./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_8427f220-0bf7-4d91-8143-4021529dfee5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/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_8427f220-0bf7-4d91-8143-4021529dfee5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/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 [2018-12-09 06:56:30,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:56:30,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:56:30,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:56:30,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:56:30,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:56:31,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:56:31,002 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:56:31,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:56:31,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:56:31,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:56:31,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:56:31,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:56:31,006 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:56:31,006 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:56:31,007 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:56:31,008 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:56:31,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:56:31,010 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:56:31,011 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:56:31,012 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:56:31,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:56:31,015 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:56:31,015 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:56:31,015 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:56:31,016 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:56:31,016 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:56:31,017 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:56:31,018 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:56:31,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:56:31,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:56:31,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:56:31,019 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:56:31,019 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:56:31,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:56:31,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:56:31,021 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 06:56:31,030 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:56:31,030 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:56:31,031 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:56:31,031 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:56:31,031 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:56:31,031 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:56:31,031 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:56:31,032 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 06:56:31,032 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:56:31,032 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:56:31,032 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 06:56:31,032 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 06:56:31,032 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:56:31,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:56:31,033 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:56:31,033 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:56:31,033 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:56:31,033 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:56:31,033 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:56:31,033 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:56:31,034 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:56:31,034 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:56:31,034 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:56:31,034 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:56:31,034 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:56:31,034 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:56:31,034 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:56:31,034 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:56:31,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:56:31,035 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:56:31,035 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:56:31,035 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:56:31,035 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 06:56:31,035 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:56:31,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 06:56:31,035 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 06:56:31,035 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_8427f220-0bf7-4d91-8143-4021529dfee5/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 [2018-12-09 06:56:31,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:56:31,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:56:31,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:56:31,070 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:56:31,071 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:56:31,071 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-12-09 06:56:31,109 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/bin-2019/utaipan/data/7b67f6e6c/7d35a46a85e7438ab978aa820c306360/FLAG6effda47e [2018-12-09 06:56:31,528 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:56:31,528 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-12-09 06:56:31,534 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/bin-2019/utaipan/data/7b67f6e6c/7d35a46a85e7438ab978aa820c306360/FLAG6effda47e [2018-12-09 06:56:31,542 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/bin-2019/utaipan/data/7b67f6e6c/7d35a46a85e7438ab978aa820c306360 [2018-12-09 06:56:31,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:56:31,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:56:31,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:56:31,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:56:31,547 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:56:31,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31, skipping insertion in model container [2018-12-09 06:56:31,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:56:31,572 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:56:31,718 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:56:31,758 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:56:31,800 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:56:31,816 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:56:31,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31 WrapperNode [2018-12-09 06:56:31,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:56:31,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:56:31,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:56:31,817 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:56:31,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:56:31,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:56:31,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:56:31,837 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:56:31,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (1/1) ... [2018-12-09 06:56:31,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:56:31,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:56:31,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:56:31,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:56:31,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/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 [2018-12-09 06:56:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 06:56:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 06:56:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:56:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:56:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 06:56:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 06:56:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 06:56:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 06:56:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 06:56:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 06:56:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 06:56:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 06:56:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 06:56:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 06:56:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 06:56:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 06:56:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 06:56:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 06:56:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 06:56:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 06:56:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 06:56:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 06:56:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 06:56:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 06:56:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 06:56:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 06:56:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 06:56:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 06:56:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 06:56:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 06:56:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 06:56:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 06:56:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 06:56:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 06:56:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 06:56:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 06:56:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 06:56:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 06:56:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 06:56:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 06:56:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 06:56:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 06:56:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 06:56:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 06:56:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 06:56:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 06:56:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 06:56:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 06:56:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 06:56:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 06:56:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:56:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:56:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 06:56:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 06:56:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 06:56:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 06:56:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:56:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:56:32,210 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:56:32,210 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 06:56:32,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:56:32 BoogieIcfgContainer [2018-12-09 06:56:32,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:56:32,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:56:32,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:56:32,213 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:56:32,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:56:31" (1/3) ... [2018-12-09 06:56:32,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1967537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:56:32, skipping insertion in model container [2018-12-09 06:56:32,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:56:31" (2/3) ... [2018-12-09 06:56:32,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1967537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:56:32, skipping insertion in model container [2018-12-09 06:56:32,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:56:32" (3/3) ... [2018-12-09 06:56:32,215 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-12-09 06:56:32,221 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:56:32,226 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 06:56:32,236 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 06:56:32,255 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:56:32,255 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 06:56:32,255 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:56:32,256 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:56:32,256 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:56:32,256 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:56:32,256 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:56:32,256 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:56:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-12-09 06:56:32,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 06:56:32,273 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:32,274 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] [2018-12-09 06:56:32,275 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:32,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:32,279 INFO L82 PathProgramCache]: Analyzing trace with hash 2005448145, now seen corresponding path program 1 times [2018-12-09 06:56:32,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:32,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:32,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:32,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:32,309 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 06:56:32,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:32,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:56:32,427 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:32,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 06:56:32,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 06:56:32,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 06:56:32,439 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-12-09 06:56:32,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:32,460 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-12-09 06:56:32,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 06:56:32,461 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 06:56:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:32,468 INFO L225 Difference]: With dead ends: 252 [2018-12-09 06:56:32,468 INFO L226 Difference]: Without dead ends: 128 [2018-12-09 06:56:32,470 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 [2018-12-09 06:56:32,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-12-09 06:56:32,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-12-09 06:56:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-09 06:56:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2018-12-09 06:56:32,501 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 59 [2018-12-09 06:56:32,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:32,501 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2018-12-09 06:56:32,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 06:56:32,502 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2018-12-09 06:56:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 06:56:32,504 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:32,504 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] [2018-12-09 06:56:32,504 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:32,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:32,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1713317249, now seen corresponding path program 1 times [2018-12-09 06:56:32,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:32,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:32,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:32,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:32,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 06:56:32,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:32,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:56:32,568 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:32,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:56:32,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:56:32,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:56:32,570 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2018-12-09 06:56:32,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:32,581 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2018-12-09 06:56:32,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:56:32,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 06:56:32,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:32,583 INFO L225 Difference]: With dead ends: 188 [2018-12-09 06:56:32,583 INFO L226 Difference]: Without dead ends: 119 [2018-12-09 06:56:32,584 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 [2018-12-09 06:56:32,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-09 06:56:32,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-09 06:56:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-09 06:56:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2018-12-09 06:56:32,591 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 60 [2018-12-09 06:56:32,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:32,592 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2018-12-09 06:56:32,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:56:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2018-12-09 06:56:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 06:56:32,593 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:32,593 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] [2018-12-09 06:56:32,593 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:32,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:32,594 INFO L82 PathProgramCache]: Analyzing trace with hash 377922771, now seen corresponding path program 1 times [2018-12-09 06:56:32,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:32,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:32,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:32,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:32,595 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 06:56:32,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:32,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 06:56:32,670 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:32,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:56:32,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:56:32,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:56:32,671 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 7 states. [2018-12-09 06:56:32,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:32,899 INFO L93 Difference]: Finished difference Result 357 states and 431 transitions. [2018-12-09 06:56:32,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 06:56:32,899 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-09 06:56:32,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:32,902 INFO L225 Difference]: With dead ends: 357 [2018-12-09 06:56:32,902 INFO L226 Difference]: Without dead ends: 266 [2018-12-09 06:56:32,903 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 [2018-12-09 06:56:32,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-12-09 06:56:32,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 242. [2018-12-09 06:56:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-12-09 06:56:32,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 290 transitions. [2018-12-09 06:56:32,929 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 290 transitions. Word has length 65 [2018-12-09 06:56:32,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:32,929 INFO L480 AbstractCegarLoop]: Abstraction has 242 states and 290 transitions. [2018-12-09 06:56:32,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:56:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 290 transitions. [2018-12-09 06:56:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 06:56:32,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:32,931 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] [2018-12-09 06:56:32,932 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:32,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:32,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1701726359, now seen corresponding path program 1 times [2018-12-09 06:56:32,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:32,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:32,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:32,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:32,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:33,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 06:56:33,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:33,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 06:56:33,035 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:33,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:56:33,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:56:33,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:56:33,036 INFO L87 Difference]: Start difference. First operand 242 states and 290 transitions. Second operand 7 states. [2018-12-09 06:56:33,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:33,367 INFO L93 Difference]: Finished difference Result 618 states and 791 transitions. [2018-12-09 06:56:33,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 06:56:33,368 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-09 06:56:33,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:33,370 INFO L225 Difference]: With dead ends: 618 [2018-12-09 06:56:33,370 INFO L226 Difference]: Without dead ends: 404 [2018-12-09 06:56:33,372 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 [2018-12-09 06:56:33,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-12-09 06:56:33,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 356. [2018-12-09 06:56:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-12-09 06:56:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 426 transitions. [2018-12-09 06:56:33,400 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 426 transitions. Word has length 70 [2018-12-09 06:56:33,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:33,400 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 426 transitions. [2018-12-09 06:56:33,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:56:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 426 transitions. [2018-12-09 06:56:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 06:56:33,401 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:33,402 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] [2018-12-09 06:56:33,402 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:33,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:33,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1235149811, now seen corresponding path program 1 times [2018-12-09 06:56:33,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:33,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:33,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:33,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:33,403 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 06:56:33,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:33,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 06:56:33,469 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:33,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 06:56:33,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 06:56:33,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:56:33,470 INFO L87 Difference]: Start difference. First operand 356 states and 426 transitions. Second operand 6 states. [2018-12-09 06:56:33,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:33,521 INFO L93 Difference]: Finished difference Result 694 states and 845 transitions. [2018-12-09 06:56:33,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 06:56:33,521 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-09 06:56:33,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:33,523 INFO L225 Difference]: With dead ends: 694 [2018-12-09 06:56:33,523 INFO L226 Difference]: Without dead ends: 366 [2018-12-09 06:56:33,524 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 [2018-12-09 06:56:33,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-12-09 06:56:33,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-12-09 06:56:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-12-09 06:56:33,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 436 transitions. [2018-12-09 06:56:33,543 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 436 transitions. Word has length 88 [2018-12-09 06:56:33,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:33,543 INFO L480 AbstractCegarLoop]: Abstraction has 366 states and 436 transitions. [2018-12-09 06:56:33,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 06:56:33,544 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 436 transitions. [2018-12-09 06:56:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 06:56:33,545 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:33,545 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] [2018-12-09 06:56:33,545 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:33,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:33,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1673614091, now seen corresponding path program 1 times [2018-12-09 06:56:33,546 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:33,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:33,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:33,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:33,547 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 06:56:33,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:33,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 06:56:33,634 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:33,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 06:56:33,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 06:56:33,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:56:33,634 INFO L87 Difference]: Start difference. First operand 366 states and 436 transitions. Second operand 8 states. [2018-12-09 06:56:33,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:33,655 INFO L93 Difference]: Finished difference Result 718 states and 880 transitions. [2018-12-09 06:56:33,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 06:56:33,655 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-12-09 06:56:33,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:33,657 INFO L225 Difference]: With dead ends: 718 [2018-12-09 06:56:33,657 INFO L226 Difference]: Without dead ends: 380 [2018-12-09 06:56:33,658 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 [2018-12-09 06:56:33,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-12-09 06:56:33,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2018-12-09 06:56:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-12-09 06:56:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 444 transitions. [2018-12-09 06:56:33,676 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 444 transitions. Word has length 88 [2018-12-09 06:56:33,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:33,677 INFO L480 AbstractCegarLoop]: Abstraction has 374 states and 444 transitions. [2018-12-09 06:56:33,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 06:56:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 444 transitions. [2018-12-09 06:56:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 06:56:33,678 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:33,678 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] [2018-12-09 06:56:33,678 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:33,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:33,679 INFO L82 PathProgramCache]: Analyzing trace with hash 437676278, now seen corresponding path program 1 times [2018-12-09 06:56:33,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:33,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:33,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:33,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:33,680 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 06:56:33,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:33,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 06:56:33,733 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:33,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 06:56:33,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 06:56:33,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 06:56:33,733 INFO L87 Difference]: Start difference. First operand 374 states and 444 transitions. Second operand 4 states. [2018-12-09 06:56:33,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:33,833 INFO L93 Difference]: Finished difference Result 1206 states and 1499 transitions. [2018-12-09 06:56:33,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 06:56:33,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-09 06:56:33,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:33,836 INFO L225 Difference]: With dead ends: 1206 [2018-12-09 06:56:33,836 INFO L226 Difference]: Without dead ends: 860 [2018-12-09 06:56:33,837 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 [2018-12-09 06:56:33,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2018-12-09 06:56:33,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 843. [2018-12-09 06:56:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2018-12-09 06:56:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1022 transitions. [2018-12-09 06:56:33,864 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1022 transitions. Word has length 88 [2018-12-09 06:56:33,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:33,864 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 1022 transitions. [2018-12-09 06:56:33,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 06:56:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1022 transitions. [2018-12-09 06:56:33,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 06:56:33,865 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:33,865 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] [2018-12-09 06:56:33,866 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:33,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:33,866 INFO L82 PathProgramCache]: Analyzing trace with hash 14404720, now seen corresponding path program 1 times [2018-12-09 06:56:33,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:33,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:33,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:33,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:33,867 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 06:56:33,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:33,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 06:56:33,962 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:33,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 06:56:33,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 06:56:33,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-09 06:56:33,962 INFO L87 Difference]: Start difference. First operand 843 states and 1022 transitions. Second operand 9 states. [2018-12-09 06:56:34,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:34,478 INFO L93 Difference]: Finished difference Result 2326 states and 2951 transitions. [2018-12-09 06:56:34,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 06:56:34,479 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2018-12-09 06:56:34,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:34,485 INFO L225 Difference]: With dead ends: 2326 [2018-12-09 06:56:34,486 INFO L226 Difference]: Without dead ends: 1687 [2018-12-09 06:56:34,488 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 [2018-12-09 06:56:34,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2018-12-09 06:56:34,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1484. [2018-12-09 06:56:34,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2018-12-09 06:56:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1780 transitions. [2018-12-09 06:56:34,555 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1780 transitions. Word has length 92 [2018-12-09 06:56:34,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:34,556 INFO L480 AbstractCegarLoop]: Abstraction has 1484 states and 1780 transitions. [2018-12-09 06:56:34,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 06:56:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1780 transitions. [2018-12-09 06:56:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 06:56:34,558 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:34,558 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] [2018-12-09 06:56:34,558 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:34,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:34,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1631321016, now seen corresponding path program 1 times [2018-12-09 06:56:34,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:34,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:34,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:34,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:34,559 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 06:56:34,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:56:34,653 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:56:34,654 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 06:56:34,655 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] [2018-12-09 06:56:34,679 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:56:34,679 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:56:35,492 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:56:35,493 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. [2018-12-09 06:56:35,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:35,499 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:56:35,499 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:56:35,499 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/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 [2018-12-09 06:56:35,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:35,518 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:56:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:35,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:56:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:56:35,704 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:56:35,873 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 06:56:35,898 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:56:35,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-09 06:56:35,899 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:56:35,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 06:56:35,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 06:56:35,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-09 06:56:35,900 INFO L87 Difference]: Start difference. First operand 1484 states and 1780 transitions. Second operand 16 states. [2018-12-09 06:56:36,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:36,525 INFO L93 Difference]: Finished difference Result 3173 states and 3956 transitions. [2018-12-09 06:56:36,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 06:56:36,525 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-12-09 06:56:36,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:36,532 INFO L225 Difference]: With dead ends: 3173 [2018-12-09 06:56:36,532 INFO L226 Difference]: Without dead ends: 1887 [2018-12-09 06:56:36,536 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 [2018-12-09 06:56:36,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2018-12-09 06:56:36,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1469. [2018-12-09 06:56:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1469 states. [2018-12-09 06:56:36,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1716 transitions. [2018-12-09 06:56:36,611 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1716 transitions. Word has length 136 [2018-12-09 06:56:36,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:36,612 INFO L480 AbstractCegarLoop]: Abstraction has 1469 states and 1716 transitions. [2018-12-09 06:56:36,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 06:56:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1716 transitions. [2018-12-09 06:56:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 06:56:36,615 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:36,615 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] [2018-12-09 06:56:36,615 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:36,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:36,615 INFO L82 PathProgramCache]: Analyzing trace with hash -536901051, now seen corresponding path program 1 times [2018-12-09 06:56:36,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:36,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:36,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:36,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:36,616 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:36,669 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-09 06:56:36,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:56:36,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:56:36,670 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:56:36,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:56:36,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:56:36,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:56:36,670 INFO L87 Difference]: Start difference. First operand 1469 states and 1716 transitions. Second operand 3 states. [2018-12-09 06:56:36,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:36,717 INFO L93 Difference]: Finished difference Result 2328 states and 2724 transitions. [2018-12-09 06:56:36,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:56:36,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2018-12-09 06:56:36,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:36,720 INFO L225 Difference]: With dead ends: 2328 [2018-12-09 06:56:36,720 INFO L226 Difference]: Without dead ends: 921 [2018-12-09 06:56:36,722 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 [2018-12-09 06:56:36,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2018-12-09 06:56:36,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 901. [2018-12-09 06:56:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2018-12-09 06:56:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1036 transitions. [2018-12-09 06:56:36,779 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1036 transitions. Word has length 244 [2018-12-09 06:56:36,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:36,779 INFO L480 AbstractCegarLoop]: Abstraction has 901 states and 1036 transitions. [2018-12-09 06:56:36,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:56:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1036 transitions. [2018-12-09 06:56:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-09 06:56:36,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:56:36,782 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] [2018-12-09 06:56:36,783 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 06:56:36,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:36,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1826128213, now seen corresponding path program 1 times [2018-12-09 06:56:36,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:56:36,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:36,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:36,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:56:36,784 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:56:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 124 proven. 14 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-12-09 06:56:36,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:56:36,878 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:56:36,878 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 280 with the following transitions: [2018-12-09 06:56:36,878 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] [2018-12-09 06:56:36,880 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:56:36,880 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:56:38,287 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:56:38,287 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. [2018-12-09 06:56:38,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:56:38,288 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:56:38,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:56:38,288 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/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 [2018-12-09 06:56:38,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:56:38,294 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:56:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:56:38,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:56:38,520 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 244 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-12-09 06:56:38,520 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:56:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-09 06:56:38,953 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:56:38,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-12-09 06:56:38,953 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:56:38,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 06:56:38,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 06:56:38,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2018-12-09 06:56:38,954 INFO L87 Difference]: Start difference. First operand 901 states and 1036 transitions. Second operand 19 states. [2018-12-09 06:56:40,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:56:40,115 INFO L93 Difference]: Finished difference Result 2292 states and 2938 transitions. [2018-12-09 06:56:40,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 06:56:40,115 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 279 [2018-12-09 06:56:40,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:56:40,116 INFO L225 Difference]: With dead ends: 2292 [2018-12-09 06:56:40,116 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 06:56:40,119 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 [2018-12-09 06:56:40,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 06:56:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 06:56:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 06:56:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 06:56:40,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 279 [2018-12-09 06:56:40,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:56:40,120 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 06:56:40,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 06:56:40,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 06:56:40,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 06:56:40,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 06:56:40,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 06:56:40,848 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2018-12-09 06:56:41,135 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2018-12-09 06:56:41,326 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-12-09 06:56:41,563 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2018-12-09 06:56:42,082 WARN L180 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 53 [2018-12-09 06:56:42,657 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-09 06:56:43,162 WARN L180 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2018-12-09 06:56:43,301 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2018-12-09 06:56:43,416 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-12-09 06:56:43,850 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2018-12-09 06:56:43,986 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 06:56:43,986 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 06:56:43,986 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 06:56:43,986 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 06:56:43,986 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 06:56:43,986 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))) [2018-12-09 06:56:43,986 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 816 823) no Hoare annotation was computed. [2018-12-09 06:56:43,986 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 816 823) no Hoare annotation was computed. [2018-12-09 06:56:43,986 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))))) [2018-12-09 06:56:43,986 INFO L448 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-12-09 06:56:43,986 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 824 833) no Hoare annotation was computed. [2018-12-09 06:56:43,986 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 824 833) no Hoare annotation was computed. [2018-12-09 06:56:43,986 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))) [2018-12-09 06:56:43,986 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 834 862) the Hoare annotation is: true [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 856) no Hoare annotation was computed. [2018-12-09 06:56:43,987 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))) [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 834 862) no Hoare annotation was computed. [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 859) no Hoare annotation was computed. [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point L842-1(lines 834 862) no Hoare annotation was computed. [2018-12-09 06:56:43,987 INFO L451 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: true [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2018-12-09 06:56:43,987 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))) [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point L800(lines 800 807) no Hoare annotation was computed. [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point L800-1(lines 800 807) no Hoare annotation was computed. [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2018-12-09 06:56:43,987 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))) [2018-12-09 06:56:43,987 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))) [2018-12-09 06:56:43,987 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))) [2018-12-09 06:56:43,987 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))) [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 790 812) no Hoare annotation was computed. [2018-12-09 06:56:43,987 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 790 812) no Hoare annotation was computed. [2018-12-09 06:56:43,988 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))) [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 254 268) no Hoare annotation was computed. [2018-12-09 06:56:43,988 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)))) [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 254 268) no Hoare annotation was computed. [2018-12-09 06:56:43,988 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))))) [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 190 198) no Hoare annotation was computed. [2018-12-09 06:56:43,988 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 190 198) the Hoare annotation is: true [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 190 198) no Hoare annotation was computed. [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 06:56:43,988 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 06:56:43,988 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))) [2018-12-09 06:56:43,988 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))) [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 779 789) no Hoare annotation was computed. [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 779 789) no Hoare annotation was computed. [2018-12-09 06:56:43,988 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)) [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2018-12-09 06:56:43,988 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-12-09 06:56:43,989 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 943 956) the Hoare annotation is: true [2018-12-09 06:56:43,989 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 943 956) no Hoare annotation was computed. [2018-12-09 06:56:43,989 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)))) [2018-12-09 06:56:43,989 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 138 162) no Hoare annotation was computed. [2018-12-09 06:56:43,989 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)))) [2018-12-09 06:56:43,989 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 138 162) no Hoare annotation was computed. [2018-12-09 06:56:43,989 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))))) [2018-12-09 06:56:43,989 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)))))) [2018-12-09 06:56:43,989 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 154) no Hoare annotation was computed. [2018-12-09 06:56:43,989 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)))))) [2018-12-09 06:56:43,989 INFO L448 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2018-12-09 06:56:43,989 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 159) no Hoare annotation was computed. [2018-12-09 06:56:43,989 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 130 136) no Hoare annotation was computed. [2018-12-09 06:56:43,989 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 130 136) the Hoare annotation is: true [2018-12-09 06:56:43,989 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)))) [2018-12-09 06:56:43,989 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))) [2018-12-09 06:56:43,990 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))))) [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 673) no Hoare annotation was computed. [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 647 714) no Hoare annotation was computed. [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2018-12-09 06:56:43,990 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))) [2018-12-09 06:56:43,990 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))))) [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2018-12-09 06:56:43,990 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)))) [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point L658(lines 657 706) no Hoare annotation was computed. [2018-12-09 06:56:43,990 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))) [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 702) no Hoare annotation was computed. [2018-12-09 06:56:43,990 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)))) [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 647 714) no Hoare annotation was computed. [2018-12-09 06:56:43,990 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:56:43,990 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)) [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2018-12-09 06:56:43,991 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))) [2018-12-09 06:56:43,991 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 934 942) the Hoare annotation is: true [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 934 942) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point L242-1(line 242) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 235 253) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 235 253) the Hoare annotation is: true [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 235 253) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 248) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L451 ceAbstractionStarter]: At program point L242(line 242) the Hoare annotation is: true [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 890 901) the Hoare annotation is: true [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 717 746) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 717 746) the Hoare annotation is: true [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L451 ceAbstractionStarter]: At program point L731-1(lines 731 735) the Hoare annotation is: true [2018-12-09 06:56:43,991 INFO L448 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2018-12-09 06:56:43,991 INFO L451 ceAbstractionStarter]: At program point L727-2(lines 727 741) the Hoare annotation is: true [2018-12-09 06:56:43,991 INFO L451 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: true [2018-12-09 06:56:43,992 INFO L448 ceAbstractionStarter]: For program point L723-1(line 723) no Hoare annotation was computed. [2018-12-09 06:56:43,992 INFO L451 ceAbstractionStarter]: At program point L742(lines 717 746) the Hoare annotation is: true [2018-12-09 06:56:43,992 INFO L448 ceAbstractionStarter]: For program point L738(line 738) no Hoare annotation was computed. [2018-12-09 06:56:43,992 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))))) [2018-12-09 06:56:43,992 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))))) [2018-12-09 06:56:43,992 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))) [2018-12-09 06:56:43,992 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)))) [2018-12-09 06:56:43,992 INFO L448 ceAbstractionStarter]: For program point L110(lines 106 128) no Hoare annotation was computed. [2018-12-09 06:56:43,992 INFO L448 ceAbstractionStarter]: For program point L108(lines 106 128) no Hoare annotation was computed. [2018-12-09 06:56:43,992 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 103 129) no Hoare annotation was computed. [2018-12-09 06:56:43,992 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 103 129) no Hoare annotation was computed. [2018-12-09 06:56:43,992 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)) [2018-12-09 06:56:43,992 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2018-12-09 06:56:43,992 INFO L448 ceAbstractionStarter]: For program point L870-1(lines 866 877) no Hoare annotation was computed. [2018-12-09 06:56:43,992 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 771 777) no Hoare annotation was computed. [2018-12-09 06:56:43,993 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 771 777) the Hoare annotation is: true [2018-12-09 06:56:43,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 06:56:43,993 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)) [2018-12-09 06:56:43,993 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 06:56:43,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 06:56:43,993 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 269 276) no Hoare annotation was computed. [2018-12-09 06:56:43,993 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 269 276) the Hoare annotation is: true [2018-12-09 06:56:43,993 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 269 276) no Hoare annotation was computed. [2018-12-09 06:56:43,993 INFO L448 ceAbstractionStarter]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2018-12-09 06:56:43,993 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2018-12-09 06:56:43,993 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)))) [2018-12-09 06:56:43,993 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-12-09 06:56:43,993 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-12-09 06:56:43,993 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-12-09 06:56:43,993 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-12-09 06:56:44,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:56:44 BoogieIcfgContainer [2018-12-09 06:56:44,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:56:44,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:56:44,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:56:44,002 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:56:44,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:56:32" (3/4) ... [2018-12-09 06:56:44,004 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 06:56:44,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 06:56:44,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 06:56:44,013 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 06:56:44,013 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 06:56:44,013 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 06:56:44,013 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 06:56:44,014 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 06:56:44,014 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 06:56:44,030 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) [2018-12-09 06:56:44,030 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 06:56:44,049 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8427f220-0bf7-4d91-8143-4021529dfee5/bin-2019/utaipan/witness.graphml [2018-12-09 06:56:44,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:56:44,050 INFO L168 Benchmark]: Toolchain (without parser) took 12505.93 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 813.7 MB). Free memory was 951.3 MB in the beginning and 974.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 790.2 MB. Max. memory is 11.5 GB. [2018-12-09 06:56:44,050 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-09 06:56:44,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:56:44,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.87 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. [2018-12-09 06:56:44,050 INFO L168 Benchmark]: Boogie Preprocessor took 22.21 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. [2018-12-09 06:56:44,050 INFO L168 Benchmark]: RCFGBuilder took 351.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-12-09 06:56:44,051 INFO L168 Benchmark]: TraceAbstraction took 11790.24 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 670.6 MB). Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 106.2 MB). Peak memory consumption was 796.5 MB. Max. memory is 11.5 GB. [2018-12-09 06:56:44,051 INFO L168 Benchmark]: Witness Printer took 47.71 ms. Allocated memory is still 1.8 GB. Free memory was 975.1 MB in the beginning and 974.8 MB in the end (delta: 311.0 kB). Peak memory consumption was 311.0 kB. Max. memory is 11.5 GB. [2018-12-09 06:56:44,052 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.87 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 22.21 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 351.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11790.24 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 670.6 MB). Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 106.2 MB). Peak memory consumption was 796.5 MB. Max. memory is 11.5 GB. * Witness Printer took 47.71 ms. Allocated memory is still 1.8 GB. Free memory was 975.1 MB in the beginning and 974.8 MB in the end (delta: 311.0 kB). Peak memory consumption was 311.0 kB. 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, 11.7s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1996 SDtfs, 1902 SDslu, 5985 SDs, 0 SdLazy, 4526 SolverSat, 910 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s 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, 2.2s 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, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s 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...