./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/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 e8e2fe939766c7a542c760a74550866c5b83d51d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:17:11,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:17:11,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:17:11,996 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:17:11,996 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:17:11,997 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:17:11,997 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:17:12,000 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:17:12,001 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:17:12,001 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:17:12,002 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:17:12,002 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:17:12,003 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:17:12,004 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:17:12,005 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:17:12,005 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:17:12,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:17:12,007 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:17:12,008 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:17:12,009 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:17:12,010 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:17:12,011 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:17:12,013 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:17:12,013 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:17:12,013 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:17:12,014 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:17:12,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:17:12,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:17:12,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:17:12,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:17:12,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:17:12,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:17:12,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:17:12,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:17:12,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:17:12,019 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:17:12,020 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:17:12,030 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:17:12,030 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:17:12,031 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:17:12,031 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:17:12,031 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:17:12,031 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:17:12,031 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:17:12,031 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:17:12,032 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:17:12,032 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:17:12,032 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:17:12,032 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:17:12,032 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:17:12,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:17:12,033 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:17:12,033 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:17:12,033 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:17:12,033 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:17:12,033 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:17:12,033 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:17:12,033 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:17:12,034 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:17:12,034 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:17:12,034 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:17:12,034 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:17:12,034 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:17:12,034 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:17:12,034 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:17:12,035 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:17:12,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:17:12,035 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:17:12,035 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:17:12,035 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:17:12,037 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:17:12,038 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:17:12,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:17:12,038 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:17:12,038 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_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/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 -> e8e2fe939766c7a542c760a74550866c5b83d51d [2018-11-18 14:17:12,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:17:12,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:17:12,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:17:12,075 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:17:12,075 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:17:12,076 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-18 14:17:12,114 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/data/f8c9bd02a/7463d5e5f5574cf496f792580522817a/FLAG2a7bf3829 [2018-11-18 14:17:12,501 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:17:12,502 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/sv-benchmarks/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-18 14:17:12,511 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/data/f8c9bd02a/7463d5e5f5574cf496f792580522817a/FLAG2a7bf3829 [2018-11-18 14:17:12,882 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/data/f8c9bd02a/7463d5e5f5574cf496f792580522817a [2018-11-18 14:17:12,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:17:12,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:17:12,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:17:12,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:17:12,887 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:17:12,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:17:12" (1/1) ... [2018-11-18 14:17:12,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61772b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:12, skipping insertion in model container [2018-11-18 14:17:12,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:17:12" (1/1) ... [2018-11-18 14:17:12,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:17:12,930 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:17:13,163 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:17:13,171 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:17:13,252 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:17:13,276 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:17:13,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13 WrapperNode [2018-11-18 14:17:13,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:17:13,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:17:13,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:17:13,277 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:17:13,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (1/1) ... [2018-11-18 14:17:13,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (1/1) ... [2018-11-18 14:17:13,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:17:13,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:17:13,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:17:13,356 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:17:13,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (1/1) ... [2018-11-18 14:17:13,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (1/1) ... [2018-11-18 14:17:13,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (1/1) ... [2018-11-18 14:17:13,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (1/1) ... [2018-11-18 14:17:13,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (1/1) ... [2018-11-18 14:17:13,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (1/1) ... [2018-11-18 14:17:13,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (1/1) ... [2018-11-18 14:17:13,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:17:13,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:17:13,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:17:13,387 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:17:13,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:17:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:17:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:17:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:17:13,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:17:13,436 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 14:17:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 14:17:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:17:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:17:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:17:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:17:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:17:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 14:17:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 14:17:13,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:17:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:17:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:17:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:17:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:17:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:17:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 14:17:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 14:17:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 14:17:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 14:17:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 14:17:13,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 14:17:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 14:17:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 14:17:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:17:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:17:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:17:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:17:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:17:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:17:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:17:13,440 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:17:13,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:17:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:17:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 14:17:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 14:17:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:17:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:17:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:17:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:17:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:17:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:17:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 14:17:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 14:17:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 14:17:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 14:17:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 14:17:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 14:17:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:17:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:17:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:17:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:17:13,442 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:17:13,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:17:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:17:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:17:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:17:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:17:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:17:13,443 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:17:13,443 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:17:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:17:13,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:17:13,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:17:14,194 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:17:14,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:17:14 BoogieIcfgContainer [2018-11-18 14:17:14,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:17:14,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:17:14,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:17:14,199 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:17:14,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:17:12" (1/3) ... [2018-11-18 14:17:14,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33006bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:17:14, skipping insertion in model container [2018-11-18 14:17:14,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:17:13" (2/3) ... [2018-11-18 14:17:14,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33006bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:17:14, skipping insertion in model container [2018-11-18 14:17:14,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:17:14" (3/3) ... [2018-11-18 14:17:14,203 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-18 14:17:14,211 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:17:14,221 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:17:14,235 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:17:14,266 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:17:14,266 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:17:14,266 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:17:14,266 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:17:14,266 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:17:14,267 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:17:14,267 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:17:14,267 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:17:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-11-18 14:17:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 14:17:14,290 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:14,290 INFO L375 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] [2018-11-18 14:17:14,292 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:14,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:14,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1997986773, now seen corresponding path program 1 times [2018-11-18 14:17:14,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:14,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:14,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:14,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:14,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:14,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:17:14,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:14,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:17:14,548 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:17:14,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:17:14,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:17:14,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:17:14,566 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-11-18 14:17:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:14,602 INFO L93 Difference]: Finished difference Result 314 states and 381 transitions. [2018-11-18 14:17:14,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:17:14,603 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 14:17:14,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:14,614 INFO L225 Difference]: With dead ends: 314 [2018-11-18 14:17:14,614 INFO L226 Difference]: Without dead ends: 159 [2018-11-18 14:17:14,617 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:17:14,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-18 14:17:14,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-18 14:17:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-18 14:17:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 184 transitions. [2018-11-18 14:17:14,667 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 184 transitions. Word has length 59 [2018-11-18 14:17:14,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:14,667 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 184 transitions. [2018-11-18 14:17:14,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:17:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 184 transitions. [2018-11-18 14:17:14,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 14:17:14,670 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:14,670 INFO L375 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] [2018-11-18 14:17:14,671 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:14,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:14,671 INFO L82 PathProgramCache]: Analyzing trace with hash 165336654, now seen corresponding path program 1 times [2018-11-18 14:17:14,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:14,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:14,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:14,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:14,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:17:14,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:14,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:17:14,811 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:17:14,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:17:14,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:17:14,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:17:14,813 INFO L87 Difference]: Start difference. First operand 159 states and 184 transitions. Second operand 3 states. [2018-11-18 14:17:14,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:14,847 INFO L93 Difference]: Finished difference Result 257 states and 297 transitions. [2018-11-18 14:17:14,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:17:14,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 14:17:14,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:14,849 INFO L225 Difference]: With dead ends: 257 [2018-11-18 14:17:14,849 INFO L226 Difference]: Without dead ends: 149 [2018-11-18 14:17:14,850 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:17:14,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-18 14:17:14,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-18 14:17:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 14:17:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 171 transitions. [2018-11-18 14:17:14,864 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 171 transitions. Word has length 61 [2018-11-18 14:17:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:14,865 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 171 transitions. [2018-11-18 14:17:14,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:17:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 171 transitions. [2018-11-18 14:17:14,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 14:17:14,868 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:14,868 INFO L375 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] [2018-11-18 14:17:14,868 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:14,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:14,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1291469063, now seen corresponding path program 1 times [2018-11-18 14:17:14,869 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:14,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:14,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:14,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:14,869 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:17:15,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:15,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:17:15,083 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:17:15,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:17:15,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:17:15,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:17:15,084 INFO L87 Difference]: Start difference. First operand 149 states and 171 transitions. Second operand 7 states. [2018-11-18 14:17:15,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:15,990 INFO L93 Difference]: Finished difference Result 270 states and 315 transitions. [2018-11-18 14:17:15,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:17:15,991 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 14:17:15,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:15,993 INFO L225 Difference]: With dead ends: 270 [2018-11-18 14:17:15,993 INFO L226 Difference]: Without dead ends: 149 [2018-11-18 14:17:15,994 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:17:15,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-18 14:17:16,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-18 14:17:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 14:17:16,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 170 transitions. [2018-11-18 14:17:16,004 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 170 transitions. Word has length 66 [2018-11-18 14:17:16,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:16,006 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 170 transitions. [2018-11-18 14:17:16,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:17:16,006 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 170 transitions. [2018-11-18 14:17:16,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 14:17:16,007 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:16,008 INFO L375 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] [2018-11-18 14:17:16,008 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:16,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:16,008 INFO L82 PathProgramCache]: Analyzing trace with hash -875137142, now seen corresponding path program 1 times [2018-11-18 14:17:16,008 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:16,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:16,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:16,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:16,009 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:16,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:17:16,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:16,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:17:16,166 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:17:16,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:17:16,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:17:16,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:17:16,167 INFO L87 Difference]: Start difference. First operand 149 states and 170 transitions. Second operand 5 states. [2018-11-18 14:17:16,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:16,751 INFO L93 Difference]: Finished difference Result 380 states and 453 transitions. [2018-11-18 14:17:16,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:17:16,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2018-11-18 14:17:16,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:16,753 INFO L225 Difference]: With dead ends: 380 [2018-11-18 14:17:16,753 INFO L226 Difference]: Without dead ends: 259 [2018-11-18 14:17:16,754 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:17:16,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-11-18 14:17:16,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 239. [2018-11-18 14:17:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-11-18 14:17:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 272 transitions. [2018-11-18 14:17:16,777 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 272 transitions. Word has length 79 [2018-11-18 14:17:16,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:16,778 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 272 transitions. [2018-11-18 14:17:16,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:17:16,778 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 272 transitions. [2018-11-18 14:17:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 14:17:16,779 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:16,779 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:16,780 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:16,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:16,780 INFO L82 PathProgramCache]: Analyzing trace with hash -757970975, now seen corresponding path program 1 times [2018-11-18 14:17:16,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:16,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:16,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:16,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:16,781 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 14:17:17,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:17,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:17:17,000 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:17:17,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:17:17,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:17:17,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:17:17,001 INFO L87 Difference]: Start difference. First operand 239 states and 272 transitions. Second operand 7 states. [2018-11-18 14:17:17,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:17,520 INFO L93 Difference]: Finished difference Result 469 states and 550 transitions. [2018-11-18 14:17:17,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 14:17:17,520 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-18 14:17:17,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:17,522 INFO L225 Difference]: With dead ends: 469 [2018-11-18 14:17:17,522 INFO L226 Difference]: Without dead ends: 258 [2018-11-18 14:17:17,529 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:17:17,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-11-18 14:17:17,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 238. [2018-11-18 14:17:17,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-11-18 14:17:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 269 transitions. [2018-11-18 14:17:17,546 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 269 transitions. Word has length 93 [2018-11-18 14:17:17,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:17,546 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 269 transitions. [2018-11-18 14:17:17,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:17:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 269 transitions. [2018-11-18 14:17:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 14:17:17,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:17,548 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:17,548 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:17,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:17,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1298314942, now seen corresponding path program 1 times [2018-11-18 14:17:17,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:17,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:17,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:17,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:17,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:17,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:17:17,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:17,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:17:17,631 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:17:17,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:17:17,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:17:17,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:17:17,632 INFO L87 Difference]: Start difference. First operand 238 states and 269 transitions. Second operand 6 states. [2018-11-18 14:17:17,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:17,663 INFO L93 Difference]: Finished difference Result 455 states and 526 transitions. [2018-11-18 14:17:17,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:17:17,664 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-18 14:17:17,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:17,666 INFO L225 Difference]: With dead ends: 455 [2018-11-18 14:17:17,666 INFO L226 Difference]: Without dead ends: 245 [2018-11-18 14:17:17,667 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:17:17,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-11-18 14:17:17,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 243. [2018-11-18 14:17:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-11-18 14:17:17,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 274 transitions. [2018-11-18 14:17:17,687 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 274 transitions. Word has length 109 [2018-11-18 14:17:17,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:17,688 INFO L480 AbstractCegarLoop]: Abstraction has 243 states and 274 transitions. [2018-11-18 14:17:17,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:17:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 274 transitions. [2018-11-18 14:17:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 14:17:17,689 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:17,689 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:17,689 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:17,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:17,690 INFO L82 PathProgramCache]: Analyzing trace with hash 629957760, now seen corresponding path program 1 times [2018-11-18 14:17:17,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:17,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:17,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:17,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:17,691 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:17:17,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:17,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 14:17:17,783 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:17:17,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:17:17,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:17:17,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:17:17,784 INFO L87 Difference]: Start difference. First operand 243 states and 274 transitions. Second operand 8 states. [2018-11-18 14:17:17,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:17,822 INFO L93 Difference]: Finished difference Result 465 states and 537 transitions. [2018-11-18 14:17:17,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:17:17,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2018-11-18 14:17:17,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:17,824 INFO L225 Difference]: With dead ends: 465 [2018-11-18 14:17:17,824 INFO L226 Difference]: Without dead ends: 250 [2018-11-18 14:17:17,825 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:17:17,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-11-18 14:17:17,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 247. [2018-11-18 14:17:17,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-18 14:17:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 278 transitions. [2018-11-18 14:17:17,835 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 278 transitions. Word has length 109 [2018-11-18 14:17:17,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:17,836 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 278 transitions. [2018-11-18 14:17:17,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:17:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 278 transitions. [2018-11-18 14:17:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 14:17:17,837 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:17,837 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:17,837 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:17,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:17,838 INFO L82 PathProgramCache]: Analyzing trace with hash 389417631, now seen corresponding path program 1 times [2018-11-18 14:17:17,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:17,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:17,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:17,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:17,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:17:17,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:17,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:17:17,919 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:17:17,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:17:17,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:17:17,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:17:17,920 INFO L87 Difference]: Start difference. First operand 247 states and 278 transitions. Second operand 4 states. [2018-11-18 14:17:18,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:18,123 INFO L93 Difference]: Finished difference Result 708 states and 834 transitions. [2018-11-18 14:17:18,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:17:18,123 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-18 14:17:18,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:18,125 INFO L225 Difference]: With dead ends: 708 [2018-11-18 14:17:18,125 INFO L226 Difference]: Without dead ends: 489 [2018-11-18 14:17:18,126 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:17:18,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-11-18 14:17:18,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 480. [2018-11-18 14:17:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2018-11-18 14:17:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 555 transitions. [2018-11-18 14:17:18,152 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 555 transitions. Word has length 109 [2018-11-18 14:17:18,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:18,153 INFO L480 AbstractCegarLoop]: Abstraction has 480 states and 555 transitions. [2018-11-18 14:17:18,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:17:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 555 transitions. [2018-11-18 14:17:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 14:17:18,154 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:18,154 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:18,155 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:18,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:18,155 INFO L82 PathProgramCache]: Analyzing trace with hash 933660953, now seen corresponding path program 1 times [2018-11-18 14:17:18,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:18,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:18,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:18,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:18,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:17:18,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:17:18,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 14:17:18,317 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:17:18,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:17:18,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:17:18,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:17:18,317 INFO L87 Difference]: Start difference. First operand 480 states and 555 transitions. Second operand 9 states. [2018-11-18 14:17:19,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:19,107 INFO L93 Difference]: Finished difference Result 1267 states and 1528 transitions. [2018-11-18 14:17:19,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 14:17:19,109 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2018-11-18 14:17:19,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:19,113 INFO L225 Difference]: With dead ends: 1267 [2018-11-18 14:17:19,113 INFO L226 Difference]: Without dead ends: 888 [2018-11-18 14:17:19,115 INFO L604 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 [2018-11-18 14:17:19,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2018-11-18 14:17:19,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 807. [2018-11-18 14:17:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-11-18 14:17:19,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 922 transitions. [2018-11-18 14:17:19,159 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 922 transitions. Word has length 113 [2018-11-18 14:17:19,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:19,159 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 922 transitions. [2018-11-18 14:17:19,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:17:19,159 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 922 transitions. [2018-11-18 14:17:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 14:17:19,161 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:19,162 INFO L375 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:19,162 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:19,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:19,162 INFO L82 PathProgramCache]: Analyzing trace with hash 852164096, now seen corresponding path program 1 times [2018-11-18 14:17:19,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:19,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:19,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:19,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:19,163 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:19,310 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:17:19,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:19,311 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:17:19,311 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-11-18 14:17:19,313 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [71], [74], [76], [82], [86], [89], [90], [94], [95], [96], [97], [101], [107], [111], [115], [118], [121], [123], [129], [131], [137], [140], [150], [151], [152], [153], [154], [155], [156], [158], [163], [166], [167], [169], [174], [176], [177], [178], [179], [190], [193], [197], [203], [231], [232], [235], [239], [240], [244], [247], [249], [252], [259], [262], [267], [271], [272], [275], [276], [277], [278], [279], [280], [281], [283], [284], [285], [286], [287], [288], [289], [290], [291], [293], [294], [295], [296], [297], [299], [300], [301], [302], [305], [306], [307], [308], [309], [310], [315], [316], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [337], [338], [339], [341], [342], [343], [344], [347], [348] [2018-11-18 14:17:19,342 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:17:19,343 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:17:20,566 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:17:20,567 INFO L272 AbstractInterpreter]: Visited 142 different actions 646 times. Merged at 17 different actions 48 times. Never widened. Performed 21014 root evaluator evaluations with a maximum evaluation depth of 5. Performed 21014 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 14:17:20,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:20,576 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:17:20,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:20,576 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:17:20,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:20,613 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:17:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:20,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:17:20,818 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:17:20,819 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:17:21,102 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:17:21,119 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:17:21,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 14:17:21,120 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:17:21,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 14:17:21,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 14:17:21,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:17:21,121 INFO L87 Difference]: Start difference. First operand 807 states and 922 transitions. Second operand 16 states. [2018-11-18 14:17:22,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:22,066 INFO L93 Difference]: Finished difference Result 1831 states and 2168 transitions. [2018-11-18 14:17:22,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 14:17:22,067 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 176 [2018-11-18 14:17:22,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:22,071 INFO L225 Difference]: With dead ends: 1831 [2018-11-18 14:17:22,072 INFO L226 Difference]: Without dead ends: 1123 [2018-11-18 14:17:22,074 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 344 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 14:17:22,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2018-11-18 14:17:22,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 978. [2018-11-18 14:17:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-11-18 14:17:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1127 transitions. [2018-11-18 14:17:22,140 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1127 transitions. Word has length 176 [2018-11-18 14:17:22,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:22,141 INFO L480 AbstractCegarLoop]: Abstraction has 978 states and 1127 transitions. [2018-11-18 14:17:22,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 14:17:22,141 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1127 transitions. [2018-11-18 14:17:22,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 14:17:22,146 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:22,146 INFO L375 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:17:22,146 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:22,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:22,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1309792772, now seen corresponding path program 1 times [2018-11-18 14:17:22,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:22,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:22,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:22,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:22,148 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 103 proven. 16 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-11-18 14:17:22,312 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:22,312 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:17:22,312 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 316 with the following transitions: [2018-11-18 14:17:22,313 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [76], [79], [82], [86], [89], [90], [94], [95], [96], [97], [101], [107], [111], [115], [118], [121], [123], [129], [131], [137], [140], [150], [151], [152], [153], [154], [155], [156], [158], [163], [166], [167], [169], [174], [176], [177], [178], [179], [190], [193], [197], [203], [231], [232], [235], [239], [240], [244], [247], [249], [252], [259], [262], [267], [269], [271], [272], [275], [276], [277], [278], [279], [280], [281], [283], [284], [285], [286], [287], [288], [289], [290], [291], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [315], [316], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [337], [338], [339], [341], [342], [343], [344], [347], [348] [2018-11-18 14:17:22,316 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:17:22,317 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:17:24,046 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:17:24,046 INFO L272 AbstractInterpreter]: Visited 148 different actions 1024 times. Merged at 23 different actions 98 times. Never widened. Performed 38924 root evaluator evaluations with a maximum evaluation depth of 5. Performed 38924 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 19 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-18 14:17:24,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:24,047 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:17:24,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:24,048 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:17:24,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:24,054 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:17:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:24,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:17:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 224 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 14:17:24,341 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:17:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 83 proven. 34 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-18 14:17:24,937 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:17:24,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 14:17:24,938 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:17:24,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 14:17:24,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 14:17:24,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 14:17:24,939 INFO L87 Difference]: Start difference. First operand 978 states and 1127 transitions. Second operand 18 states. [2018-11-18 14:17:26,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:26,852 INFO L93 Difference]: Finished difference Result 2602 states and 3167 transitions. [2018-11-18 14:17:26,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 14:17:26,852 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 315 [2018-11-18 14:17:26,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:26,856 INFO L225 Difference]: With dead ends: 2602 [2018-11-18 14:17:26,856 INFO L226 Difference]: Without dead ends: 1414 [2018-11-18 14:17:26,858 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 675 GetRequests, 618 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 14:17:26,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2018-11-18 14:17:26,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1295. [2018-11-18 14:17:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2018-11-18 14:17:26,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1476 transitions. [2018-11-18 14:17:26,904 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1476 transitions. Word has length 315 [2018-11-18 14:17:26,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:26,904 INFO L480 AbstractCegarLoop]: Abstraction has 1295 states and 1476 transitions. [2018-11-18 14:17:26,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 14:17:26,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1476 transitions. [2018-11-18 14:17:26,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-11-18 14:17:26,908 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:17:26,909 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 14:17:26,909 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:17:26,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:26,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1845785654, now seen corresponding path program 1 times [2018-11-18 14:17:26,909 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:17:26,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:26,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:26,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:17:26,910 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:17:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 117 proven. 17 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2018-11-18 14:17:27,079 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:27,079 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:17:27,079 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 398 with the following transitions: [2018-11-18 14:17:27,079 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [57], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [76], [79], [82], [86], [89], [90], [93], [94], [95], [96], [97], [101], [107], [111], [115], [118], [121], [123], [129], [131], [137], [140], [150], [151], [152], [153], [154], [155], [156], [158], [163], [166], [167], [169], [172], [174], [176], [177], [178], [179], [190], [193], [197], [203], [231], [232], [235], [239], [240], [244], [247], [249], [252], [255], [259], [262], [267], [271], [272], [275], [276], [277], [278], [279], [280], [281], [283], [284], [285], [286], [287], [288], [289], [290], [291], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [315], [316], [319], [320], [321], [322], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [337], [338], [339], [341], [342], [343], [344], [345], [346], [347], [348] [2018-11-18 14:17:27,082 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:17:27,082 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:17:28,729 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:17:28,730 INFO L272 AbstractInterpreter]: Visited 154 different actions 1175 times. Merged at 40 different actions 253 times. Widened at 1 different actions 2 times. Performed 39620 root evaluator evaluations with a maximum evaluation depth of 5. Performed 39620 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 52 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-18 14:17:28,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:17:28,735 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:17:28,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:17:28,735 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:17:28,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:17:28,744 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:17:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:17:28,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:17:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2018-11-18 14:17:28,957 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:17:29,368 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 117 proven. 17 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2018-11-18 14:17:29,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:17:29,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 14:17:29,384 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:17:29,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:17:29,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:17:29,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:17:29,385 INFO L87 Difference]: Start difference. First operand 1295 states and 1476 transitions. Second operand 6 states. [2018-11-18 14:17:29,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:17:29,411 INFO L93 Difference]: Finished difference Result 1582 states and 1793 transitions. [2018-11-18 14:17:29,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:17:29,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 397 [2018-11-18 14:17:29,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:17:29,412 INFO L225 Difference]: With dead ends: 1582 [2018-11-18 14:17:29,412 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:17:29,415 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 805 GetRequests, 789 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 14:17:29,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:17:29,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:17:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:17:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:17:29,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 397 [2018-11-18 14:17:29,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:17:29,415 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:17:29,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:17:29,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:17:29,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:17:29,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:17:29,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:29,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:17:30,411 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-18 14:17:30,572 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-18 14:17:31,685 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 14:17:31,826 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2018-11-18 14:17:31,826 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2018-11-18 14:17:31,826 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2018-11-18 14:17:31,826 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2018-11-18 14:17:31,827 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2018-11-18 14:17:31,827 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 154 161) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 14:17:31,827 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 154 161) no Hoare annotation was computed. [2018-11-18 14:17:31,827 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 154 161) no Hoare annotation was computed. [2018-11-18 14:17:31,827 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 162 171) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-18 14:17:31,827 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 162 171) no Hoare annotation was computed. [2018-11-18 14:17:31,827 INFO L425 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2018-11-18 14:17:31,827 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 162 171) no Hoare annotation was computed. [2018-11-18 14:17:31,828 INFO L421 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-18 14:17:31,828 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 191) no Hoare annotation was computed. [2018-11-18 14:17:31,828 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 194) no Hoare annotation was computed. [2018-11-18 14:17:31,828 INFO L421 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse4) (or .cse3 .cse2 .cse0 .cse5 .cse4) (or .cse2 .cse0 .cse5 .cse1))) [2018-11-18 14:17:31,828 INFO L425 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-18 14:17:31,828 INFO L425 ceAbstractionStarter]: For program point L180(lines 180 197) no Hoare annotation was computed. [2018-11-18 14:17:31,828 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 172 200) no Hoare annotation was computed. [2018-11-18 14:17:31,828 INFO L428 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: true [2018-11-18 14:17:31,828 INFO L425 ceAbstractionStarter]: For program point L178-1(line 178) no Hoare annotation was computed. [2018-11-18 14:17:31,828 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 172 200) the Hoare annotation is: true [2018-11-18 14:17:31,828 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 172 200) no Hoare annotation was computed. [2018-11-18 14:17:31,828 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:17:31,828 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2018-11-18 14:17:31,828 INFO L421 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:17:31,829 INFO L421 ceAbstractionStarter]: At program point L659-1(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:17:31,829 INFO L425 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2018-11-18 14:17:31,829 INFO L425 ceAbstractionStarter]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2018-11-18 14:17:31,829 INFO L425 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2018-11-18 14:17:31,829 INFO L421 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:17:31,829 INFO L421 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:17:31,829 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2018-11-18 14:17:31,829 INFO L421 ceAbstractionStarter]: At program point L653-1(line 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:17:31,829 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2018-11-18 14:17:31,829 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2018-11-18 14:17:31,829 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2018-11-18 14:17:31,829 INFO L425 ceAbstractionStarter]: For program point L957(lines 957 961) no Hoare annotation was computed. [2018-11-18 14:17:31,829 INFO L428 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: true [2018-11-18 14:17:31,830 INFO L425 ceAbstractionStarter]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2018-11-18 14:17:31,830 INFO L425 ceAbstractionStarter]: For program point L955-1(line 955) no Hoare annotation was computed. [2018-11-18 14:17:31,830 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 948 966) the Hoare annotation is: true [2018-11-18 14:17:31,830 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 948 966) no Hoare annotation was computed. [2018-11-18 14:17:31,830 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 948 966) no Hoare annotation was computed. [2018-11-18 14:17:31,830 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2018-11-18 14:17:31,830 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2018-11-18 14:17:31,830 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 633 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:17:31,830 INFO L421 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:17:31,831 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 633 643) no Hoare annotation was computed. [2018-11-18 14:17:31,831 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 633 643) no Hoare annotation was computed. [2018-11-18 14:17:31,831 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2018-11-18 14:17:31,831 INFO L428 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-11-18 14:17:31,831 INFO L425 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-18 14:17:31,831 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2018-11-18 14:17:31,831 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2018-11-18 14:17:31,831 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-18 14:17:31,831 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2018-11-18 14:17:31,831 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2018-11-18 14:17:31,832 INFO L421 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 14:17:31,832 INFO L425 ceAbstractionStarter]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2018-11-18 14:17:31,832 INFO L421 ceAbstractionStarter]: At program point L828(line 828) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 14:17:31,832 INFO L421 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (and (<= 1 processEnvironment_~tmp~7) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse3))) [2018-11-18 14:17:31,832 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 814 838) no Hoare annotation was computed. [2018-11-18 14:17:31,832 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 830) no Hoare annotation was computed. [2018-11-18 14:17:31,832 INFO L421 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 14:17:31,833 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 814 838) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 14:17:31,833 INFO L425 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2018-11-18 14:17:31,833 INFO L425 ceAbstractionStarter]: For program point L818(lines 818 835) no Hoare annotation was computed. [2018-11-18 14:17:31,833 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-18 14:17:31,833 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-18 14:17:31,833 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-18 14:17:31,833 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-18 14:17:31,833 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2018-11-18 14:17:31,833 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2018-11-18 14:17:31,834 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:17:31,834 INFO L425 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2018-11-18 14:17:31,834 INFO L421 ceAbstractionStarter]: At program point L729-2(lines 721 734) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.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 .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 14:17:31,834 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2018-11-18 14:17:31,834 INFO L425 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2018-11-18 14:17:31,834 INFO L421 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.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 .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 14:17:31,834 INFO L425 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2018-11-18 14:17:31,835 INFO L421 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.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 .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 14:17:31,835 INFO L425 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2018-11-18 14:17:31,835 INFO L425 ceAbstractionStarter]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2018-11-18 14:17:31,835 INFO L421 ceAbstractionStarter]: At program point L736(lines 691 738) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:17:31,835 INFO L421 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-18 14:17:31,835 INFO L425 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2018-11-18 14:17:31,835 INFO L425 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2018-11-18 14:17:31,835 INFO L425 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2018-11-18 14:17:31,835 INFO L425 ceAbstractionStarter]: For program point L691-1(lines 691 738) no Hoare annotation was computed. [2018-11-18 14:17:31,836 INFO L421 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 14:17:31,836 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2018-11-18 14:17:31,836 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 839 846) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 14:17:31,836 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 839 846) no Hoare annotation was computed. [2018-11-18 14:17:31,836 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 839 846) no Hoare annotation was computed. [2018-11-18 14:17:31,836 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-18 14:17:31,836 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-18 14:17:31,836 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-18 14:17:31,836 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:17:31,836 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:17:31,837 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:17:31,837 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 848 864) no Hoare annotation was computed. [2018-11-18 14:17:31,837 INFO L421 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 14:17:31,837 INFO L425 ceAbstractionStarter]: For program point L859-1(lines 848 864) no Hoare annotation was computed. [2018-11-18 14:17:31,837 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 848 864) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 14:17:31,837 INFO L425 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2018-11-18 14:17:31,837 INFO L421 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 14:17:31,837 INFO L425 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2018-11-18 14:17:31,837 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2018-11-18 14:17:31,837 INFO L425 ceAbstractionStarter]: For program point L938(lines 938 942) no Hoare annotation was computed. [2018-11-18 14:17:31,838 INFO L428 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: true [2018-11-18 14:17:31,838 INFO L425 ceAbstractionStarter]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2018-11-18 14:17:31,838 INFO L425 ceAbstractionStarter]: For program point L936-1(line 936) no Hoare annotation was computed. [2018-11-18 14:17:31,838 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2018-11-18 14:17:31,838 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2018-11-18 14:17:31,838 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-11-18 14:17:31,838 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-18 14:17:31,838 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-18 14:17:31,838 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-18 14:17:31,838 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2018-11-18 14:17:31,838 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-18 14:17:31,839 INFO L421 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-18 14:17:31,839 INFO L421 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-18 14:17:31,839 INFO L421 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 14:17:31,839 INFO L425 ceAbstractionStarter]: For program point L760(lines 756 778) no Hoare annotation was computed. [2018-11-18 14:17:31,839 INFO L425 ceAbstractionStarter]: For program point L758(lines 756 778) no Hoare annotation was computed. [2018-11-18 14:17:31,839 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 753 779) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-18 14:17:31,840 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 753 779) no Hoare annotation was computed. [2018-11-18 14:17:31,840 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 753 779) no Hoare annotation was computed. [2018-11-18 14:17:31,840 INFO L428 ceAbstractionStarter]: At program point L580-3(lines 580 594) the Hoare annotation is: true [2018-11-18 14:17:31,840 INFO L428 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: true [2018-11-18 14:17:31,840 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 570 599) no Hoare annotation was computed. [2018-11-18 14:17:31,840 INFO L425 ceAbstractionStarter]: For program point L576-1(line 576) no Hoare annotation was computed. [2018-11-18 14:17:31,840 INFO L428 ceAbstractionStarter]: At program point L595(lines 570 599) the Hoare annotation is: true [2018-11-18 14:17:31,840 INFO L425 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2018-11-18 14:17:31,840 INFO L425 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2018-11-18 14:17:31,840 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 570 599) the Hoare annotation is: true [2018-11-18 14:17:31,841 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-11-18 14:17:31,841 INFO L428 ceAbstractionStarter]: At program point L584-1(lines 584 588) the Hoare annotation is: true [2018-11-18 14:17:31,841 INFO L425 ceAbstractionStarter]: For program point L580-1(lines 580 594) no Hoare annotation was computed. [2018-11-18 14:17:31,841 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-18 14:17:31,841 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-18 14:17:31,841 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-18 14:17:31,841 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 14:17:31,841 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-18 14:17:31,841 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-18 14:17:31,842 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 625 631) no Hoare annotation was computed. [2018-11-18 14:17:31,842 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 625 631) the Hoare annotation is: true [2018-11-18 14:17:31,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:17:31,842 INFO L421 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)) [2018-11-18 14:17:31,842 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:17:31,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:17:31,842 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 788 812) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 14:17:31,842 INFO L421 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-18 14:17:31,842 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2018-11-18 14:17:31,843 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 788 812) no Hoare annotation was computed. [2018-11-18 14:17:31,843 INFO L421 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 14:17:31,843 INFO L425 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-18 14:17:31,843 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2018-11-18 14:17:31,843 INFO L421 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 14:17:31,843 INFO L425 ceAbstractionStarter]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2018-11-18 14:17:31,843 INFO L421 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse0 .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 14:17:31,843 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2018-11-18 14:17:31,844 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (= ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or (or (or .cse1 .cse2) (not (= 1 ~pumpRunning~0))) .cse3))) [2018-11-18 14:17:31,844 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2018-11-18 14:17:31,844 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-18 14:17:31,844 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-18 14:17:31,844 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-18 14:17:31,844 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 671 678) no Hoare annotation was computed. [2018-11-18 14:17:31,844 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 671 678) the Hoare annotation is: true [2018-11-18 14:17:31,844 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2018-11-18 14:17:31,844 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 671 678) no Hoare annotation was computed. [2018-11-18 14:17:31,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:17:31 BoogieIcfgContainer [2018-11-18 14:17:31,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:17:31,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:17:31,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:17:31,855 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:17:31,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:17:14" (3/4) ... [2018-11-18 14:17:31,859 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:17:31,864 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:17:31,864 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:17:31,864 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 14:17:31,864 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 14:17:31,864 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 14:17:31,864 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:17:31,864 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:17:31,864 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 14:17:31,865 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:17:31,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 14:17:31,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 14:17:31,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 14:17:31,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:17:31,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:17:31,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:17:31,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:17:31,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:17:31,866 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:17:31,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:17:31,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 14:17:31,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:17:31,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:17:31,872 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 14:17:31,873 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:17:31,873 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:17:31,896 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 14:17:31,896 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 14:17:31,931 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e7dbbbd3-72e6-4aa3-bac5-94b6d92bf7b5/bin-2019/utaipan/witness.graphml [2018-11-18 14:17:31,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:17:31,932 INFO L168 Benchmark]: Toolchain (without parser) took 19047.66 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 950.4 MB in the beginning and 835.2 MB in the end (delta: 115.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 14:17:31,932 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:17:31,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.52 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 923.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:31,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 923.6 MB in the beginning and 1.1 GB in the end (delta: -217.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:31,933 INFO L168 Benchmark]: Boogie Preprocessor took 30.35 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. [2018-11-18 14:17:31,933 INFO L168 Benchmark]: RCFGBuilder took 808.43 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: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:31,933 INFO L168 Benchmark]: TraceAbstraction took 17658.70 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 951.6 MB). Free memory was 1.1 GB in the beginning and 835.2 MB in the end (delta: 241.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 14:17:31,933 INFO L168 Benchmark]: Witness Printer took 76.36 ms. Allocated memory is still 2.1 GB. Free memory is still 835.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:17:31,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.52 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 923.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 923.6 MB in the beginning and 1.1 GB in the end (delta: -217.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.35 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 808.43 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: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17658.70 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 951.6 MB). Free memory was 1.1 GB in the beginning and 835.2 MB in the end (delta: 241.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 76.36 ms. Allocated memory is still 2.1 GB. Free memory is still 835.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: 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: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 172 locations, 1 error locations. SAFE Result, 17.5s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2511 SDtfs, 2510 SDslu, 7115 SDs, 0 SdLazy, 5538 SolverSat, 1268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1966 GetRequests, 1798 SyntacticMatches, 21 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1295occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.6s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 399 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1939 PreInvPairs, 2021 NumberOfFragments, 1830 HoareAnnotationTreeSize, 1939 FomulaSimplifications, 12127 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 14428 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2574 NumberOfCodeBlocks, 2574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3444 ConstructedInterpolants, 0 QuantifiedInterpolants, 1216912 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3504 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2663/2781 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...