./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44_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_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/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 a22c1e90e019171affadaeb315d0122780579e6b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:49:12,749 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:49:12,751 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:49:12,758 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:49:12,758 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:49:12,759 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:49:12,759 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:49:12,760 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:49:12,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:49:12,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:49:12,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:49:12,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:49:12,763 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:49:12,764 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:49:12,765 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:49:12,765 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:49:12,766 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:49:12,767 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:49:12,768 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:49:12,770 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:49:12,770 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:49:12,771 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:49:12,773 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:49:12,773 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:49:12,773 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:49:12,774 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:49:12,774 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:49:12,775 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:49:12,776 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:49:12,776 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:49:12,776 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:49:12,777 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:49:12,777 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:49:12,777 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:49:12,778 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:49:12,778 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:49:12,778 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 15:49:12,788 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:49:12,788 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:49:12,789 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:49:12,789 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:49:12,789 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:49:12,789 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:49:12,789 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:49:12,790 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 15:49:12,790 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:49:12,790 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:49:12,790 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 15:49:12,790 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 15:49:12,790 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:49:12,791 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:49:12,791 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:49:12,791 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:49:12,791 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:49:12,791 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:49:12,791 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:49:12,791 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:49:12,792 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:49:12,792 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:49:12,792 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:49:12,792 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:49:12,792 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:49:12,792 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:49:12,792 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:49:12,792 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:49:12,792 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:49:12,793 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:49:12,793 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:49:12,793 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:49:12,793 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 15:49:12,793 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:49:12,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:49:12,793 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 15:49:12,793 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_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/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 -> a22c1e90e019171affadaeb315d0122780579e6b [2018-12-09 15:49:12,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:49:12,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:49:12,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:49:12,828 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:49:12,828 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:49:12,829 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-12-09 15:49:12,871 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/data/c50237219/817427964d8e487ab0aa12152b752088/FLAGc04de5396 [2018-12-09 15:49:13,197 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:49:13,197 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-12-09 15:49:13,203 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/data/c50237219/817427964d8e487ab0aa12152b752088/FLAGc04de5396 [2018-12-09 15:49:13,599 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/data/c50237219/817427964d8e487ab0aa12152b752088 [2018-12-09 15:49:13,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:49:13,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:49:13,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:49:13,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:49:13,607 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:49:13,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13, skipping insertion in model container [2018-12-09 15:49:13,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:49:13,635 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:49:13,778 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:49:13,786 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:49:13,879 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:49:13,898 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:49:13,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13 WrapperNode [2018-12-09 15:49:13,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:49:13,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:49:13,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:49:13,899 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:49:13,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:49:13,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:49:13,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:49:13,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:49:13,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (1/1) ... [2018-12-09 15:49:13,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:49:13,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:49:13,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:49:13,954 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:49:13,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:49:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 15:49:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 15:49:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:49:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:49:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 15:49:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 15:49:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:49:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 15:49:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 15:49:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 15:49:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 15:49:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 15:49:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 15:49:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 15:49:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 15:49:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 15:49:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 15:49:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 15:49:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 15:49:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 15:49:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 15:49:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 15:49:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 15:49:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 15:49:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 15:49:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 15:49:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 15:49:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 15:49:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 15:49:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 15:49:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 15:49:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 15:49:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 15:49:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 15:49:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 15:49:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 15:49:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 15:49:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 15:49:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 15:49:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-09 15:49:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-09 15:49:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-09 15:49:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-09 15:49:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-09 15:49:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-09 15:49:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 15:49:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 15:49:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 15:49:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 15:49:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 15:49:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 15:49:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 15:49:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 15:49:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 15:49:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 15:49:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 15:49:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:49:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:49:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 15:49:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 15:49:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 15:49:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 15:49:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:49:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:49:14,319 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:49:14,320 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 15:49:14,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:49:14 BoogieIcfgContainer [2018-12-09 15:49:14,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:49:14,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:49:14,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:49:14,322 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:49:14,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:49:13" (1/3) ... [2018-12-09 15:49:14,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1df19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:49:14, skipping insertion in model container [2018-12-09 15:49:14,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:49:13" (2/3) ... [2018-12-09 15:49:14,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1df19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:49:14, skipping insertion in model container [2018-12-09 15:49:14,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:49:14" (3/3) ... [2018-12-09 15:49:14,324 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-12-09 15:49:14,330 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:49:14,335 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:49:14,345 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:49:14,364 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:49:14,364 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:49:14,364 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:49:14,364 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:49:14,365 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:49:14,365 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:49:14,365 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:49:14,365 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:49:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-12-09 15:49:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 15:49:14,381 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:14,382 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:14,383 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:14,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:14,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1967497921, now seen corresponding path program 1 times [2018-12-09 15:49:14,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:14,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:14,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:14,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:14,416 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:49:14,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:49:14,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:49:14,530 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:49:14,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:49:14,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:49:14,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:49:14,542 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-12-09 15:49:14,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:14,565 INFO L93 Difference]: Finished difference Result 282 states and 343 transitions. [2018-12-09 15:49:14,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:49:14,566 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-09 15:49:14,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:14,573 INFO L225 Difference]: With dead ends: 282 [2018-12-09 15:49:14,573 INFO L226 Difference]: Without dead ends: 143 [2018-12-09 15:49:14,575 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:49:14,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-09 15:49:14,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-09 15:49:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-09 15:49:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2018-12-09 15:49:14,607 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2018-12-09 15:49:14,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:14,607 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2018-12-09 15:49:14,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:49:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2018-12-09 15:49:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 15:49:14,608 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:14,609 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:14,609 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:14,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:14,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1179276103, now seen corresponding path program 1 times [2018-12-09 15:49:14,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:14,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:14,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:14,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:14,610 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:49:14,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:49:14,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:49:14,666 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:49:14,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:49:14,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:49:14,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:49:14,668 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 3 states. [2018-12-09 15:49:14,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:14,681 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2018-12-09 15:49:14,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:49:14,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-09 15:49:14,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:14,682 INFO L225 Difference]: With dead ends: 218 [2018-12-09 15:49:14,682 INFO L226 Difference]: Without dead ends: 134 [2018-12-09 15:49:14,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:49:14,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-09 15:49:14,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-09 15:49:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-09 15:49:14,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2018-12-09 15:49:14,691 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2018-12-09 15:49:14,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:14,691 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2018-12-09 15:49:14,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:49:14,691 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2018-12-09 15:49:14,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 15:49:14,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:14,692 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:14,692 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:14,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:14,692 INFO L82 PathProgramCache]: Analyzing trace with hash -302547009, now seen corresponding path program 1 times [2018-12-09 15:49:14,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:14,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:14,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:14,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:14,693 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:49:14,793 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:49:14,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:49:14,793 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:49:14,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:49:14,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:49:14,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:49:14,794 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 7 states. [2018-12-09 15:49:15,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:15,023 INFO L93 Difference]: Finished difference Result 402 states and 479 transitions. [2018-12-09 15:49:15,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:49:15,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-09 15:49:15,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:15,026 INFO L225 Difference]: With dead ends: 402 [2018-12-09 15:49:15,026 INFO L226 Difference]: Without dead ends: 296 [2018-12-09 15:49:15,027 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:49:15,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-12-09 15:49:15,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 272. [2018-12-09 15:49:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-12-09 15:49:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 322 transitions. [2018-12-09 15:49:15,048 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 322 transitions. Word has length 65 [2018-12-09 15:49:15,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:15,049 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 322 transitions. [2018-12-09 15:49:15,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:49:15,049 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2018-12-09 15:49:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 15:49:15,050 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:15,051 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:15,051 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:15,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:15,051 INFO L82 PathProgramCache]: Analyzing trace with hash 242721131, now seen corresponding path program 1 times [2018-12-09 15:49:15,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:15,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:15,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:15,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:15,052 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 15:49:15,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:49:15,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:49:15,128 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:49:15,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:49:15,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:49:15,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:49:15,129 INFO L87 Difference]: Start difference. First operand 272 states and 322 transitions. Second operand 7 states. [2018-12-09 15:49:15,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:15,470 INFO L93 Difference]: Finished difference Result 682 states and 859 transitions. [2018-12-09 15:49:15,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 15:49:15,470 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-09 15:49:15,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:15,473 INFO L225 Difference]: With dead ends: 682 [2018-12-09 15:49:15,473 INFO L226 Difference]: Without dead ends: 438 [2018-12-09 15:49:15,475 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 15:49:15,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-12-09 15:49:15,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 390. [2018-12-09 15:49:15,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-12-09 15:49:15,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 462 transitions. [2018-12-09 15:49:15,507 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 462 transitions. Word has length 70 [2018-12-09 15:49:15,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:15,507 INFO L480 AbstractCegarLoop]: Abstraction has 390 states and 462 transitions. [2018-12-09 15:49:15,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:49:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 462 transitions. [2018-12-09 15:49:15,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 15:49:15,510 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:15,510 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:15,510 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:15,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:15,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1416188496, now seen corresponding path program 1 times [2018-12-09 15:49:15,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:15,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:15,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:15,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:15,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:49:15,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:49:15,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:49:15,562 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:49:15,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:49:15,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:49:15,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:49:15,563 INFO L87 Difference]: Start difference. First operand 390 states and 462 transitions. Second operand 6 states. [2018-12-09 15:49:15,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:15,592 INFO L93 Difference]: Finished difference Result 766 states and 932 transitions. [2018-12-09 15:49:15,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 15:49:15,593 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-09 15:49:15,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:15,594 INFO L225 Difference]: With dead ends: 766 [2018-12-09 15:49:15,594 INFO L226 Difference]: Without dead ends: 404 [2018-12-09 15:49:15,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:49:15,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-12-09 15:49:15,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 400. [2018-12-09 15:49:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-12-09 15:49:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 472 transitions. [2018-12-09 15:49:15,616 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 472 transitions. Word has length 103 [2018-12-09 15:49:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:15,616 INFO L480 AbstractCegarLoop]: Abstraction has 400 states and 472 transitions. [2018-12-09 15:49:15,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:49:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 472 transitions. [2018-12-09 15:49:15,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 15:49:15,618 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:15,618 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:15,618 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:15,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:15,618 INFO L82 PathProgramCache]: Analyzing trace with hash 829390958, now seen corresponding path program 1 times [2018-12-09 15:49:15,618 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:15,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:15,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:15,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:15,619 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:49:15,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:49:15,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 15:49:15,697 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:49:15,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 15:49:15,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 15:49:15,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 15:49:15,698 INFO L87 Difference]: Start difference. First operand 400 states and 472 transitions. Second operand 8 states. [2018-12-09 15:49:15,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:15,731 INFO L93 Difference]: Finished difference Result 786 states and 952 transitions. [2018-12-09 15:49:15,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 15:49:15,732 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-09 15:49:15,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:15,734 INFO L225 Difference]: With dead ends: 786 [2018-12-09 15:49:15,734 INFO L226 Difference]: Without dead ends: 414 [2018-12-09 15:49:15,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 15:49:15,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-12-09 15:49:15,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 408. [2018-12-09 15:49:15,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-12-09 15:49:15,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 480 transitions. [2018-12-09 15:49:15,755 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 480 transitions. Word has length 103 [2018-12-09 15:49:15,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:15,755 INFO L480 AbstractCegarLoop]: Abstraction has 408 states and 480 transitions. [2018-12-09 15:49:15,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 15:49:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 480 transitions. [2018-12-09 15:49:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 15:49:15,757 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:15,757 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:15,757 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:15,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:15,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1798971981, now seen corresponding path program 1 times [2018-12-09 15:49:15,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:15,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:15,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:15,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:15,758 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:15,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:49:15,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:49:15,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 15:49:15,814 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:49:15,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 15:49:15,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 15:49:15,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:49:15,815 INFO L87 Difference]: Start difference. First operand 408 states and 480 transitions. Second operand 4 states. [2018-12-09 15:49:15,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:15,957 INFO L93 Difference]: Finished difference Result 1274 states and 1571 transitions. [2018-12-09 15:49:15,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 15:49:15,958 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-09 15:49:15,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:15,960 INFO L225 Difference]: With dead ends: 1274 [2018-12-09 15:49:15,960 INFO L226 Difference]: Without dead ends: 894 [2018-12-09 15:49:15,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:49:15,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-12-09 15:49:15,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 877. [2018-12-09 15:49:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-12-09 15:49:15,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1058 transitions. [2018-12-09 15:49:15,990 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1058 transitions. Word has length 103 [2018-12-09 15:49:15,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:15,990 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1058 transitions. [2018-12-09 15:49:15,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 15:49:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1058 transitions. [2018-12-09 15:49:15,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 15:49:15,992 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:15,992 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:15,992 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:15,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:15,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1310725267, now seen corresponding path program 1 times [2018-12-09 15:49:15,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:15,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:15,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:15,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:15,993 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:49:16,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:49:16,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 15:49:16,081 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:49:16,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 15:49:16,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 15:49:16,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:49:16,082 INFO L87 Difference]: Start difference. First operand 877 states and 1058 transitions. Second operand 9 states. [2018-12-09 15:49:16,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:16,639 INFO L93 Difference]: Finished difference Result 2428 states and 3059 transitions. [2018-12-09 15:49:16,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 15:49:16,639 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2018-12-09 15:49:16,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:16,647 INFO L225 Difference]: With dead ends: 2428 [2018-12-09 15:49:16,647 INFO L226 Difference]: Without dead ends: 1755 [2018-12-09 15:49:16,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-09 15:49:16,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2018-12-09 15:49:16,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1552. [2018-12-09 15:49:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2018-12-09 15:49:16,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1852 transitions. [2018-12-09 15:49:16,709 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1852 transitions. Word has length 107 [2018-12-09 15:49:16,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:16,709 INFO L480 AbstractCegarLoop]: Abstraction has 1552 states and 1852 transitions. [2018-12-09 15:49:16,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 15:49:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1852 transitions. [2018-12-09 15:49:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 15:49:16,711 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:16,711 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:16,712 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:16,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:16,712 INFO L82 PathProgramCache]: Analyzing trace with hash 519249508, now seen corresponding path program 1 times [2018-12-09 15:49:16,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:16,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:16,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:16,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:16,713 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:49:16,786 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:49:16,787 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 15:49:16,787 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-12-09 15:49:16,788 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [63], [65], [66], [69], [72], [74], [77], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [126], [128], [134], [140], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [174], [175], [212], [215], [219], [225], [226], [227], [230], [234], [235], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [262], [263], [264], [265], [266], [267], [271], [272], [273], [275], [276], [277], [278], [279], [280], [283], [284], [285], [286], [293], [294], [297], [298], [299], [300], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317] [2018-12-09 15:49:16,813 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 15:49:16,813 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 15:49:17,783 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 15:49:17,784 INFO L272 AbstractInterpreter]: Visited 120 different actions 531 times. Merged at 16 different actions 46 times. Never widened. Performed 18336 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18336 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-09 15:49:17,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:17,793 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 15:49:17,793 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:49:17,793 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 15:49:17,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:17,799 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 15:49:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:17,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:49:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:49:17,977 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 15:49:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:49:18,189 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 15:49:18,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-09 15:49:18,190 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 15:49:18,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 15:49:18,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 15:49:18,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-09 15:49:18,191 INFO L87 Difference]: Start difference. First operand 1552 states and 1852 transitions. Second operand 16 states. [2018-12-09 15:49:18,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:18,865 INFO L93 Difference]: Finished difference Result 3309 states and 4100 transitions. [2018-12-09 15:49:18,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 15:49:18,866 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 151 [2018-12-09 15:49:18,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:18,870 INFO L225 Difference]: With dead ends: 3309 [2018-12-09 15:49:18,870 INFO L226 Difference]: Without dead ends: 1955 [2018-12-09 15:49:18,873 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 294 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-12-09 15:49:18,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2018-12-09 15:49:18,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1537. [2018-12-09 15:49:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2018-12-09 15:49:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 1788 transitions. [2018-12-09 15:49:18,930 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 1788 transitions. Word has length 151 [2018-12-09 15:49:18,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:18,931 INFO L480 AbstractCegarLoop]: Abstraction has 1537 states and 1788 transitions. [2018-12-09 15:49:18,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 15:49:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1788 transitions. [2018-12-09 15:49:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-09 15:49:18,934 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:18,934 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:18,934 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:18,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:18,934 INFO L82 PathProgramCache]: Analyzing trace with hash 451022014, now seen corresponding path program 1 times [2018-12-09 15:49:18,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:18,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:18,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:18,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:18,935 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-12-09 15:49:18,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:49:18,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:49:18,988 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:49:18,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:49:18,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:49:18,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:49:18,989 INFO L87 Difference]: Start difference. First operand 1537 states and 1788 transitions. Second operand 3 states. [2018-12-09 15:49:19,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:19,030 INFO L93 Difference]: Finished difference Result 2430 states and 2832 transitions. [2018-12-09 15:49:19,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:49:19,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2018-12-09 15:49:19,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:19,033 INFO L225 Difference]: With dead ends: 2430 [2018-12-09 15:49:19,033 INFO L226 Difference]: Without dead ends: 955 [2018-12-09 15:49:19,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:49:19,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2018-12-09 15:49:19,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 935. [2018-12-09 15:49:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-12-09 15:49:19,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1072 transitions. [2018-12-09 15:49:19,064 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1072 transitions. Word has length 274 [2018-12-09 15:49:19,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:19,065 INFO L480 AbstractCegarLoop]: Abstraction has 935 states and 1072 transitions. [2018-12-09 15:49:19,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:49:19,065 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1072 transitions. [2018-12-09 15:49:19,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-09 15:49:19,067 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:49:19,068 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:49:19,068 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:49:19,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:19,068 INFO L82 PathProgramCache]: Analyzing trace with hash -562519819, now seen corresponding path program 1 times [2018-12-09 15:49:19,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:49:19,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:19,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:19,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:49:19,069 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:49:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:19,190 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 124 proven. 14 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-09 15:49:19,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:49:19,190 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 15:49:19,190 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-12-09 15:49:19,190 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [50], [55], [56], [57], [58], [59], [63], [65], [66], [67], [68], [69], [72], [74], [77], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [126], [128], [131], [134], [137], [140], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [174], [175], [212], [215], [219], [222], [225], [226], [227], [230], [234], [235], [239], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [262], [263], [264], [265], [266], [267], [269], [270], [271], [272], [273], [275], [276], [277], [278], [279], [280], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317] [2018-12-09 15:49:19,193 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 15:49:19,193 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 15:49:20,354 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 15:49:20,354 INFO L272 AbstractInterpreter]: Visited 136 different actions 970 times. Merged at 24 different actions 93 times. Widened at 1 different actions 1 times. Performed 33576 root evaluator evaluations with a maximum evaluation depth of 3. Performed 33576 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 27 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-09 15:49:20,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:49:20,356 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 15:49:20,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:49:20,356 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 15:49:20,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:49:20,363 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 15:49:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:49:20,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:49:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 259 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-12-09 15:49:20,616 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 15:49:21,063 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-09 15:49:21,079 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 15:49:21,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-12-09 15:49:21,079 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 15:49:21,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 15:49:21,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 15:49:21,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2018-12-09 15:49:21,080 INFO L87 Difference]: Start difference. First operand 935 states and 1072 transitions. Second operand 19 states. [2018-12-09 15:49:22,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:49:22,444 INFO L93 Difference]: Finished difference Result 2360 states and 3010 transitions. [2018-12-09 15:49:22,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 15:49:22,444 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 309 [2018-12-09 15:49:22,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:49:22,445 INFO L225 Difference]: With dead ends: 2360 [2018-12-09 15:49:22,445 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 15:49:22,449 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 605 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=420, Invalid=1650, Unknown=0, NotChecked=0, Total=2070 [2018-12-09 15:49:22,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 15:49:22,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 15:49:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 15:49:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 15:49:22,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-12-09 15:49:22,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:49:22,450 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 15:49:22,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 15:49:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 15:49:22,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:49:22,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 15:49:22,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:22,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:49:23,234 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2018-12-09 15:49:23,462 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-12-09 15:49:23,692 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2018-12-09 15:49:24,010 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2018-12-09 15:49:24,384 WARN L180 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 54 [2018-12-09 15:49:24,848 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-09 15:49:25,732 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2018-12-09 15:49:26,097 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-12-09 15:49:26,103 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2018-12-09 15:49:26,103 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2018-12-09 15:49:26,103 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2018-12-09 15:49:26,103 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2018-12-09 15:49:26,103 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2018-12-09 15:49:26,103 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-09 15:49:26,103 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse4 .cse5 (or .cse0 .cse2) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (not (= ~waterLevel~0 1))))) [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L444 ceAbstractionStarter]: At program point L961(line 961) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse3 .cse5 (or .cse6 .cse4)) (or .cse5 .cse4 (or .cse6 .cse2)) (or .cse3 (or .cse6 .cse1 .cse4)) (or .cse6 .cse1 .cse4 .cse2))) [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 965) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 968) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L444 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse7 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse5 .cse2)) (or .cse6 .cse7 (or .cse5 .cse1 .cse4)) (or .cse6 .cse0 .cse1 .cse4 .cse7) (or .cse6 .cse3 (or .cse5 .cse4) .cse7) (or .cse5 .cse1 .cse4 .cse2))) [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point L956-1(line 956) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 971) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L451 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point L952-1(line 952) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 894 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2018-12-09 15:49:26,104 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2018-12-09 15:49:26,105 INFO L444 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 15:49:26,105 INFO L444 ceAbstractionStarter]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-12-09 15:49:26,105 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 911) no Hoare annotation was computed. [2018-12-09 15:49:26,105 INFO L448 ceAbstractionStarter]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2018-12-09 15:49:26,105 INFO L448 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2018-12-09 15:49:26,105 INFO L444 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 15:49:26,105 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 15:49:26,105 INFO L444 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 15:49:26,105 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2018-12-09 15:49:26,105 INFO L444 ceAbstractionStarter]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-12-09 15:49:26,105 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (not (= ~waterLevel~0 2)))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-12-09 15:49:26,105 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2018-12-09 15:49:26,105 INFO L448 ceAbstractionStarter]: For program point L692(lines 692 698) no Hoare annotation was computed. [2018-12-09 15:49:26,105 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2018-12-09 15:49:26,105 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2018-12-09 15:49:26,105 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2018-12-09 15:49:26,105 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2018-12-09 15:49:26,105 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2018-12-09 15:49:26,105 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 15:49:26,106 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2018-12-09 15:49:26,106 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 15:49:26,106 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2018-12-09 15:49:26,106 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2018-12-09 15:49:26,106 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2018-12-09 15:49:26,106 INFO L451 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2018-12-09 15:49:26,106 INFO L448 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-12-09 15:49:26,106 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2018-12-09 15:49:26,106 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) [2018-12-09 15:49:26,106 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2018-12-09 15:49:26,106 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2018-12-09 15:49:26,106 INFO L444 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse3 (or .cse1 .cse2 .cse0)) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-12-09 15:49:26,106 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2018-12-09 15:49:26,106 INFO L444 ceAbstractionStarter]: At program point L568(line 568) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= processEnvironment_~tmp~3 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-09 15:49:26,106 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2018-12-09 15:49:26,106 INFO L444 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= 2 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-09 15:49:26,106 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse0 (or .cse4 .cse1 .cse2) .cse3) (or .cse3 .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-09 15:49:26,106 INFO L448 ceAbstractionStarter]: For program point L562(lines 562 570) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L444 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 (or .cse3 .cse1 .cse2) .cse4) (or .cse4 .cse2 (or .cse3 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point L560-1(line 560) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 575) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2018-12-09 15:49:26,107 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 713 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 15:49:26,107 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 1)) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (and .cse9 .cse5)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (and .cse9 .cse4 .cse5))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse3 .cse4 .cse5 .cse2) (and .cse0 .cse6 .cse2) (and .cse7 .cse1 .cse8 .cse2) (and .cse7 .cse6 .cse8 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0))))) [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 739) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2018-12-09 15:49:26,107 INFO L444 ceAbstractionStarter]: At program point L773(lines 722 774) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 15:49:26,107 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse1) (and (<= ~waterLevel~0 1) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-09 15:49:26,107 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 767) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L444 ceAbstractionStarter]: At program point L761-1(lines 753 768) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse4 .cse1 .cse2) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and (and .cse5 .cse2) (= ~systemActive~0 0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and .cse5 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point L724(lines 723 772) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L444 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) (and .cse0 .cse2 .cse4)) (and (<= ~waterLevel~0 2) .cse3 .cse2 .cse4))) [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 768) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L444 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse1 .cse2 .cse5) (and (= ~systemActive~0 0) .cse0 .cse3 .cse2 .cse5) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 .cse5) (and .cse6 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 749) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L444 ceAbstractionStarter]: At program point L770(lines 723 772) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse4 .cse0 .cse3 .cse6) (and .cse4 .cse7 .cse2 .cse3 .cse6) (and .cse5 .cse4 .cse7 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-12-09 15:49:26,108 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2018-12-09 15:49:26,108 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-09 15:49:26,109 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 601) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L451 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2018-12-09 15:49:26,109 INFO L451 ceAbstractionStarter]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2018-12-09 15:49:26,109 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2018-12-09 15:49:26,109 INFO L451 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2018-12-09 15:49:26,109 INFO L448 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-12-09 15:49:26,110 INFO L451 ceAbstractionStarter]: At program point L846(lines 821 850) the Hoare annotation is: true [2018-12-09 15:49:26,110 INFO L448 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2018-12-09 15:49:26,110 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-12-09 15:49:26,110 INFO L451 ceAbstractionStarter]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2018-12-09 15:49:26,110 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse2 .cse5)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 0 ~pumpRunning~0) .cse3 .cse5)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse8 .cse10) (or .cse1 (or .cse0 .cse8 .cse9) .cse11) (or (or .cse0 .cse8 .cse10) .cse11) (or .cse0 .cse8 .cse11 .cse4) (or (= 1 ~waterLevel~0) (or (or .cse8 .cse10) .cse7))))) [2018-12-09 15:49:26,110 INFO L444 ceAbstractionStarter]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse9 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse4 .cse8)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 ~pumpRunning~0) .cse5 .cse8)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 .cse3) (and .cse4 .cse5)) (or .cse6 (and .cse4 .cse5 .cse7 .cse8) .cse9 .cse10 .cse2 .cse11) (or .cse0 (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse1) (or .cse9 .cse10 .cse2 .cse3) (or .cse6 (or .cse1 .cse2 .cse11) .cse0) (or .cse1 .cse2 .cse0 .cse7) (or (= 1 ~waterLevel~0) (or (or .cse2 .cse3) .cse10))))) [2018-12-09 15:49:26,110 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (let ((.cse6 (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= ~systemActive~0 0)) .cse0 .cse1) (or .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse2 .cse5 .cse6) (or .cse6 (or (or .cse2 .cse3) .cse4)) (or (or .cse1 .cse2 .cse5) .cse0))) [2018-12-09 15:49:26,110 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (let ((.cse9 (or .cse7 .cse2 .cse3)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (and (= ~pumpRunning~0 1) .cse13)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse6 (and (= 0 ~pumpRunning~0) .cse13)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse4) (or .cse10 .cse5 .cse7 .cse6) (or .cse7 .cse2 .cse6 .cse11) (or .cse10 .cse9 .cse6) (or .cse12 (or (or .cse2 .cse8) .cse1)) (or .cse10 .cse1 .cse2 .cse3 .cse12) (or .cse4 .cse5 (or .cse7 .cse3) .cse0) (or .cse6 (or .cse7 .cse2 .cse8)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse7 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse11)))) [2018-12-09 15:49:26,110 INFO L448 ceAbstractionStarter]: For program point L526(lines 522 544) no Hoare annotation was computed. [2018-12-09 15:49:26,110 INFO L448 ceAbstractionStarter]: For program point L524(lines 522 544) no Hoare annotation was computed. [2018-12-09 15:49:26,110 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2018-12-09 15:49:26,110 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2018-12-09 15:49:26,110 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-09 15:49:26,110 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-09 15:49:26,110 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-09 15:49:26,110 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (< 2 |old(~waterLevel~0)|) (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-09 15:49:26,111 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: true [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse4 .cse7)) (.cse1 (not (= ~systemActive~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse2 .cse6) (or .cse7 .cse8 .cse3 .cse6) (or (or .cse4 .cse7 (not (= |old(~waterLevel~0)| 1))) .cse3) (or .cse0 .cse5 .cse2 .cse3) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse7 .cse8 .cse2 .cse3)))) [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2018-12-09 15:49:26,111 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2018-12-09 15:49:26,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:49:26 BoogieIcfgContainer [2018-12-09 15:49:26,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:49:26,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:49:26,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:49:26,120 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:49:26,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:49:14" (3/4) ... [2018-12-09 15:49:26,122 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 15:49:26,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 15:49:26,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 15:49:26,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 15:49:26,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 15:49:26,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 15:49:26,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 15:49:26,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 15:49:26,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 15:49:26,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 15:49:26,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 15:49:26,148 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-09 15:49:26,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-09 15:49:26,170 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55cd3bcb-ab08-4814-8f02-cb88a3cb04b5/bin-2019/utaipan/witness.graphml [2018-12-09 15:49:26,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:49:26,170 INFO L168 Benchmark]: Toolchain (without parser) took 12568.14 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 756.0 MB). Free memory was 945.9 MB in the beginning and 973.2 MB in the end (delta: -27.3 MB). Peak memory consumption was 728.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:26,171 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:49:26,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -131.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:26,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:49:26,171 INFO L168 Benchmark]: Boogie Preprocessor took 29.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:26,171 INFO L168 Benchmark]: RCFGBuilder took 366.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:26,171 INFO L168 Benchmark]: TraceAbstraction took 11798.93 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 662.2 MB). Free memory was 1.0 GB in the beginning and 991.6 MB in the end (delta: 36.9 MB). Peak memory consumption was 736.9 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:26,172 INFO L168 Benchmark]: Witness Printer took 50.58 ms. Allocated memory is still 1.8 GB. Free memory was 991.6 MB in the beginning and 973.2 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:49:26,172 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -131.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 366.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11798.93 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 662.2 MB). Free memory was 1.0 GB in the beginning and 991.6 MB in the end (delta: 36.9 MB). Peak memory consumption was 736.9 MB. Max. memory is 11.5 GB. * Witness Printer took 50.58 ms. Allocated memory is still 1.8 GB. Free memory was 991.6 MB in the beginning and 973.2 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 723]: Loop Invariant Derived loop invariant: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 156 locations, 1 error locations. SAFE Result, 11.7s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2164 SDtfs, 1872 SDslu, 6597 SDs, 0 SdLazy, 5608 SolverSat, 798 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1082 GetRequests, 937 SyntacticMatches, 16 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1552occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 740 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2812 PreInvPairs, 3163 NumberOfFragments, 2547 HoareAnnotationTreeSize, 2812 FomulaSimplifications, 30362 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 64 FomulaSimplificationsInter, 21488 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1864 NumberOfCodeBlocks, 1864 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2309 ConstructedInterpolants, 0 QuantifiedInterpolants, 723135 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2203 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 1469/1558 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...