./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_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_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/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 23cbf887df70a1f42db96b12c0b9702076660a13 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:03:43,652 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:03:43,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:03:43,659 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:03:43,659 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:03:43,660 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:03:43,661 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:03:43,662 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:03:43,663 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:03:43,663 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:03:43,664 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:03:43,664 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:03:43,665 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:03:43,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:03:43,666 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:03:43,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:03:43,667 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:03:43,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:03:43,670 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:03:43,671 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:03:43,672 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:03:43,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:03:43,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:03:43,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:03:43,674 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:03:43,675 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:03:43,676 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:03:43,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:03:43,677 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:03:43,678 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:03:43,678 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:03:43,678 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:03:43,678 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:03:43,679 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:03:43,679 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:03:43,680 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:03:43,680 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:03:43,690 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:03:43,690 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:03:43,691 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:03:43,691 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:03:43,691 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:03:43,691 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:03:43,691 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:03:43,691 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:03:43,692 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:03:43,692 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:03:43,692 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:03:43,692 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:03:43,692 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:03:43,693 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:03:43,693 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:03:43,693 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:03:43,693 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:03:43,693 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:03:43,693 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:03:43,694 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:03:43,694 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:03:43,694 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:03:43,694 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:03:43,694 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:03:43,694 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:03:43,694 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:03:43,695 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:03:43,695 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:03:43,695 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:03:43,695 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:03:43,695 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:03:43,695 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:03:43,695 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:03:43,696 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:03:43,696 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:03:43,696 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:03:43,696 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:03:43,696 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_bde7ad63-5b8e-4b4b-a441-f0399477086c/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 -> 23cbf887df70a1f42db96b12c0b9702076660a13 [2018-11-18 10:03:43,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:03:43,731 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:03:43,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:03:43,734 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:03:43,734 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:03:43,735 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-11-18 10:03:43,773 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/data/92b9ead93/b047967c079b4c30b630ebed31a796c8/FLAGd5039f8b7 [2018-11-18 10:03:44,121 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:03:44,122 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-11-18 10:03:44,131 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/data/92b9ead93/b047967c079b4c30b630ebed31a796c8/FLAGd5039f8b7 [2018-11-18 10:03:44,143 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/data/92b9ead93/b047967c079b4c30b630ebed31a796c8 [2018-11-18 10:03:44,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:03:44,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:03:44,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:03:44,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:03:44,149 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:03:44,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44, skipping insertion in model container [2018-11-18 10:03:44,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:03:44,187 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:03:44,383 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:03:44,390 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:03:44,505 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:03:44,521 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:03:44,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44 WrapperNode [2018-11-18 10:03:44,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:03:44,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:03:44,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:03:44,522 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:03:44,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:03:44,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:03:44,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:03:44,548 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:03:44,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (1/1) ... [2018-11-18 10:03:44,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:03:44,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:03:44,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:03:44,580 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:03:44,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/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 10:03:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:03:44,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:03:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:03:44,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:03:44,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:03:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:03:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:03:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 10:03:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 10:03:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:03:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:03:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:03:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:03:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:03:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:03:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 10:03:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 10:03:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 10:03:44,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 10:03:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 10:03:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 10:03:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:03:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:03:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:03:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:03:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:03:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:03:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:03:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:03:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:03:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:03:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 10:03:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 10:03:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:03:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:03:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:03:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:03:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:03:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:03:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:03:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:03:44,633 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:03:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:03:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 10:03:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 10:03:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:03:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:03:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:03:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:03:44,634 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:03:44,634 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:03:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-18 10:03:44,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-18 10:03:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:03:44,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:03:44,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:03:44,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:03:45,077 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:03:45,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:45 BoogieIcfgContainer [2018-11-18 10:03:45,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:03:45,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:03:45,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:03:45,080 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:03:45,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:03:44" (1/3) ... [2018-11-18 10:03:45,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb908a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:03:45, skipping insertion in model container [2018-11-18 10:03:45,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:44" (2/3) ... [2018-11-18 10:03:45,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb908a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:03:45, skipping insertion in model container [2018-11-18 10:03:45,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:45" (3/3) ... [2018-11-18 10:03:45,082 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-11-18 10:03:45,088 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:03:45,093 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:03:45,102 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:03:45,125 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:03:45,125 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:03:45,126 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:03:45,126 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:03:45,126 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:03:45,126 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:03:45,126 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:03:45,126 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:03:45,140 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2018-11-18 10:03:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 10:03:45,148 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:45,148 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:45,150 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:45,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:45,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1354410953, now seen corresponding path program 1 times [2018-11-18 10:03:45,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:45,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:45,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:45,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:45,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:03:45,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:45,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:03:45,363 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:03:45,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:03:45,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:03:45,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:03:45,377 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2018-11-18 10:03:45,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:45,405 INFO L93 Difference]: Finished difference Result 270 states and 333 transitions. [2018-11-18 10:03:45,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:03:45,406 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-18 10:03:45,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:45,417 INFO L225 Difference]: With dead ends: 270 [2018-11-18 10:03:45,417 INFO L226 Difference]: Without dead ends: 135 [2018-11-18 10:03:45,420 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 10:03:45,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-18 10:03:45,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-18 10:03:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-18 10:03:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2018-11-18 10:03:45,453 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 52 [2018-11-18 10:03:45,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:45,454 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2018-11-18 10:03:45,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:03:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2018-11-18 10:03:45,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 10:03:45,457 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:45,457 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:45,457 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:45,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:45,458 INFO L82 PathProgramCache]: Analyzing trace with hash 750642160, now seen corresponding path program 1 times [2018-11-18 10:03:45,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:45,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:45,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:45,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:45,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:03:45,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:45,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:03:45,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:03:45,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:03:45,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:03:45,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:03:45,545 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand 3 states. [2018-11-18 10:03:45,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:45,565 INFO L93 Difference]: Finished difference Result 213 states and 249 transitions. [2018-11-18 10:03:45,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:03:45,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 10:03:45,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:45,568 INFO L225 Difference]: With dead ends: 213 [2018-11-18 10:03:45,568 INFO L226 Difference]: Without dead ends: 125 [2018-11-18 10:03:45,569 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 10:03:45,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-18 10:03:45,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-18 10:03:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-18 10:03:45,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2018-11-18 10:03:45,580 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 54 [2018-11-18 10:03:45,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:45,580 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2018-11-18 10:03:45,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:03:45,581 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2018-11-18 10:03:45,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 10:03:45,582 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:45,583 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:45,583 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:45,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:45,583 INFO L82 PathProgramCache]: Analyzing trace with hash -304418219, now seen corresponding path program 1 times [2018-11-18 10:03:45,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:45,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:45,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:45,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:45,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:03:45,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:45,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:03:45,693 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:03:45,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:03:45,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:03:45,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:03:45,694 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 7 states. [2018-11-18 10:03:45,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:45,975 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2018-11-18 10:03:45,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:03:45,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2018-11-18 10:03:45,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:45,976 INFO L225 Difference]: With dead ends: 226 [2018-11-18 10:03:45,976 INFO L226 Difference]: Without dead ends: 125 [2018-11-18 10:03:45,977 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:03:45,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-18 10:03:45,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-18 10:03:45,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-18 10:03:45,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2018-11-18 10:03:45,988 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 59 [2018-11-18 10:03:45,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:45,989 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2018-11-18 10:03:45,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:03:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2018-11-18 10:03:45,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 10:03:45,991 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:45,991 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:45,991 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:45,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:45,991 INFO L82 PathProgramCache]: Analyzing trace with hash -336950702, now seen corresponding path program 1 times [2018-11-18 10:03:45,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:45,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:45,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:45,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:45,993 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:03:46,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:46,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:03:46,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:03:46,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:03:46,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:03:46,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:03:46,073 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 5 states. [2018-11-18 10:03:46,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:46,405 INFO L93 Difference]: Finished difference Result 339 states and 407 transitions. [2018-11-18 10:03:46,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:03:46,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-11-18 10:03:46,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:46,408 INFO L225 Difference]: With dead ends: 339 [2018-11-18 10:03:46,408 INFO L226 Difference]: Without dead ends: 238 [2018-11-18 10:03:46,409 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:03:46,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-11-18 10:03:46,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 218. [2018-11-18 10:03:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-18 10:03:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 248 transitions. [2018-11-18 10:03:46,430 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 248 transitions. Word has length 72 [2018-11-18 10:03:46,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:46,431 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 248 transitions. [2018-11-18 10:03:46,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:03:46,431 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 248 transitions. [2018-11-18 10:03:46,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 10:03:46,433 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:46,433 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:46,434 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:46,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:46,434 INFO L82 PathProgramCache]: Analyzing trace with hash 701425745, now seen corresponding path program 1 times [2018-11-18 10:03:46,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:46,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:46,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:46,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:46,436 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:03:46,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:46,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:03:46,523 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:03:46,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:03:46,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:03:46,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:03:46,524 INFO L87 Difference]: Start difference. First operand 218 states and 248 transitions. Second operand 6 states. [2018-11-18 10:03:46,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:46,667 INFO L93 Difference]: Finished difference Result 534 states and 639 transitions. [2018-11-18 10:03:46,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:03:46,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 86 [2018-11-18 10:03:46,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:46,671 INFO L225 Difference]: With dead ends: 534 [2018-11-18 10:03:46,671 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 10:03:46,673 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:03:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 10:03:46,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 336. [2018-11-18 10:03:46,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2018-11-18 10:03:46,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 388 transitions. [2018-11-18 10:03:46,699 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 388 transitions. Word has length 86 [2018-11-18 10:03:46,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:46,699 INFO L480 AbstractCegarLoop]: Abstraction has 336 states and 388 transitions. [2018-11-18 10:03:46,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:03:46,700 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 388 transitions. [2018-11-18 10:03:46,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 10:03:46,701 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:46,701 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:46,701 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:46,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:46,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1174530455, now seen corresponding path program 1 times [2018-11-18 10:03:46,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:46,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:46,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:46,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:46,705 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:03:46,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:46,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:03:46,830 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:03:46,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:03:46,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:03:46,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:03:46,831 INFO L87 Difference]: Start difference. First operand 336 states and 388 transitions. Second operand 6 states. [2018-11-18 10:03:47,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:47,009 INFO L93 Difference]: Finished difference Result 719 states and 865 transitions. [2018-11-18 10:03:47,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:03:47,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-18 10:03:47,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:47,012 INFO L225 Difference]: With dead ends: 719 [2018-11-18 10:03:47,012 INFO L226 Difference]: Without dead ends: 525 [2018-11-18 10:03:47,013 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:03:47,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2018-11-18 10:03:47,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 507. [2018-11-18 10:03:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-11-18 10:03:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 599 transitions. [2018-11-18 10:03:47,043 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 599 transitions. Word has length 90 [2018-11-18 10:03:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:47,043 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 599 transitions. [2018-11-18 10:03:47,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:03:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 599 transitions. [2018-11-18 10:03:47,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 10:03:47,045 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:47,045 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:47,045 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:47,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:47,046 INFO L82 PathProgramCache]: Analyzing trace with hash 251846872, now seen corresponding path program 1 times [2018-11-18 10:03:47,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:47,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:47,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:47,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:47,047 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:47,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:03:47,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:47,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:03:47,113 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:03:47,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:03:47,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:03:47,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:03:47,114 INFO L87 Difference]: Start difference. First operand 507 states and 599 transitions. Second operand 5 states. [2018-11-18 10:03:47,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:47,143 INFO L93 Difference]: Finished difference Result 882 states and 1064 transitions. [2018-11-18 10:03:47,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:03:47,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2018-11-18 10:03:47,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:47,147 INFO L225 Difference]: With dead ends: 882 [2018-11-18 10:03:47,147 INFO L226 Difference]: Without dead ends: 517 [2018-11-18 10:03:47,148 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:03:47,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-11-18 10:03:47,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 511. [2018-11-18 10:03:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-11-18 10:03:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 602 transitions. [2018-11-18 10:03:47,173 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 602 transitions. Word has length 90 [2018-11-18 10:03:47,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:47,173 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 602 transitions. [2018-11-18 10:03:47,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:03:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 602 transitions. [2018-11-18 10:03:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 10:03:47,175 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:47,175 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:47,175 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:47,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:47,175 INFO L82 PathProgramCache]: Analyzing trace with hash -592158630, now seen corresponding path program 1 times [2018-11-18 10:03:47,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:47,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:47,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:47,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:47,176 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:03:47,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:47,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 10:03:47,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:03:47,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:03:47,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:03:47,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:03:47,252 INFO L87 Difference]: Start difference. First operand 511 states and 602 transitions. Second operand 9 states. [2018-11-18 10:03:47,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:47,313 INFO L93 Difference]: Finished difference Result 1004 states and 1206 transitions. [2018-11-18 10:03:47,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:03:47,313 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2018-11-18 10:03:47,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:47,315 INFO L225 Difference]: With dead ends: 1004 [2018-11-18 10:03:47,315 INFO L226 Difference]: Without dead ends: 517 [2018-11-18 10:03:47,317 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:03:47,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-11-18 10:03:47,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 511. [2018-11-18 10:03:47,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-11-18 10:03:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 600 transitions. [2018-11-18 10:03:47,340 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 600 transitions. Word has length 90 [2018-11-18 10:03:47,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:47,340 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 600 transitions. [2018-11-18 10:03:47,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:03:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 600 transitions. [2018-11-18 10:03:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 10:03:47,342 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:47,342 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:47,342 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:47,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:47,343 INFO L82 PathProgramCache]: Analyzing trace with hash 135077242, now seen corresponding path program 1 times [2018-11-18 10:03:47,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:47,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:47,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:47,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:47,344 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:03:47,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:47,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:03:47,447 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:03:47,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:03:47,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:03:47,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:03:47,448 INFO L87 Difference]: Start difference. First operand 511 states and 600 transitions. Second operand 10 states. [2018-11-18 10:03:47,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:47,723 INFO L93 Difference]: Finished difference Result 1004 states and 1182 transitions. [2018-11-18 10:03:47,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 10:03:47,724 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2018-11-18 10:03:47,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:47,727 INFO L225 Difference]: With dead ends: 1004 [2018-11-18 10:03:47,727 INFO L226 Difference]: Without dead ends: 517 [2018-11-18 10:03:47,728 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 10:03:47,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-11-18 10:03:47,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 496. [2018-11-18 10:03:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-11-18 10:03:47,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 565 transitions. [2018-11-18 10:03:47,752 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 565 transitions. Word has length 91 [2018-11-18 10:03:47,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:47,752 INFO L480 AbstractCegarLoop]: Abstraction has 496 states and 565 transitions. [2018-11-18 10:03:47,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:03:47,752 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 565 transitions. [2018-11-18 10:03:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 10:03:47,754 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:47,755 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:03:47,755 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:47,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:47,755 INFO L82 PathProgramCache]: Analyzing trace with hash -898886673, now seen corresponding path program 1 times [2018-11-18 10:03:47,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:47,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:47,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:47,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:47,756 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:03:47,816 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:03:47,817 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:03:47,817 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-11-18 10:03:47,819 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [59], [65], [69], [73], [76], [79], [81], [87], [89], [95], [98], [108], [109], [110], [111], [112], [113], [114], [116], [119], [123], [124], [132], [133], [163], [166], [170], [176], [177], [179], [182], [184], [186], [189], [191], [196], [202], [205], [209], [210], [214], [217], [219], [222], [232], [237], [241], [242], [245], [246], [247], [248], [249], [250], [251], [252], [253], [255], [257], [258], [259], [260], [261], [262], [265], [266], [267], [268], [273], [274], [277], [278], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [297], [298], [299], [301], [302], [303], [304] [2018-11-18 10:03:47,851 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:03:47,852 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:03:48,590 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:03:48,592 INFO L272 AbstractInterpreter]: Visited 87 different actions 140 times. Merged at 6 different actions 6 times. Never widened. Performed 6389 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6389 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 10:03:48,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:48,598 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:03:48,999 INFO L227 lantSequenceWeakener]: Weakened 107 states. On average, predicates are now at 96.67% of their original sizes. [2018-11-18 10:03:49,000 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:03:49,192 INFO L415 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-11-18 10:03:49,192 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:03:49,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:03:49,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [6] total 30 [2018-11-18 10:03:49,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:03:49,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-18 10:03:49,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-18 10:03:49,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2018-11-18 10:03:49,194 INFO L87 Difference]: Start difference. First operand 496 states and 565 transitions. Second operand 26 states. [2018-11-18 10:03:54,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:54,178 INFO L93 Difference]: Finished difference Result 1187 states and 1389 transitions. [2018-11-18 10:03:54,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 10:03:54,178 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 140 [2018-11-18 10:03:54,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:54,180 INFO L225 Difference]: With dead ends: 1187 [2018-11-18 10:03:54,180 INFO L226 Difference]: Without dead ends: 715 [2018-11-18 10:03:54,181 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=951, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 10:03:54,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2018-11-18 10:03:54,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 682. [2018-11-18 10:03:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-11-18 10:03:54,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 771 transitions. [2018-11-18 10:03:54,207 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 771 transitions. Word has length 140 [2018-11-18 10:03:54,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:54,207 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 771 transitions. [2018-11-18 10:03:54,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-18 10:03:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 771 transitions. [2018-11-18 10:03:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 10:03:54,210 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:03:54,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:03:54,212 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:03:54,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:54,212 INFO L82 PathProgramCache]: Analyzing trace with hash 592229362, now seen corresponding path program 1 times [2018-11-18 10:03:54,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:03:54,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:54,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:54,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:54,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:03:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:03:54,297 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:03:54,297 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:03:54,297 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-11-18 10:03:54,298 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [33], [34], [35], [38], [40], [43], [50], [53], [55], [59], [65], [69], [73], [76], [79], [81], [87], [89], [95], [98], [108], [109], [110], [111], [112], [113], [114], [116], [121], [123], [124], [132], [133], [163], [166], [170], [176], [177], [179], [182], [184], [186], [189], [191], [196], [202], [205], [209], [210], [214], [217], [219], [222], [232], [237], [241], [242], [245], [246], [247], [248], [249], [250], [251], [252], [253], [255], [257], [258], [259], [260], [261], [262], [265], [266], [267], [268], [273], [274], [277], [278], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [297], [298], [299], [301], [302], [303], [304] [2018-11-18 10:03:54,300 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:03:54,300 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:03:54,629 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:03:54,629 INFO L272 AbstractInterpreter]: Visited 95 different actions 116 times. Merged at 6 different actions 6 times. Never widened. Performed 6105 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6105 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 10:03:54,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:54,631 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:03:54,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:03:54,632 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/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 10:03:54,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:54,643 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:03:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:54,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:03:54,921 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:03:54,921 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:03:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 10:03:55,360 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:03:55,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-18 10:03:55,360 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:03:55,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 10:03:55,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 10:03:55,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-18 10:03:55,361 INFO L87 Difference]: Start difference. First operand 682 states and 771 transitions. Second operand 15 states. [2018-11-18 10:03:57,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:57,341 INFO L93 Difference]: Finished difference Result 2175 states and 2955 transitions. [2018-11-18 10:03:57,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-18 10:03:57,342 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 140 [2018-11-18 10:03:57,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:03:57,342 INFO L225 Difference]: With dead ends: 2175 [2018-11-18 10:03:57,343 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:03:57,345 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 270 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 10:03:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:03:57,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:03:57,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:03:57,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:03:57,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2018-11-18 10:03:57,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:03:57,346 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:03:57,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 10:03:57,346 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:03:57,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:03:57,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:03:57,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:57,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:03:58,957 WARN L180 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2018-11-18 10:03:59,307 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 45 [2018-11-18 10:03:59,428 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 27 [2018-11-18 10:03:59,613 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2018-11-18 10:03:59,862 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2018-11-18 10:04:00,179 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2018-11-18 10:04:00,436 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2018-11-18 10:04:00,687 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 40 [2018-11-18 10:04:00,962 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 10:04:00,962 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 10:04:00,962 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 10:04:00,962 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 10:04:00,962 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 10:04:00,962 INFO L425 ceAbstractionStarter]: For program point L802-1(lines 802 809) no Hoare annotation was computed. [2018-11-18 10:04:00,962 INFO L425 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2018-11-18 10:04:00,963 INFO L421 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:04:00,963 INFO L421 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:04:00,963 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 792 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:04:00,963 INFO L421 ceAbstractionStarter]: At program point L798-1(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:04:00,963 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 792 814) no Hoare annotation was computed. [2018-11-18 10:04:00,963 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 792 814) no Hoare annotation was computed. [2018-11-18 10:04:00,963 INFO L421 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:04:00,963 INFO L421 ceAbstractionStarter]: At program point L804-1(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:04:00,963 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 809) no Hoare annotation was computed. [2018-11-18 10:04:00,963 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2018-11-18 10:04:00,964 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2018-11-18 10:04:00,964 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2018-11-18 10:04:00,964 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 10:04:00,964 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 10:04:00,964 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 782 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:04:00,964 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 782 791) no Hoare annotation was computed. [2018-11-18 10:04:00,964 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 782 791) no Hoare annotation was computed. [2018-11-18 10:04:00,964 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 261 271) the Hoare annotation is: true [2018-11-18 10:04:00,964 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2018-11-18 10:04:00,964 INFO L428 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: true [2018-11-18 10:04:00,964 INFO L425 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2018-11-18 10:04:00,964 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2018-11-18 10:04:00,964 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 10:04:00,964 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2018-11-18 10:04:00,964 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2018-11-18 10:04:00,964 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 896 909) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 896 909) the Hoare annotation is: true [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 896 909) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point L226-1(line 226) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point L224(lines 224 241) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-18 10:04:00,965 INFO L421 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L421 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 10:04:00,965 INFO L421 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L421 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2018-11-18 10:04:00,965 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 99) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 93 140) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2018-11-18 10:04:00,965 INFO L421 ceAbstractionStarter]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 135) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L421 ceAbstractionStarter]: At program point L131-2(lines 123 136) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point L94(lines 93 140) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L421 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L421 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L421 ceAbstractionStarter]: At program point L138(lines 93 140) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:04:00,966 INFO L421 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2018-11-18 10:04:00,966 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-11-18 10:04:00,967 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 887 895) the Hoare annotation is: true [2018-11-18 10:04:00,967 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2018-11-18 10:04:00,967 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2018-11-18 10:04:00,967 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2018-11-18 10:04:00,967 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2018-11-18 10:04:00,967 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2018-11-18 10:04:00,967 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2018-11-18 10:04:00,967 INFO L428 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2018-11-18 10:04:00,967 INFO L425 ceAbstractionStarter]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2018-11-18 10:04:00,967 INFO L425 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-11-18 10:04:00,967 INFO L425 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-11-18 10:04:00,967 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6)))) [2018-11-18 10:04:00,967 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-11-18 10:04:00,967 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2018-11-18 10:04:00,968 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2018-11-18 10:04:00,968 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2018-11-18 10:04:00,968 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 721 750) no Hoare annotation was computed. [2018-11-18 10:04:00,968 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2018-11-18 10:04:00,968 INFO L428 ceAbstractionStarter]: At program point L735-1(lines 735 739) the Hoare annotation is: true [2018-11-18 10:04:00,968 INFO L425 ceAbstractionStarter]: For program point L731-1(lines 731 745) no Hoare annotation was computed. [2018-11-18 10:04:00,968 INFO L428 ceAbstractionStarter]: At program point L731-3(lines 731 745) the Hoare annotation is: true [2018-11-18 10:04:00,968 INFO L428 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: true [2018-11-18 10:04:00,968 INFO L425 ceAbstractionStarter]: For program point L727-1(line 727) no Hoare annotation was computed. [2018-11-18 10:04:00,968 INFO L428 ceAbstractionStarter]: At program point L746(lines 721 750) the Hoare annotation is: true [2018-11-18 10:04:00,968 INFO L425 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2018-11-18 10:04:00,968 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 721 750) the Hoare annotation is: true [2018-11-18 10:04:00,968 INFO L425 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2018-11-18 10:04:00,969 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse3 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or .cse5 .cse6)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4) (and (or .cse5 .cse6 .cse7) (or (or .cse8 .cse9) .cse0))) (or .cse10 .cse11 .cse1 .cse6) (or .cse10 .cse3 .cse6 .cse8 .cse9) (or .cse11 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse10 .cse1 .cse6) (or .cse10 .cse6 .cse4 .cse7)))) [2018-11-18 10:04:00,969 INFO L421 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse1) (or (and .cse6 (<= ~waterLevel~0 1) .cse3) (or .cse0 .cse1) .cse5) (or .cse4 .cse6 .cse5 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 (= 1 ~waterLevel~0) .cse2))) [2018-11-18 10:04:00,969 INFO L421 ceAbstractionStarter]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse1) (or .cse3 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or (and .cse8 (= 0 ~pumpRunning~0) .cse6) (and .cse8 .cse6 .cse7) (or .cse0 .cse1) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse8 .cse1) (or (= 1 ~waterLevel~0) .cse3 .cse1 .cse2))) [2018-11-18 10:04:00,969 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2018-11-18 10:04:00,969 INFO L421 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (or .cse3 .cse1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0) (or (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2)) (and (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse2)))))) [2018-11-18 10:04:00,969 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2018-11-18 10:04:00,969 INFO L425 ceAbstractionStarter]: For program point L166(lines 165 184) no Hoare annotation was computed. [2018-11-18 10:04:00,970 INFO L421 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-11-18 10:04:00,970 INFO L425 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2018-11-18 10:04:00,970 INFO L425 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-11-18 10:04:00,970 INFO L425 ceAbstractionStarter]: For program point L926-1(lines 911 943) no Hoare annotation was computed. [2018-11-18 10:04:00,970 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 911 943) no Hoare annotation was computed. [2018-11-18 10:04:00,970 INFO L421 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2018-11-18 10:04:00,970 INFO L425 ceAbstractionStarter]: For program point L924-1(line 924) no Hoare annotation was computed. [2018-11-18 10:04:00,970 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 911 943) the Hoare annotation is: true [2018-11-18 10:04:00,970 INFO L425 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2018-11-18 10:04:00,970 INFO L428 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2018-11-18 10:04:00,970 INFO L425 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2018-11-18 10:04:00,971 INFO L421 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-18 10:04:00,971 INFO L425 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2018-11-18 10:04:00,971 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) .cse2))) (and (or (and (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse0 .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1)))) (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1)))) [2018-11-18 10:04:00,971 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2018-11-18 10:04:00,971 INFO L425 ceAbstractionStarter]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2018-11-18 10:04:00,971 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 775 781) no Hoare annotation was computed. [2018-11-18 10:04:00,971 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 775 781) the Hoare annotation is: true [2018-11-18 10:04:00,971 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:04:00,971 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 10:04:00,971 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:04:00,971 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:04:00,972 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-18 10:04:00,972 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2018-11-18 10:04:00,972 INFO L421 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 10:04:00,972 INFO L425 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2018-11-18 10:04:00,972 INFO L421 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 10:04:00,972 INFO L421 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse1) (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) .cse1))))) [2018-11-18 10:04:00,972 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2018-11-18 10:04:00,972 INFO L421 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-18 10:04:00,972 INFO L425 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-18 10:04:00,972 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2018-11-18 10:04:00,973 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-11-18 10:04:00,973 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse1 (< 2 ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse0 .cse1))) [2018-11-18 10:04:00,973 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-11-18 10:04:00,973 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2018-11-18 10:04:00,973 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse2 (< 1 |old(~waterLevel~0)|)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse3 .cse1 .cse4) (or .cse3 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse6 .cse5) (or .cse2 .cse4 .cse0 .cse1))) [2018-11-18 10:04:00,973 INFO L425 ceAbstractionStarter]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2018-11-18 10:04:00,973 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 711 718) no Hoare annotation was computed. [2018-11-18 10:04:00,973 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2018-11-18 10:04:00,973 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 711 718) the Hoare annotation is: true [2018-11-18 10:04:00,973 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 711 718) no Hoare annotation was computed. [2018-11-18 10:04:00,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:04:00 BoogieIcfgContainer [2018-11-18 10:04:00,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:04:00,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:04:00,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:04:00,984 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:04:00,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:45" (3/4) ... [2018-11-18 10:04:00,987 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:04:00,992 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:04:00,992 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:04:00,992 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:04:00,992 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 10:04:00,993 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:04:00,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:04:00,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:04:00,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:04:00,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-18 10:04:00,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:04:00,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:04:00,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:04:00,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 10:04:00,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:04:00,995 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:04:01,001 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 10:04:01,001 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:04:01,001 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:04:01,021 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 10:04:01,021 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 10:04:01,054 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bde7ad63-5b8e-4b4b-a441-f0399477086c/bin-2019/utaipan/witness.graphml [2018-11-18 10:04:01,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:04:01,055 INFO L168 Benchmark]: Toolchain (without parser) took 16910.07 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 684.2 MB). Free memory was 956.5 MB in the beginning and 857.7 MB in the end (delta: 98.7 MB). Peak memory consumption was 782.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:04:01,056 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:04:01,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:04:01,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.15 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 10:04:01,056 INFO L168 Benchmark]: Boogie Preprocessor took 31.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:04:01,057 INFO L168 Benchmark]: RCFGBuilder took 497.17 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: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:04:01,057 INFO L168 Benchmark]: TraceAbstraction took 15905.89 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 531.1 MB). Free memory was 1.1 GB in the beginning and 873.7 MB in the end (delta: 201.4 MB). Peak memory consumption was 825.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:04:01,057 INFO L168 Benchmark]: Witness Printer took 70.43 ms. Allocated memory is still 1.7 GB. Free memory was 873.7 MB in the beginning and 857.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:04:01,058 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 497.17 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: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15905.89 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 531.1 MB). Free memory was 1.1 GB in the beginning and 873.7 MB in the end (delta: 201.4 MB). Peak memory consumption was 825.5 MB. Max. memory is 11.5 GB. * Witness Printer took 70.43 ms. Allocated memory is still 1.7 GB. Free memory was 873.7 MB in the beginning and 857.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: 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: 93]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 148 locations, 1 error locations. SAFE Result, 15.8s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 8.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1878 SDtfs, 2005 SDslu, 7122 SDs, 0 SdLazy, 4103 SolverSat, 1081 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 564 GetRequests, 420 SyntacticMatches, 14 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 785 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=682occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.996728008198486 AbsIntWeakeningRatio, 0.9064748201438849 AbsIntAvgWeakeningVarsNumRemoved, 48.81294964028777 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 108 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1938 PreInvPairs, 2342 NumberOfFragments, 1812 HoareAnnotationTreeSize, 1938 FomulaSimplifications, 8534 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 20919 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1104 NumberOfCodeBlocks, 1104 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1231 ConstructedInterpolants, 0 QuantifiedInterpolants, 225520 SizeOfPredicates, 7 NumberOfNonLiveVariables, 761 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 108/128 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...