./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/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 17a573274f1db5e4aeb22956c61c459b952d0c5d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:34:08,620 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:34:08,621 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:34:08,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:34:08,629 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:34:08,630 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:34:08,630 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:34:08,631 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:34:08,632 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:34:08,633 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:34:08,634 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:34:08,634 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:34:08,634 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:34:08,635 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:34:08,636 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:34:08,636 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:34:08,637 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:34:08,638 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:34:08,639 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:34:08,640 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:34:08,641 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:34:08,642 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:34:08,643 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:34:08,643 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:34:08,644 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:34:08,644 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:34:08,645 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:34:08,645 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:34:08,646 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:34:08,647 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:34:08,647 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:34:08,647 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:34:08,647 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:34:08,648 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:34:08,649 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:34:08,650 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:34:08,650 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 13:34:08,660 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:34:08,660 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:34:08,661 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:34:08,661 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:34:08,661 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:34:08,662 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:34:08,662 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 13:34:08,662 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:34:08,662 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 13:34:08,662 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 13:34:08,662 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:34:08,664 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:34:08,664 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:34:08,664 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:34:08,664 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:34:08,664 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:34:08,665 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:34:08,665 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:34:08,665 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:34:08,665 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:34:08,665 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:34:08,665 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:34:08,666 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:34:08,666 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:34:08,666 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:34:08,666 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:34:08,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:34:08,666 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:34:08,666 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:34:08,667 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:34:08,667 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 13:34:08,667 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:34:08,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:34:08,667 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 13:34:08,667 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_33d78924-e2f5-497e-bdce-ac9d6f6891c3/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 -> 17a573274f1db5e4aeb22956c61c459b952d0c5d [2018-11-10 13:34:08,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:34:08,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:34:08,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:34:08,703 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:34:08,703 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:34:08,704 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-10 13:34:08,736 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/data/1e82fd049/8c7fb4fbbbe14866ade64f842fa33776/FLAG75a44e578 [2018-11-10 13:34:09,147 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:34:09,147 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-10 13:34:09,153 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/data/1e82fd049/8c7fb4fbbbe14866ade64f842fa33776/FLAG75a44e578 [2018-11-10 13:34:09,161 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/data/1e82fd049/8c7fb4fbbbe14866ade64f842fa33776 [2018-11-10 13:34:09,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:34:09,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:34:09,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:34:09,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:34:09,168 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:34:09,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597bda04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09, skipping insertion in model container [2018-11-10 13:34:09,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:34:09,205 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:34:09,375 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:34:09,383 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:34:09,436 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:34:09,452 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:34:09,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09 WrapperNode [2018-11-10 13:34:09,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:34:09,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:34:09,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:34:09,454 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:34:09,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:34:09,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:34:09,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:34:09,537 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:34:09,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (1/1) ... [2018-11-10 13:34:09,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:34:09,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:34:09,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:34:09,570 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:34:09,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/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 [2018-11-10 13:34:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 13:34:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 13:34:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:34:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:34:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 13:34:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 13:34:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 13:34:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 13:34:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 13:34:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 13:34:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 13:34:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 13:34:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 13:34:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 13:34:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 13:34:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 13:34:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 13:34:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 13:34:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 13:34:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 13:34:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 13:34:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 13:34:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 13:34:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 13:34:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 13:34:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 13:34:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 13:34:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 13:34:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 13:34:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 13:34:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 13:34:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 13:34:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 13:34:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 13:34:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 13:34:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 13:34:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 13:34:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 13:34:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 13:34:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 13:34:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 13:34:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 13:34:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 13:34:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 13:34:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:34:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:34:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 13:34:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 13:34:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:34:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:34:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 13:34:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 13:34:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 13:34:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 13:34:10,164 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:34:10,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:34:10 BoogieIcfgContainer [2018-11-10 13:34:10,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:34:10,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:34:10,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:34:10,168 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:34:10,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:34:09" (1/3) ... [2018-11-10 13:34:10,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540ddd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:34:10, skipping insertion in model container [2018-11-10 13:34:10,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:34:09" (2/3) ... [2018-11-10 13:34:10,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540ddd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:34:10, skipping insertion in model container [2018-11-10 13:34:10,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:34:10" (3/3) ... [2018-11-10 13:34:10,170 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-10 13:34:10,177 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:34:10,182 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 13:34:10,192 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 13:34:10,213 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:34:10,213 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:34:10,214 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:34:10,214 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:34:10,214 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:34:10,214 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:34:10,214 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:34:10,214 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:34:10,228 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-11-10 13:34:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 13:34:10,235 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:34:10,236 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] [2018-11-10 13:34:10,238 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:34:10,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:34:10,243 INFO L82 PathProgramCache]: Analyzing trace with hash -767756179, now seen corresponding path program 1 times [2018-11-10 13:34:10,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:34:10,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:34:10,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:34:10,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:34:10,273 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:34:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:34:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:34:10,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:34:10,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:34:10,428 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:34:10,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 13:34:10,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 13:34:10,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 13:34:10,440 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2018-11-10 13:34:10,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:34:10,469 INFO L93 Difference]: Finished difference Result 262 states and 327 transitions. [2018-11-10 13:34:10,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 13:34:10,470 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 13:34:10,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:34:10,478 INFO L225 Difference]: With dead ends: 262 [2018-11-10 13:34:10,478 INFO L226 Difference]: Without dead ends: 131 [2018-11-10 13:34:10,480 INFO L605 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 [2018-11-10 13:34:10,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-10 13:34:10,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-10 13:34:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-10 13:34:10,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 155 transitions. [2018-11-10 13:34:10,516 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 155 transitions. Word has length 46 [2018-11-10 13:34:10,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:34:10,517 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 155 transitions. [2018-11-10 13:34:10,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 13:34:10,517 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2018-11-10 13:34:10,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 13:34:10,519 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:34:10,520 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] [2018-11-10 13:34:10,520 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:34:10,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:34:10,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1239940085, now seen corresponding path program 1 times [2018-11-10 13:34:10,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:34:10,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:34:10,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:34:10,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:34:10,522 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:34:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:34:10,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:34:10,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:34:10,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 13:34:10,619 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:34:10,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:34:10,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:34:10,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:34:10,620 INFO L87 Difference]: Start difference. First operand 131 states and 155 transitions. Second operand 3 states. [2018-11-10 13:34:10,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:34:10,637 INFO L93 Difference]: Finished difference Result 199 states and 235 transitions. [2018-11-10 13:34:10,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:34:10,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 13:34:10,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:34:10,640 INFO L225 Difference]: With dead ends: 199 [2018-11-10 13:34:10,640 INFO L226 Difference]: Without dead ends: 121 [2018-11-10 13:34:10,641 INFO L605 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 [2018-11-10 13:34:10,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-10 13:34:10,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-10 13:34:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-10 13:34:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2018-11-10 13:34:10,652 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 48 [2018-11-10 13:34:10,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:34:10,653 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2018-11-10 13:34:10,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:34:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2018-11-10 13:34:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 13:34:10,654 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:34:10,654 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] [2018-11-10 13:34:10,655 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:34:10,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:34:10,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2087489066, now seen corresponding path program 1 times [2018-11-10 13:34:10,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:34:10,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:34:10,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:34:10,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:34:10,656 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:34:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:34:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:34:10,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:34:10,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 13:34:10,754 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:34:10,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 13:34:10,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 13:34:10,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 13:34:10,755 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 7 states. [2018-11-10 13:34:11,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:34:11,139 INFO L93 Difference]: Finished difference Result 366 states and 447 transitions. [2018-11-10 13:34:11,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 13:34:11,139 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-10 13:34:11,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:34:11,142 INFO L225 Difference]: With dead ends: 366 [2018-11-10 13:34:11,142 INFO L226 Difference]: Without dead ends: 269 [2018-11-10 13:34:11,143 INFO L605 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 [2018-11-10 13:34:11,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-11-10 13:34:11,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 257. [2018-11-10 13:34:11,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-11-10 13:34:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 313 transitions. [2018-11-10 13:34:11,176 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 313 transitions. Word has length 53 [2018-11-10 13:34:11,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:34:11,176 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 313 transitions. [2018-11-10 13:34:11,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 13:34:11,176 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 313 transitions. [2018-11-10 13:34:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 13:34:11,178 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:34:11,178 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] [2018-11-10 13:34:11,178 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:34:11,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:34:11,179 INFO L82 PathProgramCache]: Analyzing trace with hash -761532122, now seen corresponding path program 1 times [2018-11-10 13:34:11,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:34:11,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:34:11,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:34:11,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:34:11,180 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:34:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:34:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:34:11,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:34:11,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 13:34:11,271 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:34:11,272 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 13:34:11,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 13:34:11,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 13:34:11,272 INFO L87 Difference]: Start difference. First operand 257 states and 313 transitions. Second operand 6 states. [2018-11-10 13:34:11,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:34:11,478 INFO L93 Difference]: Finished difference Result 708 states and 887 transitions. [2018-11-10 13:34:11,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 13:34:11,478 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-10 13:34:11,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:34:11,482 INFO L225 Difference]: With dead ends: 708 [2018-11-10 13:34:11,482 INFO L226 Difference]: Without dead ends: 475 [2018-11-10 13:34:11,483 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 13:34:11,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-11-10 13:34:11,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 469. [2018-11-10 13:34:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2018-11-10 13:34:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 576 transitions. [2018-11-10 13:34:11,515 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 576 transitions. Word has length 58 [2018-11-10 13:34:11,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:34:11,515 INFO L481 AbstractCegarLoop]: Abstraction has 469 states and 576 transitions. [2018-11-10 13:34:11,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 13:34:11,515 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 576 transitions. [2018-11-10 13:34:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 13:34:11,518 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:34:11,518 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] [2018-11-10 13:34:11,518 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 13:34:11,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:34:11,518 INFO L82 PathProgramCache]: Analyzing trace with hash -610895286, now seen corresponding path program 1 times [2018-11-10 13:34:11,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:34:11,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:34:11,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:34:11,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:34:11,519 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:34:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:34:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 13:34:11,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:34:11,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 13:34:11,624 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:34:11,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 13:34:11,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 13:34:11,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 13:34:11,625 INFO L87 Difference]: Start difference. First operand 469 states and 576 transitions. Second operand 7 states. [2018-11-10 13:34:11,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:34:11,884 INFO L93 Difference]: Finished difference Result 769 states and 968 transitions. [2018-11-10 13:34:11,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 13:34:11,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-10 13:34:11,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:34:11,886 INFO L225 Difference]: With dead ends: 769 [2018-11-10 13:34:11,886 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 13:34:11,888 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 13:34:11,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 13:34:11,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 13:34:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 13:34:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 13:34:11,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2018-11-10 13:34:11,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:34:11,889 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 13:34:11,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 13:34:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 13:34:11,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 13:34:11,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 13:34:12,632 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 933 939) the Hoare annotation is: true [2018-11-10 13:34:12,632 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 933 939) no Hoare annotation was computed. [2018-11-10 13:34:12,632 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 940 948) no Hoare annotation was computed. [2018-11-10 13:34:12,632 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 940 948) the Hoare annotation is: true [2018-11-10 13:34:12,632 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 940 948) no Hoare annotation was computed. [2018-11-10 13:34:12,632 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 688 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,632 INFO L421 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,633 INFO L421 ceAbstractionStarter]: At program point L700-1(line 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,633 INFO L425 ceAbstractionStarter]: For program point L698(lines 698 705) no Hoare annotation was computed. [2018-11-10 13:34:12,633 INFO L425 ceAbstractionStarter]: For program point L698-1(lines 698 705) no Hoare annotation was computed. [2018-11-10 13:34:12,633 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 688 710) no Hoare annotation was computed. [2018-11-10 13:34:12,633 INFO L425 ceAbstractionStarter]: For program point L696(line 696) no Hoare annotation was computed. [2018-11-10 13:34:12,633 INFO L421 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,633 INFO L421 ceAbstractionStarter]: At program point L694(line 694) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,633 INFO L421 ceAbstractionStarter]: At program point L694-1(line 694) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,633 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 688 710) no Hoare annotation was computed. [2018-11-10 13:34:12,633 INFO L421 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 13:34:12,634 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2018-11-10 13:34:12,634 INFO L425 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2018-11-10 13:34:12,634 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-10 13:34:12,634 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2018-11-10 13:34:12,634 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2018-11-10 13:34:12,634 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2018-11-10 13:34:12,634 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2018-11-10 13:34:12,634 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2018-11-10 13:34:12,634 INFO L428 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-11-10 13:34:12,634 INFO L425 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 926 932) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 926 932) the Hoare annotation is: true [2018-11-10 13:34:12,635 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 675 684) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 675 684) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 675 684) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L428 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L421 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2018-11-10 13:34:12,635 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 775 799) no Hoare annotation was computed. [2018-11-10 13:34:12,636 INFO L421 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 13:34:12,636 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 775 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 13:34:12,636 INFO L421 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 13:34:12,636 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2018-11-10 13:34:12,636 INFO L421 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 13:34:12,636 INFO L425 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-11-10 13:34:12,636 INFO L425 ceAbstractionStarter]: For program point L779(lines 779 796) no Hoare annotation was computed. [2018-11-10 13:34:12,636 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 741 747) no Hoare annotation was computed. [2018-11-10 13:34:12,636 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 741 747) the Hoare annotation is: true [2018-11-10 13:34:12,636 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 543 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,636 INFO L421 ceAbstractionStarter]: At program point L603(lines 552 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,636 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 543 610) no Hoare annotation was computed. [2018-11-10 13:34:12,636 INFO L421 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,637 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 597) no Hoare annotation was computed. [2018-11-10 13:34:12,637 INFO L421 ceAbstractionStarter]: At program point L591-1(lines 583 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,637 INFO L425 ceAbstractionStarter]: For program point L554(lines 553 602) no Hoare annotation was computed. [2018-11-10 13:34:12,637 INFO L421 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,637 INFO L425 ceAbstractionStarter]: For program point L583(lines 583 598) no Hoare annotation was computed. [2018-11-10 13:34:12,637 INFO L421 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,637 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2018-11-10 13:34:12,637 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2018-11-10 13:34:12,637 INFO L421 ceAbstractionStarter]: At program point L600(lines 553 602) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,637 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 13:34:12,637 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2018-11-10 13:34:12,637 INFO L425 ceAbstractionStarter]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2018-11-10 13:34:12,637 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 553 602) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 543 610) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2018-11-10 13:34:12,638 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 13:34:12,638 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-10 13:34:12,638 INFO L425 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2018-11-10 13:34:12,638 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2018-11-10 13:34:12,638 INFO L421 ceAbstractionStarter]: At program point L730(line 730) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-10 13:34:12,639 INFO L421 ceAbstractionStarter]: At program point L728(lines 728 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 13:34:12,639 INFO L421 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 13:34:12,639 INFO L425 ceAbstractionStarter]: For program point L721(lines 720 739) no Hoare annotation was computed. [2018-11-10 13:34:12,639 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 717 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 13:34:12,639 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 717 740) no Hoare annotation was computed. [2018-11-10 13:34:12,639 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 717 740) no Hoare annotation was computed. [2018-11-10 13:34:12,639 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 613 642) no Hoare annotation was computed. [2018-11-10 13:34:12,639 INFO L428 ceAbstractionStarter]: At program point L638(lines 613 642) the Hoare annotation is: true [2018-11-10 13:34:12,639 INFO L425 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2018-11-10 13:34:12,639 INFO L425 ceAbstractionStarter]: For program point L624(line 624) no Hoare annotation was computed. [2018-11-10 13:34:12,639 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 613 642) the Hoare annotation is: true [2018-11-10 13:34:12,639 INFO L425 ceAbstractionStarter]: For program point L627(lines 627 631) no Hoare annotation was computed. [2018-11-10 13:34:12,640 INFO L428 ceAbstractionStarter]: At program point L627-1(lines 627 631) the Hoare annotation is: true [2018-11-10 13:34:12,640 INFO L425 ceAbstractionStarter]: For program point L623-1(lines 623 637) no Hoare annotation was computed. [2018-11-10 13:34:12,640 INFO L428 ceAbstractionStarter]: At program point L623-3(lines 623 637) the Hoare annotation is: true [2018-11-10 13:34:12,640 INFO L428 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: true [2018-11-10 13:34:12,640 INFO L425 ceAbstractionStarter]: For program point L619-1(line 619) no Hoare annotation was computed. [2018-11-10 13:34:12,640 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2018-11-10 13:34:12,640 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-11-10 13:34:12,640 INFO L425 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-11-10 13:34:12,640 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 13:34:12,640 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 13:34:12,640 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 13:34:12,640 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 13:34:12,640 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 668 674) no Hoare annotation was computed. [2018-11-10 13:34:12,640 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 668 674) the Hoare annotation is: true [2018-11-10 13:34:12,640 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 906 913) no Hoare annotation was computed. [2018-11-10 13:34:12,640 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 906 913) the Hoare annotation is: true [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 906 913) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 525) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point L512-1(lines 504 528) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L428 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: true [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 504 528) the Hoare annotation is: true [2018-11-10 13:34:12,641 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 504 528) no Hoare annotation was computed. [2018-11-10 13:34:12,641 INFO L421 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 13:34:12,642 INFO L425 ceAbstractionStarter]: For program point L516(lines 516 522) no Hoare annotation was computed. [2018-11-10 13:34:12,642 INFO L421 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 13:34:12,642 INFO L421 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 13:34:12,642 INFO L425 ceAbstractionStarter]: For program point L768-1(lines 749 773) no Hoare annotation was computed. [2018-11-10 13:34:12,642 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 749 773) no Hoare annotation was computed. [2018-11-10 13:34:12,642 INFO L421 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 13:34:12,642 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 749 773) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-10 13:34:12,642 INFO L421 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 13:34:12,642 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 765) no Hoare annotation was computed. [2018-11-10 13:34:12,642 INFO L421 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-10 13:34:12,643 INFO L425 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2018-11-10 13:34:12,643 INFO L425 ceAbstractionStarter]: For program point L753(lines 753 770) no Hoare annotation was computed. [2018-11-10 13:34:12,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:34:12 BoogieIcfgContainer [2018-11-10 13:34:12,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:34:12,660 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:34:12,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:34:12,660 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:34:12,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:34:10" (3/4) ... [2018-11-10 13:34:12,663 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 13:34:12,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 13:34:12,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 13:34:12,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 13:34:12,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 13:34:12,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 13:34:12,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 13:34:12,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 13:34:12,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 13:34:12,669 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 13:34:12,670 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 13:34:12,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 13:34:12,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 13:34:12,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 13:34:12,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 13:34:12,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 13:34:12,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-10 13:34:12,679 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-11-10 13:34:12,679 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 13:34:12,680 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 13:34:12,705 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 13:34:12,706 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 13:34:12,748 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_33d78924-e2f5-497e-bdce-ac9d6f6891c3/bin-2019/utaipan/witness.graphml [2018-11-10 13:34:12,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:34:12,749 INFO L168 Benchmark]: Toolchain (without parser) took 3585.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 957.5 MB in the beginning and 1.0 GB in the end (delta: -54.8 MB). Peak memory consumption was 172.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:34:12,750 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:34:12,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.54 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 930.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 13:34:12,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 930.7 MB in the beginning and 1.1 GB in the end (delta: -214.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:34:12,751 INFO L168 Benchmark]: Boogie Preprocessor took 32.03 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. [2018-11-10 13:34:12,751 INFO L168 Benchmark]: RCFGBuilder took 595.44 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: 90.8 MB). Peak memory consumption was 90.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:34:12,751 INFO L168 Benchmark]: TraceAbstraction took 2494.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.7 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:34:12,751 INFO L168 Benchmark]: Witness Printer took 88.06 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 13:34:12,753 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.54 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 930.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 930.7 MB in the beginning and 1.1 GB in the end (delta: -214.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 595.44 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: 90.8 MB). Peak memory consumption was 90.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2494.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.7 MB). Peak memory consumption was 106.6 MB. Max. memory is 11.5 GB. * Witness Printer took 88.06 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 144 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 725 SDtfs, 429 SDslu, 1380 SDs, 0 SdLazy, 474 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=469occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 590 PreInvPairs, 637 NumberOfFragments, 548 HoareAnnotationTreeSize, 590 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2103 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 26986 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...