./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/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 cad73398e0cf8deb8923c0d0bd284c41454d0d9c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 03:58:50,065 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 03:58:50,066 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 03:58:50,072 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 03:58:50,072 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 03:58:50,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 03:58:50,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 03:58:50,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 03:58:50,075 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 03:58:50,075 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 03:58:50,076 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 03:58:50,076 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 03:58:50,076 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 03:58:50,077 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 03:58:50,077 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 03:58:50,077 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 03:58:50,078 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 03:58:50,079 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 03:58:50,080 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 03:58:50,080 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 03:58:50,081 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 03:58:50,082 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 03:58:50,083 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 03:58:50,083 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 03:58:50,083 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 03:58:50,083 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 03:58:50,084 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 03:58:50,084 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 03:58:50,085 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 03:58:50,085 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 03:58:50,085 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 03:58:50,086 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 03:58:50,086 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 03:58:50,086 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 03:58:50,086 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 03:58:50,087 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 03:58:50,087 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 03:58:50,094 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 03:58:50,094 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 03:58:50,094 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 03:58:50,095 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 03:58:50,095 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 03:58:50,095 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 03:58:50,095 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 03:58:50,095 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 03:58:50,095 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 03:58:50,095 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 03:58:50,095 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 03:58:50,095 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 03:58:50,095 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 03:58:50,096 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 03:58:50,096 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 03:58:50,096 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 03:58:50,096 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 03:58:50,096 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 03:58:50,096 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 03:58:50,096 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 03:58:50,097 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 03:58:50,097 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 03:58:50,097 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 03:58:50,097 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 03:58:50,097 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 03:58:50,097 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 03:58:50,097 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 03:58:50,097 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 03:58:50,097 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:58:50,097 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 03:58:50,097 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 03:58:50,098 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 03:58:50,098 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 03:58:50,098 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 03:58:50,098 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 03:58:50,098 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 03:58:50,098 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_fbbb45ef-258b-489d-ba0a-d68761876d66/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 -> cad73398e0cf8deb8923c0d0bd284c41454d0d9c [2018-12-03 03:58:50,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 03:58:50,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 03:58:50,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 03:58:50,128 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 03:58:50,128 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 03:58:50,129 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-12-03 03:58:50,165 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/data/c3547fbb7/153faab5d1fe4b89bf44b9d047ec0115/FLAG95bb8efca [2018-12-03 03:58:50,620 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 03:58:50,620 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/sv-benchmarks/c/product-lines/minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-12-03 03:58:50,626 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/data/c3547fbb7/153faab5d1fe4b89bf44b9d047ec0115/FLAG95bb8efca [2018-12-03 03:58:50,634 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/data/c3547fbb7/153faab5d1fe4b89bf44b9d047ec0115 [2018-12-03 03:58:50,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 03:58:50,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 03:58:50,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 03:58:50,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 03:58:50,639 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 03:58:50,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50, skipping insertion in model container [2018-12-03 03:58:50,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 03:58:50,665 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 03:58:50,812 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:58:50,820 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 03:58:50,894 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:58:50,909 INFO L195 MainTranslator]: Completed translation [2018-12-03 03:58:50,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50 WrapperNode [2018-12-03 03:58:50,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 03:58:50,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 03:58:50,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 03:58:50,911 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 03:58:50,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 03:58:50,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 03:58:50,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 03:58:50,931 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 03:58:50,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (1/1) ... [2018-12-03 03:58:50,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 03:58:50,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 03:58:50,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 03:58:50,954 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 03:58:50,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:58:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 03:58:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 03:58:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 03:58:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 03:58:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 03:58:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 03:58:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 03:58:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 03:58:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 03:58:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 03:58:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 03:58:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 03:58:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 03:58:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 03:58:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 03:58:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 03:58:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 03:58:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 03:58:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 03:58:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-03 03:58:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-03 03:58:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-03 03:58:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-03 03:58:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 03:58:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 03:58:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 03:58:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 03:58:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 03:58:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 03:58:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 03:58:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 03:58:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 03:58:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 03:58:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 03:58:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 03:58:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 03:58:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 03:58:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 03:58:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 03:58:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 03:58:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 03:58:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 03:58:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 03:58:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 03:58:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 03:58:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 03:58:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 03:58:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 03:58:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 03:58:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 03:58:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 03:58:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 03:58:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 03:58:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 03:58:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 03:58:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 03:58:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 03:58:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 03:58:51,301 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 03:58:51,301 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 03:58:51,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:58:51 BoogieIcfgContainer [2018-12-03 03:58:51,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 03:58:51,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 03:58:51,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 03:58:51,304 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 03:58:51,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 03:58:50" (1/3) ... [2018-12-03 03:58:51,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc7a847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:58:51, skipping insertion in model container [2018-12-03 03:58:51,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:58:50" (2/3) ... [2018-12-03 03:58:51,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc7a847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:58:51, skipping insertion in model container [2018-12-03 03:58:51,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:58:51" (3/3) ... [2018-12-03 03:58:51,307 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24_true-unreach-call_false-termination.cil.c [2018-12-03 03:58:51,313 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 03:58:51,318 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 03:58:51,328 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 03:58:51,348 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 03:58:51,348 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 03:58:51,348 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 03:58:51,348 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 03:58:51,348 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 03:58:51,348 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 03:58:51,349 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 03:58:51,349 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 03:58:51,361 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-12-03 03:58:51,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 03:58:51,366 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:58:51,367 INFO L402 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] [2018-12-03 03:58:51,368 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:58:51,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:58:51,372 INFO L82 PathProgramCache]: Analyzing trace with hash 283443352, now seen corresponding path program 1 times [2018-12-03 03:58:51,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:58:51,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:58:51,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:58:51,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:58:51,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:58:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:58:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:58:51,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:58:51,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 03:58:51,537 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:58:51,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 03:58:51,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 03:58:51,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 03:58:51,550 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-12-03 03:58:51,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:58:51,573 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2018-12-03 03:58:51,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 03:58:51,574 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-03 03:58:51,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:58:51,581 INFO L225 Difference]: With dead ends: 264 [2018-12-03 03:58:51,581 INFO L226 Difference]: Without dead ends: 134 [2018-12-03 03:58:51,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 03:58:51,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-03 03:58:51,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-03 03:58:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-03 03:58:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2018-12-03 03:58:51,618 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2018-12-03 03:58:51,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:58:51,618 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2018-12-03 03:58:51,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 03:58:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2018-12-03 03:58:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 03:58:51,621 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:58:51,621 INFO L402 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] [2018-12-03 03:58:51,622 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:58:51,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:58:51,622 INFO L82 PathProgramCache]: Analyzing trace with hash -350328455, now seen corresponding path program 1 times [2018-12-03 03:58:51,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:58:51,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:58:51,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:58:51,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:58:51,623 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:58:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:58:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:58:51,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:58:51,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 03:58:51,683 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:58:51,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:58:51,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:58:51,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:58:51,685 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2018-12-03 03:58:51,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:58:51,704 INFO L93 Difference]: Finished difference Result 203 states and 241 transitions. [2018-12-03 03:58:51,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:58:51,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 03:58:51,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:58:51,706 INFO L225 Difference]: With dead ends: 203 [2018-12-03 03:58:51,706 INFO L226 Difference]: Without dead ends: 125 [2018-12-03 03:58:51,707 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:58:51,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-03 03:58:51,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-03 03:58:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-03 03:58:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-12-03 03:58:51,716 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2018-12-03 03:58:51,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:58:51,716 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-12-03 03:58:51,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:58:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-12-03 03:58:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 03:58:51,717 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:58:51,717 INFO L402 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] [2018-12-03 03:58:51,717 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:58:51,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:58:51,718 INFO L82 PathProgramCache]: Analyzing trace with hash -637373980, now seen corresponding path program 1 times [2018-12-03 03:58:51,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:58:51,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:58:51,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:58:51,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:58:51,718 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:58:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:58:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:58:51,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:58:51,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 03:58:51,812 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:58:51,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 03:58:51,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 03:58:51,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 03:58:51,813 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2018-12-03 03:58:52,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:58:52,045 INFO L93 Difference]: Finished difference Result 370 states and 455 transitions. [2018-12-03 03:58:52,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 03:58:52,045 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-03 03:58:52,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:58:52,048 INFO L225 Difference]: With dead ends: 370 [2018-12-03 03:58:52,048 INFO L226 Difference]: Without dead ends: 273 [2018-12-03 03:58:52,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 03:58:52,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-12-03 03:58:52,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 261. [2018-12-03 03:58:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-12-03 03:58:52,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2018-12-03 03:58:52,077 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 57 [2018-12-03 03:58:52,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:58:52,078 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2018-12-03 03:58:52,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 03:58:52,078 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2018-12-03 03:58:52,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-03 03:58:52,080 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:58:52,080 INFO L402 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] [2018-12-03 03:58:52,081 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:58:52,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:58:52,081 INFO L82 PathProgramCache]: Analyzing trace with hash 290354138, now seen corresponding path program 1 times [2018-12-03 03:58:52,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:58:52,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:58:52,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:58:52,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:58:52,082 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:58:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:58:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:58:52,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:58:52,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 03:58:52,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:58:52,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 03:58:52,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 03:58:52,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:58:52,162 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand 6 states. [2018-12-03 03:58:52,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:58:52,274 INFO L93 Difference]: Finished difference Result 709 states and 894 transitions. [2018-12-03 03:58:52,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 03:58:52,275 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-03 03:58:52,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:58:52,278 INFO L225 Difference]: With dead ends: 709 [2018-12-03 03:58:52,278 INFO L226 Difference]: Without dead ends: 476 [2018-12-03 03:58:52,280 INFO L631 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 [2018-12-03 03:58:52,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-12-03 03:58:52,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 470. [2018-12-03 03:58:52,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-12-03 03:58:52,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 580 transitions. [2018-12-03 03:58:52,312 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 580 transitions. Word has length 62 [2018-12-03 03:58:52,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:58:52,312 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 580 transitions. [2018-12-03 03:58:52,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 03:58:52,312 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 580 transitions. [2018-12-03 03:58:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-03 03:58:52,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:58:52,315 INFO L402 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] [2018-12-03 03:58:52,315 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:58:52,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:58:52,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1664493770, now seen corresponding path program 1 times [2018-12-03 03:58:52,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:58:52,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:58:52,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:58:52,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:58:52,316 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:58:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:58:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:58:52,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:58:52,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 03:58:52,389 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:58:52,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 03:58:52,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 03:58:52,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 03:58:52,390 INFO L87 Difference]: Start difference. First operand 470 states and 580 transitions. Second operand 7 states. [2018-12-03 03:58:52,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:58:52,575 INFO L93 Difference]: Finished difference Result 764 states and 969 transitions. [2018-12-03 03:58:52,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 03:58:52,575 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-03 03:58:52,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:58:52,576 INFO L225 Difference]: With dead ends: 764 [2018-12-03 03:58:52,576 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 03:58:52,579 INFO L631 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 [2018-12-03 03:58:52,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 03:58:52,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 03:58:52,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 03:58:52,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 03:58:52,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-12-03 03:58:52,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:58:52,580 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 03:58:52,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 03:58:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 03:58:52,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 03:58:52,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 03:58:53,192 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 712 718) the Hoare annotation is: true [2018-12-03 03:58:53,192 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 712 718) no Hoare annotation was computed. [2018-12-03 03:58:53,192 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 719 727) no Hoare annotation was computed. [2018-12-03 03:58:53,192 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 719 727) the Hoare annotation is: true [2018-12-03 03:58:53,192 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 719 727) no Hoare annotation was computed. [2018-12-03 03:58:53,192 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 803 825) 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))) [2018-12-03 03:58:53,192 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 803 825) no Hoare annotation was computed. [2018-12-03 03:58:53,192 INFO L444 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:58:53,193 INFO L444 ceAbstractionStarter]: At program point L815-1(line 815) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:58:53,193 INFO L448 ceAbstractionStarter]: For program point L813(lines 813 820) no Hoare annotation was computed. [2018-12-03 03:58:53,193 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 803 825) no Hoare annotation was computed. [2018-12-03 03:58:53,193 INFO L448 ceAbstractionStarter]: For program point L813-1(lines 813 820) no Hoare annotation was computed. [2018-12-03 03:58:53,193 INFO L448 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2018-12-03 03:58:53,193 INFO L444 ceAbstractionStarter]: At program point L810(line 810) 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))) [2018-12-03 03:58:53,193 INFO L444 ceAbstractionStarter]: At program point L809(line 809) 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))) [2018-12-03 03:58:53,193 INFO L444 ceAbstractionStarter]: At program point L809-1(line 809) 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))) [2018-12-03 03:58:53,194 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 229 243) no Hoare annotation was computed. [2018-12-03 03:58:53,194 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-03 03:58:53,194 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2018-12-03 03:58:53,194 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 229 243) 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))))) [2018-12-03 03:58:53,194 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 229 243) no Hoare annotation was computed. [2018-12-03 03:58:53,194 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 165 173) no Hoare annotation was computed. [2018-12-03 03:58:53,194 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 165 173) the Hoare annotation is: true [2018-12-03 03:58:53,195 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 165 173) no Hoare annotation was computed. [2018-12-03 03:58:53,195 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 223) no Hoare annotation was computed. [2018-12-03 03:58:53,195 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 210 228) the Hoare annotation is: true [2018-12-03 03:58:53,195 INFO L451 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: true [2018-12-03 03:58:53,195 INFO L448 ceAbstractionStarter]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2018-12-03 03:58:53,195 INFO L448 ceAbstractionStarter]: For program point L217-1(line 217) no Hoare annotation was computed. [2018-12-03 03:58:53,195 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 210 228) no Hoare annotation was computed. [2018-12-03 03:58:53,195 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 210 228) no Hoare annotation was computed. [2018-12-03 03:58:53,195 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 705 711) no Hoare annotation was computed. [2018-12-03 03:58:53,195 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 705 711) the Hoare annotation is: true [2018-12-03 03:58:53,195 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 792 802) 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))) [2018-12-03 03:58:53,195 INFO L444 ceAbstractionStarter]: At program point L797(line 797) 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))) [2018-12-03 03:58:53,195 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 792 802) no Hoare annotation was computed. [2018-12-03 03:58:53,196 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 792 802) no Hoare annotation was computed. [2018-12-03 03:58:53,196 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 154 164) the Hoare annotation is: true [2018-12-03 03:58:53,196 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-12-03 03:58:53,196 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-12-03 03:58:53,196 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 154 164) no Hoare annotation was computed. [2018-12-03 03:58:53,196 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 154 164) no Hoare annotation was computed. [2018-12-03 03:58:53,196 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 146 153) the Hoare annotation is: true [2018-12-03 03:58:53,196 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 146 153) no Hoare annotation was computed. [2018-12-03 03:58:53,196 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 146 153) no Hoare annotation was computed. [2018-12-03 03:58:53,196 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 03:58:53,196 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 03:58:53,196 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-12-03 03:58:53,196 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 03:58:53,197 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 113 137) no Hoare annotation was computed. [2018-12-03 03:58:53,197 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-12-03 03:58:53,197 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-12-03 03:58:53,197 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 113 137) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 03:58:53,197 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 03:58:53,197 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-12-03 03:58:53,197 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-12-03 03:58:53,197 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-12-03 03:58:53,197 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 256 323) 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))) [2018-12-03 03:58:53,197 INFO L444 ceAbstractionStarter]: At program point L316(lines 265 317) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:58:53,197 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 256 323) no Hoare annotation was computed. [2018-12-03 03:58:53,197 INFO L444 ceAbstractionStarter]: At program point L306(line 306) 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))) [2018-12-03 03:58:53,198 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 310) no Hoare annotation was computed. [2018-12-03 03:58:53,198 INFO L444 ceAbstractionStarter]: At program point L304-1(lines 296 311) 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))) [2018-12-03 03:58:53,198 INFO L448 ceAbstractionStarter]: For program point L267(lines 266 315) no Hoare annotation was computed. [2018-12-03 03:58:53,198 INFO L444 ceAbstractionStarter]: At program point L298(line 298) 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))) [2018-12-03 03:58:53,198 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 311) no Hoare annotation was computed. [2018-12-03 03:58:53,198 INFO L444 ceAbstractionStarter]: At program point L288(line 288) 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))) [2018-12-03 03:58:53,198 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 292) no Hoare annotation was computed. [2018-12-03 03:58:53,198 INFO L448 ceAbstractionStarter]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2018-12-03 03:58:53,198 INFO L444 ceAbstractionStarter]: At program point L313(lines 266 315) 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))) [2018-12-03 03:58:53,199 INFO L444 ceAbstractionStarter]: At program point L278(line 278) 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))) [2018-12-03 03:58:53,199 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 282) no Hoare annotation was computed. [2018-12-03 03:58:53,199 INFO L448 ceAbstractionStarter]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2018-12-03 03:58:53,199 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 272) no Hoare annotation was computed. [2018-12-03 03:58:53,199 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 256 323) no Hoare annotation was computed. [2018-12-03 03:58:53,199 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 956 964) no Hoare annotation was computed. [2018-12-03 03:58:53,199 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 956 964) the Hoare annotation is: true [2018-12-03 03:58:53,199 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 956 964) no Hoare annotation was computed. [2018-12-03 03:58:53,199 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-03 03:58:53,199 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-12-03 03:58:53,199 INFO L448 ceAbstractionStarter]: For program point L849(lines 849 859) no Hoare annotation was computed. [2018-12-03 03:58:53,199 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 837 865) the Hoare annotation is: true [2018-12-03 03:58:53,199 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 03:58:53,199 INFO L448 ceAbstractionStarter]: For program point L847-1(line 847) no Hoare annotation was computed. [2018-12-03 03:58:53,199 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 862) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point L845-1(lines 837 865) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L451 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: true [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point L843-1(line 843) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 837 865) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 829 836) the Hoare annotation is: true [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 829 836) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 829 836) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 903 914) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 903 914) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L451 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: true [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 730 759) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-12-03 03:58:53,200 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 730 759) the Hoare annotation is: true [2018-12-03 03:58:53,200 INFO L451 ceAbstractionStarter]: At program point L755(lines 730 759) the Hoare annotation is: true [2018-12-03 03:58:53,200 INFO L448 ceAbstractionStarter]: For program point L751(line 751) no Hoare annotation was computed. [2018-12-03 03:58:53,201 INFO L448 ceAbstractionStarter]: For program point L744(lines 744 748) no Hoare annotation was computed. [2018-12-03 03:58:53,201 INFO L451 ceAbstractionStarter]: At program point L744-1(lines 744 748) the Hoare annotation is: true [2018-12-03 03:58:53,201 INFO L448 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2018-12-03 03:58:53,201 INFO L451 ceAbstractionStarter]: At program point L740-2(lines 740 754) the Hoare annotation is: true [2018-12-03 03:58:53,201 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 915 923) the Hoare annotation is: true [2018-12-03 03:58:53,201 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 915 923) no Hoare annotation was computed. [2018-12-03 03:58:53,201 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 915 923) no Hoare annotation was computed. [2018-12-03 03:58:53,201 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-03 03:58:53,201 INFO L448 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-12-03 03:58:53,201 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 03:58:53,201 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-12-03 03:58:53,201 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-12-03 03:58:53,202 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 03:58:53,202 INFO L444 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 03:58:53,202 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 879 890) the Hoare annotation is: true [2018-12-03 03:58:53,202 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 879 890) no Hoare annotation was computed. [2018-12-03 03:58:53,202 INFO L448 ceAbstractionStarter]: For program point L883-1(lines 879 890) no Hoare annotation was computed. [2018-12-03 03:58:53,202 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 784 790) no Hoare annotation was computed. [2018-12-03 03:58:53,202 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 784 790) the Hoare annotation is: true [2018-12-03 03:58:53,202 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:58:53,202 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-03 03:58:53,202 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 03:58:53,203 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:58:53,203 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 244 251) no Hoare annotation was computed. [2018-12-03 03:58:53,203 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 244 251) the Hoare annotation is: true [2018-12-03 03:58:53,203 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 244 251) no Hoare annotation was computed. [2018-12-03 03:58:53,203 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 891 902) no Hoare annotation was computed. [2018-12-03 03:58:53,203 INFO L448 ceAbstractionStarter]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2018-12-03 03:58:53,203 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 891 902) the Hoare annotation is: true [2018-12-03 03:58:53,203 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 867 874) no Hoare annotation was computed. [2018-12-03 03:58:53,203 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 867 874) the Hoare annotation is: true [2018-12-03 03:58:53,203 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 867 874) no Hoare annotation was computed. [2018-12-03 03:58:53,203 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2018-12-03 03:58:53,204 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 03:58:53,204 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-12-03 03:58:53,204 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-12-03 03:58:53,204 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 03:58:53,204 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-12-03 03:58:53,204 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-12-03 03:58:53,204 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 87 111) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 03:58:53,204 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 03:58:53,204 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-12-03 03:58:53,204 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-03 03:58:53,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 03:58:53 BoogieIcfgContainer [2018-12-03 03:58:53,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 03:58:53,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 03:58:53,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 03:58:53,214 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 03:58:53,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:58:51" (3/4) ... [2018-12-03 03:58:53,217 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 03:58:53,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 03:58:53,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 03:58:53,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 03:58:53,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-03 03:58:53,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 03:58:53,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 03:58:53,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 03:58:53,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 03:58:53,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 03:58:53,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 03:58:53,228 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-03 03:58:53,228 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 03:58:53,228 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 03:58:53,228 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-03 03:58:53,228 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 03:58:53,229 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 03:58:53,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 03:58:53,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 03:58:53,268 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fbbb45ef-258b-489d-ba0a-d68761876d66/bin-2019/utaipan/witness.graphml [2018-12-03 03:58:53,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 03:58:53,269 INFO L168 Benchmark]: Toolchain (without parser) took 2632.65 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.9 MB). Free memory was 953.5 MB in the beginning and 1.0 GB in the end (delta: -93.4 MB). Peak memory consumption was 131.6 MB. Max. memory is 11.5 GB. [2018-12-03 03:58:53,270 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:58:53,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-03 03:58:53,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:58:53,270 INFO L168 Benchmark]: Boogie Preprocessor took 22.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:58:53,270 INFO L168 Benchmark]: RCFGBuilder took 347.70 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-12-03 03:58:53,270 INFO L168 Benchmark]: TraceAbstraction took 1911.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 286.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:58:53,270 INFO L168 Benchmark]: Witness Printer took 54.55 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-12-03 03:58:53,271 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.49 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 347.70 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1911.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 286.7 MB. Max. memory is 11.5 GB. * Witness Printer took 54.55 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 871]: 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: 265]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 748 SDtfs, 442 SDslu, 1419 SDs, 0 SdLazy, 491 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s 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=470occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 592 PreInvPairs, 639 NumberOfFragments, 572 HoareAnnotationTreeSize, 592 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 2131 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 30083 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...