206 [2018-12-02 06:14:53,975 INFO L226 Difference]: Without dead ends: 860 [2018-12-02 06:14:53,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:14:53,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2018-12-02 06:14:54,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 843. [2018-12-02 06:14:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2018-12-02 06:14:54,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1022 transitions. [2018-12-02 06:14:54,020 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1022 transitions. Word has length 88 [2018-12-02 06:14:54,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:54,021 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 1022 transitions. [2018-12-02 06:14:54,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:14:54,021 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1022 transitions. [2018-12-02 06:14:54,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 06:14:54,022 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:54,023 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] [2018-12-02 06:14:54,023 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:54,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:54,023 INFO L82 PathProgramCache]: Analyzing trace with hash 14404720, now seen corresponding path program 1 times [2018-12-02 06:14:54,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:54,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:54,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:54,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:54,024 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 06:14:54,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:14:54,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 06:14:54,117 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:54,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:14:54,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:14:54,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:14:54,118 INFO L87 Difference]: Start difference. First operand 843 states and 1022 transitions. Second operand 9 states. [2018-12-02 06:14:54,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:54,656 INFO L93 Difference]: Finished difference Result 2326 states and 2951 transitions. [2018-12-02 06:14:54,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 06:14:54,657 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2018-12-02 06:14:54,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:54,664 INFO L225 Difference]: With dead ends: 2326 [2018-12-02 06:14:54,664 INFO L226 Difference]: Without dead ends: 1687 [2018-12-02 06:14:54,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-02 06:14:54,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2018-12-02 06:14:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1484. [2018-12-02 06:14:54,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2018-12-02 06:14:54,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1780 transitions. [2018-12-02 06:14:54,735 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1780 transitions. Word has length 92 [2018-12-02 06:14:54,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:54,736 INFO L480 AbstractCegarLoop]: Abstraction has 1484 states and 1780 transitions. [2018-12-02 06:14:54,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:14:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1780 transitions. [2018-12-02 06:14:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 06:14:54,738 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:54,738 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:14:54,738 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:54,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:54,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1631321016, now seen corresponding path program 1 times [2018-12-02 06:14:54,739 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:54,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:54,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:54,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:54,740 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 06:14:54,832 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:54,832 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:14:54,833 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-02 06:14:54,834 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [65], [69], [70], [71], [74], [76], [79], [86], [89], [90], [91], [100], [104], [108], [111], [114], [116], [122], [124], [130], [136], [144], [145], [146], [147], [148], [149], [150], [152], [157], [159], [160], [197], [200], [204], [210], [213], [217], [218], [226], [230], [231], [234], [235], [236], [237], [238], [239], [240], [242], [243], [244], [245], [246], [247], [248], [249], [250], [254], [255], [256], [258], [259], [260], [261], [264], [265], [266], [267], [274], [275], [278], [279], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294] [2018-12-02 06:14:54,860 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:14:54,860 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:14:55,787 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:14:55,788 INFO L272 AbstractInterpreter]: Visited 105 different actions 426 times. Merged at 16 different actions 46 times. Never widened. Performed 15411 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15411 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-02 06:14:55,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:55,793 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:14:55,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:55,794 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:14:55,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:55,812 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:14:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:55,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:14:56,000 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 06:14:56,201 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:14:56,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-02 06:14:56,201 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:14:56,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 06:14:56,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 06:14:56,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-02 06:14:56,202 INFO L87 Difference]: Start difference. First operand 1484 states and 1780 transitions. Second operand 16 states. [2018-12-02 06:14:56,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:56,845 INFO L93 Difference]: Finished difference Result 3173 states and 3956 transitions. [2018-12-02 06:14:56,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-02 06:14:56,846 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-12-02 06:14:56,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:56,850 INFO L225 Difference]: With dead ends: 3173 [2018-12-02 06:14:56,850 INFO L226 Difference]: Without dead ends: 1887 [2018-12-02 06:14:56,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 264 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-12-02 06:14:56,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2018-12-02 06:14:56,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1469. [2018-12-02 06:14:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1469 states. [2018-12-02 06:14:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1716 transitions. [2018-12-02 06:14:56,908 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1716 transitions. Word has length 136 [2018-12-02 06:14:56,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:56,908 INFO L480 AbstractCegarLoop]: Abstraction has 1469 states and 1716 transitions. [2018-12-02 06:14:56,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 06:14:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1716 transitions. [2018-12-02 06:14:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-02 06:14:56,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:56,911 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, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:14:56,911 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:56,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:56,911 INFO L82 PathProgramCache]: Analyzing trace with hash -536901051, now seen corresponding path program 1 times [2018-12-02 06:14:56,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:56,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:56,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:56,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:56,912 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-02 06:14:56,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:14:56,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 06:14:56,965 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:56,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:14:56,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:14:56,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:14:56,966 INFO L87 Difference]: Start difference. First operand 1469 states and 1716 transitions. Second operand 3 states. [2018-12-02 06:14:57,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:57,012 INFO L93 Difference]: Finished difference Result 2328 states and 2724 transitions. [2018-12-02 06:14:57,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:14:57,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2018-12-02 06:14:57,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:57,015 INFO L225 Difference]: With dead ends: 2328 [2018-12-02 06:14:57,015 INFO L226 Difference]: Without dead ends: 921 [2018-12-02 06:14:57,017 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 06:14:57,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2018-12-02 06:14:57,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 901. [2018-12-02 06:14:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2018-12-02 06:14:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1036 transitions. [2018-12-02 06:14:57,077 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1036 transitions. Word has length 244 [2018-12-02 06:14:57,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:57,077 INFO L480 AbstractCegarLoop]: Abstraction has 901 states and 1036 transitions. [2018-12-02 06:14:57,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:14:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1036 transitions. [2018-12-02 06:14:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-02 06:14:57,081 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:57,081 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:14:57,082 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:57,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:57,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1826128213, now seen corresponding path program 1 times [2018-12-02 06:14:57,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:57,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:57,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:57,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:57,083 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:57,184 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 124 proven. 14 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-12-02 06:14:57,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:57,184 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:14:57,184 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 280 with the following transitions: [2018-12-02 06:14:57,184 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [50], [55], [56], [57], [58], [59], [63], [64], [65], [69], [70], [71], [74], [76], [79], [86], [89], [90], [91], [100], [104], [108], [111], [114], [116], [122], [124], [127], [130], [133], [136], [144], [145], [146], [147], [148], [149], [150], [152], [157], [159], [160], [197], [200], [204], [207], [210], [213], [217], [218], [222], [223], [226], [230], [231], [234], [235], [236], [237], [238], [239], [240], [242], [243], [244], [245], [246], [247], [248], [249], [250], [252], [253], [254], [255], [256], [258], [259], [260], [261], [264], [265], [266], [267], [270], [271], [272], [273], [274], [275], [278], [279], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294] [2018-12-02 06:14:57,186 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:14:57,186 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:14:58,561 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:14:58,561 INFO L272 AbstractInterpreter]: Visited 121 different actions 1131 times. Merged at 24 different actions 111 times. Never widened. Performed 42838 root evaluator evaluations with a maximum evaluation depth of 3. Performed 42838 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 35 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-02 06:14:58,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:58,565 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:14:58,565 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:58,565 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:14:58,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:58,571 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:14:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:58,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:58,793 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 244 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-12-02 06:14:58,793 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-02 06:14:59,200 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:14:59,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-12-02 06:14:59,200 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:14:59,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 06:14:59,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 06:14:59,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2018-12-02 06:14:59,201 INFO L87 Difference]: Start difference. First operand 901 states and 1036 transitions. Second operand 19 states. [2018-12-02 06:15:00,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:15:00,390 INFO L93 Difference]: Finished difference Result 2292 states and 2938 transitions. [2018-12-02 06:15:00,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-02 06:15:00,390 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 279 [2018-12-02 06:15:00,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:15:00,391 INFO L225 Difference]: With dead ends: 2292 [2018-12-02 06:15:00,391 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:15:00,395 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 545 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=420, Invalid=1650, Unknown=0, NotChecked=0, Total=2070 [2018-12-02 06:15:00,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:15:00,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:15:00,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:15:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:15:00,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 279 [2018-12-02 06:15:00,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:15:00,397 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:15:00,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 06:15:00,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:15:00,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:15:00,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:15:00,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:00,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:01,093 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2018-12-02 06:15:01,354 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2018-12-02 06:15:01,549 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-12-02 06:15:02,240 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 53 [2018-12-02 06:15:02,778 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-02 06:15:03,168 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2018-12-02 06:15:03,380 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-12-02 06:15:03,840 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2018-12-02 06:15:03,986 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-02 06:15:03,986 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-02 06:15:03,986 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-02 06:15:03,987 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-02 06:15:03,987 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-02 06:15:03,987 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 816 823) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-02 06:15:03,987 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 816 823) no Hoare annotation was computed. [2018-12-02 06:15:03,987 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 816 823) no Hoare annotation was computed. [2018-12-02 06:15:03,987 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 824 833) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse4 .cse5 (or .cse0 .cse2) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (not (= ~waterLevel~0 1))))) [2018-12-02 06:15:03,987 INFO L448 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-12-02 06:15:03,987 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 824 833) no Hoare annotation was computed. [2018-12-02 06:15:03,987 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 824 833) no Hoare annotation was computed. [2018-12-02 06:15:03,988 INFO L444 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse3 .cse5 (or .cse6 .cse4)) (or .cse5 .cse4 (or .cse6 .cse2)) (or .cse3 (or .cse6 .cse1 .cse4)) (or .cse6 .cse1 .cse4 .cse2))) [2018-12-02 06:15:03,988 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 834 862) the Hoare annotation is: true [2018-12-02 06:15:03,988 INFO L448 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2018-12-02 06:15:03,988 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 856) no Hoare annotation was computed. [2018-12-02 06:15:03,988 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~7 ~waterLevel~0)) (.cse3 (< 1 ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4 .cse5) (or .cse3 .cse6 (or .cse7 .cse4) .cse5) (or .cse6 .cse4 (or .cse7 .cse2)) (or .cse5 .cse3 (or .cse7 .cse1 .cse4)) (or .cse7 .cse1 .cse4 .cse2))) [2018-12-02 06:15:03,988 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 834 862) no Hoare annotation was computed. [2018-12-02 06:15:03,988 INFO L448 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2018-12-02 06:15:03,988 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 859) no Hoare annotation was computed. [2018-12-02 06:15:03,988 INFO L448 ceAbstractionStarter]: For program point L842-1(lines 834 862) no Hoare annotation was computed. [2018-12-02 06:15:03,988 INFO L451 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: true [2018-12-02 06:15:03,989 INFO L448 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2018-12-02 06:15:03,989 INFO L444 ceAbstractionStarter]: At program point L802-1(line 802) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~6 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 06:15:03,989 INFO L448 ceAbstractionStarter]: For program point L800(lines 800 807) no Hoare annotation was computed. [2018-12-02 06:15:03,989 INFO L448 ceAbstractionStarter]: For program point L800-1(lines 800 807) no Hoare annotation was computed. [2018-12-02 06:15:03,989 INFO L448 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2018-12-02 06:15:03,989 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 790 812) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 06:15:03,989 INFO L444 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 06:15:03,989 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 06:15:03,989 INFO L444 ceAbstractionStarter]: At program point L796-1(line 796) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 06:15:03,990 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 790 812) no Hoare annotation was computed. [2018-12-02 06:15:03,990 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 790 812) no Hoare annotation was computed. [2018-12-02 06:15:03,990 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~6 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 06:15:03,990 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 254 268) no Hoare annotation was computed. [2018-12-02 06:15:03,990 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 254 268) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (not (= ~waterLevel~0 2)))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-12-02 06:15:03,990 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 254 268) no Hoare annotation was computed. [2018-12-02 06:15:03,990 INFO L444 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-12-02 06:15:03,990 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2018-12-02 06:15:03,990 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 190 198) no Hoare annotation was computed. [2018-12-02 06:15:03,991 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 190 198) the Hoare annotation is: true [2018-12-02 06:15:03,991 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 190 198) no Hoare annotation was computed. [2018-12-02 06:15:03,991 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-02 06:15:03,991 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-02 06:15:03,991 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 06:15:03,991 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 779 789) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 06:15:03,991 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 779 789) no Hoare annotation was computed. [2018-12-02 06:15:03,991 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 779 789) no Hoare annotation was computed. [2018-12-02 06:15:03,991 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) [2018-12-02 06:15:03,991 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2018-12-02 06:15:03,991 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2018-12-02 06:15:03,992 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2018-12-02 06:15:03,992 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-12-02 06:15:03,992 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 943 956) the Hoare annotation is: true [2018-12-02 06:15:03,992 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 943 956) no Hoare annotation was computed. [2018-12-02 06:15:03,992 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse3 (or .cse1 .cse2 .cse0)) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-12-02 06:15:03,992 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 138 162) no Hoare annotation was computed. [2018-12-02 06:15:03,992 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (let ((.cse2 (< 1 ~waterLevel~0)) (.cse1 (and (= processEnvironment_~tmp~0 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse4))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4) (or .cse2 .cse1 .cse0)))) [2018-12-02 06:15:03,992 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 138 162) no Hoare annotation was computed. [2018-12-02 06:15:03,992 INFO L444 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= 2 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-02 06:15:03,993 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 138 162) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse0 (or .cse4 .cse1 .cse2) .cse3) (or .cse3 .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-02 06:15:03,993 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 154) no Hoare annotation was computed. [2018-12-02 06:15:03,993 INFO L444 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 (or .cse3 .cse1 .cse2) .cse4) (or .cse4 .cse2 (or .cse3 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-02 06:15:03,993 INFO L448 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2018-12-02 06:15:03,993 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 159) no Hoare annotation was computed. [2018-12-02 06:15:03,993 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 130 136) no Hoare annotation was computed. [2018-12-02 06:15:03,993 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 130 136) the Hoare annotation is: true [2018-12-02 06:15:03,993 INFO L444 ceAbstractionStarter]: At program point L704(lines 657 706) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse4 .cse0 .cse3 .cse6) (and .cse4 .cse7 .cse2 .cse3 .cse6) (and .cse5 .cse4 .cse7 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 06:15:03,994 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 647 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 06:15:03,994 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 1)) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (and .cse9 .cse5)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (and .cse9 .cse4 .cse5))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse3 .cse4 .cse5 .cse2) (and .cse0 .cse6 .cse2) (and .cse7 .cse1 .cse8 .cse2) (and .cse7 .cse6 .cse8 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0))))) [2018-12-02 06:15:03,994 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 673) no Hoare annotation was computed. [2018-12-02 06:15:03,994 INFO L448 ceAbstractionStarter]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2018-12-02 06:15:03,994 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 647 714) no Hoare annotation was computed. [2018-12-02 06:15:03,994 INFO L448 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2018-12-02 06:15:03,994 INFO L444 ceAbstractionStarter]: At program point L707(lines 656 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 06:15:03,994 INFO L444 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse1) (and (<= ~waterLevel~0 1) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-02 06:15:03,994 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2018-12-02 06:15:03,995 INFO L444 ceAbstractionStarter]: At program point L695-1(lines 687 702) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse4 .cse1 .cse2) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and (and .cse5 .cse2) (= ~systemActive~0 0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and .cse5 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 06:15:03,995 INFO L448 ceAbstractionStarter]: For program point L658(lines 657 706) no Hoare annotation was computed. [2018-12-02 06:15:03,995 INFO L444 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) (and .cse0 .cse2 .cse4)) (and (<= ~waterLevel~0 2) .cse3 .cse2 .cse4))) [2018-12-02 06:15:03,995 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 702) no Hoare annotation was computed. [2018-12-02 06:15:03,995 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse3 .cse1 .cse2 .cse4) (and (= ~systemActive~0 0) .cse0 .cse5 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse6 .cse3 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 06:15:03,995 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2018-12-02 06:15:03,995 INFO L448 ceAbstractionStarter]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2018-12-02 06:15:03,995 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 647 714) no Hoare annotation was computed. [2018-12-02 06:15:03,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:15:03,996 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-02 06:15:03,996 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:15:03,996 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2018-12-02 06:15:03,996 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2018-12-02 06:15:03,996 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 163 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-02 06:15:03,996 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 934 942) the Hoare annotation is: true [2018-12-02 06:15:03,996 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 934 942) no Hoare annotation was computed. [2018-12-02 06:15:03,996 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2018-12-02 06:15:03,996 INFO L448 ceAbstractionStarter]: For program point L242-1(line 242) no Hoare annotation was computed. [2018-12-02 06:15:03,996 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 235 253) no Hoare annotation was computed. [2018-12-02 06:15:03,996 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 235 253) the Hoare annotation is: true [2018-12-02 06:15:03,997 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 235 253) no Hoare annotation was computed. [2018-12-02 06:15:03,997 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 248) no Hoare annotation was computed. [2018-12-02 06:15:03,997 INFO L451 ceAbstractionStarter]: At program point L242(line 242) the Hoare annotation is: true [2018-12-02 06:15:03,997 INFO L448 ceAbstractionStarter]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2018-12-02 06:15:03,997 INFO L448 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2018-12-02 06:15:03,997 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 890 901) the Hoare annotation is: true [2018-12-02 06:15:03,997 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2018-12-02 06:15:03,997 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 717 746) no Hoare annotation was computed. [2018-12-02 06:15:03,997 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 717 746) the Hoare annotation is: true [2018-12-02 06:15:03,997 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2018-12-02 06:15:03,997 INFO L451 ceAbstractionStarter]: At program point L731-1(lines 731 735) the Hoare annotation is: true [2018-12-02 06:15:03,997 INFO L448 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2018-12-02 06:15:03,998 INFO L451 ceAbstractionStarter]: At program point L727-2(lines 727 741) the Hoare annotation is: true [2018-12-02 06:15:03,998 INFO L451 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: true [2018-12-02 06:15:03,998 INFO L448 ceAbstractionStarter]: For program point L723-1(line 723) no Hoare annotation was computed. [2018-12-02 06:15:03,998 INFO L451 ceAbstractionStarter]: At program point L742(lines 717 746) the Hoare annotation is: true [2018-12-02 06:15:03,998 INFO L448 ceAbstractionStarter]: For program point L738(line 738) no Hoare annotation was computed. [2018-12-02 06:15:03,998 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse2 .cse5)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 0 ~pumpRunning~0) .cse3 .cse5)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse8 .cse10) (or .cse1 (or .cse0 .cse8 .cse9) .cse11) (or (or .cse0 .cse8 .cse10) .cse11) (or .cse0 .cse8 .cse11 .cse4) (or (= 1 ~waterLevel~0) (or (or .cse8 .cse10) .cse7))))) [2018-12-02 06:15:03,998 INFO L444 ceAbstractionStarter]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse9 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse4 .cse8)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 ~pumpRunning~0) .cse5 .cse8)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 .cse3) (and .cse4 .cse5)) (or .cse6 (and .cse4 .cse5 .cse7 .cse8) .cse9 .cse10 .cse2 .cse11) (or .cse0 (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse1) (or .cse9 .cse10 .cse2 .cse3) (or .cse6 (or .cse1 .cse2 .cse11) .cse0) (or .cse1 .cse2 .cse0 .cse7) (or (= 1 ~waterLevel~0) (or (or .cse2 .cse3) .cse10))))) [2018-12-02 06:15:03,999 INFO L444 ceAbstractionStarter]: At program point L112(line 112) the Hoare annotation is: (let ((.cse6 (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= ~systemActive~0 0)) .cse0 .cse1) (or .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse2 .cse5 .cse6) (or .cse6 (or (or .cse2 .cse3) .cse4)) (or (or .cse1 .cse2 .cse5) .cse0))) [2018-12-02 06:15:03,999 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 103 129) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (let ((.cse5 (or .cse6 .cse2 .cse3)) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (and (= ~pumpRunning~0 1) .cse13)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse12 (not (= ~systemActive~0 0))) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse7 (and (= 0 ~pumpRunning~0) .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse4) (or .cse6 .cse2 .cse7 .cse8) (or .cse9 .cse5 .cse7) (or .cse10 (or (or .cse2 .cse11) .cse1)) (or .cse9 .cse1 .cse2 .cse3 .cse10) (or .cse4 .cse12 (or .cse6 .cse3) .cse0) (or .cse7 (or .cse6 .cse2 .cse11)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse6 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse8) (or .cse12 .cse0 .cse7 .cse6)))) [2018-12-02 06:15:03,999 INFO L448 ceAbstractionStarter]: For program point L110(lines 106 128) no Hoare annotation was computed. [2018-12-02 06:15:03,999 INFO L448 ceAbstractionStarter]: For program point L108(lines 106 128) no Hoare annotation was computed. [2018-12-02 06:15:03,999 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 103 129) no Hoare annotation was computed. [2018-12-02 06:15:03,999 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 103 129) no Hoare annotation was computed. [2018-12-02 06:15:03,999 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 866 877) the Hoare annotation is: (or (< 2 |old(~waterLevel~0)|) (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-02 06:15:03,999 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2018-12-02 06:15:04,000 INFO L448 ceAbstractionStarter]: For program point L870-1(lines 866 877) no Hoare annotation was computed. [2018-12-02 06:15:04,000 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 771 777) no Hoare annotation was computed. [2018-12-02 06:15:04,000 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 771 777) the Hoare annotation is: true [2018-12-02 06:15:04,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:15:04,000 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-02 06:15:04,000 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:15:04,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:15:04,000 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 269 276) no Hoare annotation was computed. [2018-12-02 06:15:04,000 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 269 276) the Hoare annotation is: true [2018-12-02 06:15:04,000 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 269 276) no Hoare annotation was computed. [2018-12-02 06:15:04,000 INFO L448 ceAbstractionStarter]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2018-12-02 06:15:04,000 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2018-12-02 06:15:04,001 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 878 889) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse4 .cse7)) (.cse1 (not (= ~systemActive~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse2 .cse6) (or .cse7 .cse8 .cse3 .cse6) (or (or .cse4 .cse7 (not (= |old(~waterLevel~0)| 1))) .cse3) (or .cse0 .cse5 .cse2 .cse3) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse7 .cse8 .cse2 .cse3)))) [2018-12-02 06:15:04,001 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-12-02 06:15:04,001 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-12-02 06:15:04,001 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-12-02 06:15:04,001 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-12-02 06:15:04,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:15:04 BoogieIcfgContainer [2018-12-02 06:15:04,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:15:04,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:15:04,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:15:04,012 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:15:04,013 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:14:52" (3/4) ... [2018-12-02 06:15:04,016 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:15:04,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 06:15:04,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 06:15:04,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-02 06:15:04,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-02 06:15:04,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-02 06:15:04,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:15:04,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 06:15:04,021 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 06:15:04,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 06:15:04,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 06:15:04,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 06:15:04,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 06:15:04,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 06:15:04,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 06:15:04,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 06:15:04,022 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 06:15:04,028 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-02 06:15:04,028 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 06:15:04,028 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 06:15:04,029 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 06:15:04,029 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 06:15:04,029 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 06:15:04,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-02 06:15:04,048 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 06:15:04,068 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a4453481-829c-4448-b45b-621ddb0b5435/bin-2019/utaipan/witness.graphml [2018-12-02 06:15:04,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:15:04,069 INFO L168 Benchmark]: Toolchain (without parser) took 12354.27 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 752.4 MB). Free memory was 952.4 MB in the beginning and 811.3 MB in the end (delta: 141.1 MB). Peak memory consumption was 893.4 MB. Max. memory is 11.5 GB. [2018-12-02 06:15:04,069 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:15:04,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 06:15:04,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:15:04,070 INFO L168 Benchmark]: Boogie Preprocessor took 24.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:15:04,070 INFO L168 Benchmark]: RCFGBuilder took 322.34 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: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:15:04,070 INFO L168 Benchmark]: TraceAbstraction took 11655.21 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 596.1 MB). Free memory was 1.1 GB in the beginning and 815.9 MB in the end (delta: 270.0 MB). Peak memory consumption was 866.1 MB. Max. memory is 11.5 GB. [2018-12-02 06:15:04,071 INFO L168 Benchmark]: Witness Printer took 56.17 ms. Allocated memory is still 1.8 GB. Free memory was 815.9 MB in the beginning and 811.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:15:04,072 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 322.34 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: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11655.21 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 596.1 MB). Free memory was 1.1 GB in the beginning and 815.9 MB in the end (delta: 270.0 MB). Peak memory consumption was 866.1 MB. Max. memory is 11.5 GB. * Witness Printer took 56.17 ms. Allocated memory is still 1.8 GB. Free memory was 815.9 MB in the beginning and 811.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 141 locations, 1 error locations. SAFE Result, 11.6s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1996 SDtfs, 1902 SDslu, 5985 SDs, 0 SdLazy, 4526 SolverSat, 910 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 994 GetRequests, 847 SyntacticMatches, 18 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1484occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 736 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 2662 PreInvPairs, 3013 NumberOfFragments, 2489 HoareAnnotationTreeSize, 2662 FomulaSimplifications, 30262 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 58 FomulaSimplificationsInter, 21052 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1684 NumberOfCodeBlocks, 1684 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2084 ConstructedInterpolants, 0 QuantifiedInterpolants, 605610 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2092 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 1409/1498 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...