./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4db9bf450928b08b5e696709772fc7741fcab5a5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:26:24,578 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:26:24,579 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:26:24,589 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:26:24,589 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:26:24,590 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:26:24,591 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:26:24,592 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:26:24,593 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:26:24,594 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:26:24,595 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:26:24,595 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:26:24,596 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:26:24,597 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:26:24,597 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:26:24,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:26:24,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:26:24,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:26:24,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:26:24,603 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:26:24,604 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:26:24,605 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:26:24,607 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:26:24,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:26:24,607 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:26:24,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:26:24,609 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:26:24,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:26:24,610 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:26:24,611 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:26:24,611 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:26:24,612 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:26:24,612 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:26:24,612 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:26:24,613 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:26:24,613 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:26:24,613 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:26:24,623 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:26:24,624 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:26:24,625 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:26:24,625 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:26:24,625 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:26:24,626 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:26:24,626 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:26:24,626 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:26:24,626 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:26:24,626 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:26:24,626 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:26:24,626 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:26:24,626 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:26:24,627 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:26:24,627 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:26:24,627 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:26:24,627 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:26:24,627 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:26:24,627 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:26:24,627 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:26:24,627 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:26:24,628 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:26:24,628 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:26:24,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:26:24,628 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:26:24,628 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:26:24,628 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:26:24,628 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:26:24,628 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:26:24,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:26:24,629 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer 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 -> Automizer 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 -> 4db9bf450928b08b5e696709772fc7741fcab5a5 [2018-11-28 13:26:24,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:26:24,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:26:24,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:26:24,664 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:26:24,664 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:26:24,664 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-28 13:26:24,702 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/data/001d4ce69/a65fc7c0395f49efbc6ca94d3ea6ca9f/FLAG4eced8257 [2018-11-28 13:26:25,077 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:26:25,078 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/sv-benchmarks/c/product-lines/minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-28 13:26:25,088 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/data/001d4ce69/a65fc7c0395f49efbc6ca94d3ea6ca9f/FLAG4eced8257 [2018-11-28 13:26:25,462 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/data/001d4ce69/a65fc7c0395f49efbc6ca94d3ea6ca9f [2018-11-28 13:26:25,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:26:25,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:26:25,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:26:25,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:26:25,469 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:26:25,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4c66e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25, skipping insertion in model container [2018-11-28 13:26:25,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:26:25,504 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:26:25,699 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:26:25,710 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:26:25,810 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:26:25,827 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:26:25,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25 WrapperNode [2018-11-28 13:26:25,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:26:25,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:26:25,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:26:25,828 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:26:25,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:26:25,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:26:25,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:26:25,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:26:25,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (1/1) ... [2018-11-28 13:26:25,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:26:25,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:26:25,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:26:25,874 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:26:25,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:26:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:26:25,908 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:26:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:26:25,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:26:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:26:25,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:26:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:26:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:26:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:26:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:26:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:26:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:26:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:26:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:26:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:26:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:26:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:26:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:26:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:26:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:26:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:26:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:26:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:26:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:26:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:26:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:26:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:26:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:26:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:26:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:26:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:26:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:26:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:26:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:26:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:26:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:26:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:26:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:26:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:26:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:26:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:26:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 13:26:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 13:26:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:26:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:26:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:26:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:26:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:26:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:26:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 13:26:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 13:26:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:26:25,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:26:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:26:25,914 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:26:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:26:25,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:26:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:26:25,914 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:26:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:26:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:26:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:26:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:26:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:26:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:26:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:26:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:26:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:26:26,325 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:26:26,325 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:26:26,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:26 BoogieIcfgContainer [2018-11-28 13:26:26,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:26:26,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:26:26,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:26:26,329 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:26:26,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:26:25" (1/3) ... [2018-11-28 13:26:26,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4b8a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:26:26, skipping insertion in model container [2018-11-28 13:26:26,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:26:25" (2/3) ... [2018-11-28 13:26:26,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4b8a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:26:26, skipping insertion in model container [2018-11-28 13:26:26,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:26" (3/3) ... [2018-11-28 13:26:26,332 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64_true-unreach-call_false-termination.cil.c [2018-11-28 13:26:26,338 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:26:26,344 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:26:26,353 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:26:26,374 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:26:26,375 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:26:26,375 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:26:26,375 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:26:26,375 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:26:26,375 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:26:26,375 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:26:26,375 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:26:26,375 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:26:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2018-11-28 13:26:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 13:26:26,399 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:26,400 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:26,402 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:26,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:26,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1904969778, now seen corresponding path program 1 times [2018-11-28 13:26:26,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:26,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:26,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:26,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:26,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:26,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:26,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:26:26,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:26:26,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:26:26,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:26:26,607 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2018-11-28 13:26:26,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:26,639 INFO L93 Difference]: Finished difference Result 326 states and 403 transitions. [2018-11-28 13:26:26,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:26:26,641 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 13:26:26,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:26,649 INFO L225 Difference]: With dead ends: 326 [2018-11-28 13:26:26,649 INFO L226 Difference]: Without dead ends: 163 [2018-11-28 13:26:26,652 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 [2018-11-28 13:26:26,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-28 13:26:26,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-11-28 13:26:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-11-28 13:26:26,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2018-11-28 13:26:26,692 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 46 [2018-11-28 13:26:26,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:26,693 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2018-11-28 13:26:26,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:26:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2018-11-28 13:26:26,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 13:26:26,695 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:26,696 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:26,696 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:26,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:26,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1018071828, now seen corresponding path program 1 times [2018-11-28 13:26:26,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:26,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:26,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:26,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:26,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:26,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:26,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:26:26,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:26:26,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:26:26,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:26:26,790 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 3 states. [2018-11-28 13:26:26,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:26,812 INFO L93 Difference]: Finished difference Result 265 states and 313 transitions. [2018-11-28 13:26:26,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:26:26,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 13:26:26,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:26,815 INFO L225 Difference]: With dead ends: 265 [2018-11-28 13:26:26,815 INFO L226 Difference]: Without dead ends: 154 [2018-11-28 13:26:26,816 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 [2018-11-28 13:26:26,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-28 13:26:26,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-28 13:26:26,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-28 13:26:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 181 transitions. [2018-11-28 13:26:26,828 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 181 transitions. Word has length 47 [2018-11-28 13:26:26,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:26,828 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 181 transitions. [2018-11-28 13:26:26,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:26:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2018-11-28 13:26:26,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:26:26,830 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:26,830 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:26,830 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:26,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:26,830 INFO L82 PathProgramCache]: Analyzing trace with hash -2045149886, now seen corresponding path program 1 times [2018-11-28 13:26:26,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:26,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:26,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:26,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:26,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:26,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:26,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:26:26,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:26:26,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:26:26,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:26:26,926 INFO L87 Difference]: Start difference. First operand 154 states and 181 transitions. Second operand 7 states. [2018-11-28 13:26:27,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:27,267 INFO L93 Difference]: Finished difference Result 464 states and 563 transitions. [2018-11-28 13:26:27,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:26:27,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 13:26:27,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:27,270 INFO L225 Difference]: With dead ends: 464 [2018-11-28 13:26:27,270 INFO L226 Difference]: Without dead ends: 334 [2018-11-28 13:26:27,272 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 [2018-11-28 13:26:27,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-11-28 13:26:27,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 322. [2018-11-28 13:26:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-11-28 13:26:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 390 transitions. [2018-11-28 13:26:27,304 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 390 transitions. Word has length 52 [2018-11-28 13:26:27,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:27,304 INFO L480 AbstractCegarLoop]: Abstraction has 322 states and 390 transitions. [2018-11-28 13:26:27,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:26:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 390 transitions. [2018-11-28 13:26:27,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 13:26:27,306 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:27,306 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:27,307 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:27,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:27,307 INFO L82 PathProgramCache]: Analyzing trace with hash -2110965136, now seen corresponding path program 1 times [2018-11-28 13:26:27,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:27,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:27,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:27,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:27,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:27,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:27,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:27,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:26:27,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:26:27,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:26:27,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:26:27,429 INFO L87 Difference]: Start difference. First operand 322 states and 390 transitions. Second operand 10 states. [2018-11-28 13:26:27,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:27,798 INFO L93 Difference]: Finished difference Result 1168 states and 1516 transitions. [2018-11-28 13:26:27,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 13:26:27,799 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 13:26:27,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:27,803 INFO L225 Difference]: With dead ends: 1168 [2018-11-28 13:26:27,804 INFO L226 Difference]: Without dead ends: 870 [2018-11-28 13:26:27,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:26:27,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-11-28 13:26:27,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 858. [2018-11-28 13:26:27,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2018-11-28 13:26:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1078 transitions. [2018-11-28 13:26:27,867 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1078 transitions. Word has length 57 [2018-11-28 13:26:27,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:27,867 INFO L480 AbstractCegarLoop]: Abstraction has 858 states and 1078 transitions. [2018-11-28 13:26:27,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:26:27,867 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1078 transitions. [2018-11-28 13:26:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 13:26:27,870 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:27,870 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:27,870 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:27,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:27,871 INFO L82 PathProgramCache]: Analyzing trace with hash -401000778, now seen corresponding path program 1 times [2018-11-28 13:26:27,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:27,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:27,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:27,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:27,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:27,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:27,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:26:27,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:26:27,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:26:27,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:26:27,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:26:27,943 INFO L87 Difference]: Start difference. First operand 858 states and 1078 transitions. Second operand 3 states. [2018-11-28 13:26:28,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:28,018 INFO L93 Difference]: Finished difference Result 1965 states and 2575 transitions. [2018-11-28 13:26:28,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:26:28,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-28 13:26:28,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:28,024 INFO L225 Difference]: With dead ends: 1965 [2018-11-28 13:26:28,024 INFO L226 Difference]: Without dead ends: 1131 [2018-11-28 13:26:28,027 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:26:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2018-11-28 13:26:28,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1110. [2018-11-28 13:26:28,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2018-11-28 13:26:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1377 transitions. [2018-11-28 13:26:28,082 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1377 transitions. Word has length 61 [2018-11-28 13:26:28,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:28,082 INFO L480 AbstractCegarLoop]: Abstraction has 1110 states and 1377 transitions. [2018-11-28 13:26:28,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:26:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1377 transitions. [2018-11-28 13:26:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 13:26:28,084 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:28,084 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 13:26:28,084 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:28,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:28,086 INFO L82 PathProgramCache]: Analyzing trace with hash 332160723, now seen corresponding path program 1 times [2018-11-28 13:26:28,087 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:28,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:28,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:28,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:28,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 13:26:28,153 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:26:28,154 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:26:28,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:28,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:26:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:26:28,412 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:26:28,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 13:26:28,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 13:26:28,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 13:26:28,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:26:28,413 INFO L87 Difference]: Start difference. First operand 1110 states and 1377 transitions. Second operand 12 states. [2018-11-28 13:26:31,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:31,055 INFO L93 Difference]: Finished difference Result 2673 states and 3571 transitions. [2018-11-28 13:26:31,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-28 13:26:31,056 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-11-28 13:26:31,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:31,065 INFO L225 Difference]: With dead ends: 2673 [2018-11-28 13:26:31,065 INFO L226 Difference]: Without dead ends: 1876 [2018-11-28 13:26:31,068 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-28 13:26:31,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2018-11-28 13:26:31,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1659. [2018-11-28 13:26:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1659 states. [2018-11-28 13:26:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2085 transitions. [2018-11-28 13:26:31,159 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2085 transitions. Word has length 89 [2018-11-28 13:26:31,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:31,159 INFO L480 AbstractCegarLoop]: Abstraction has 1659 states and 2085 transitions. [2018-11-28 13:26:31,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 13:26:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2085 transitions. [2018-11-28 13:26:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-28 13:26:31,164 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:31,165 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:31,165 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:31,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:31,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1935234741, now seen corresponding path program 1 times [2018-11-28 13:26:31,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:31,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:31,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:31,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:31,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 13:26:31,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:26:31,243 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:26:31,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:31,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:26:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-28 13:26:31,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:26:31,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 13:26:31,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:26:31,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:26:31,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:26:31,419 INFO L87 Difference]: Start difference. First operand 1659 states and 2085 transitions. Second operand 6 states. [2018-11-28 13:26:31,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:31,532 INFO L93 Difference]: Finished difference Result 3350 states and 4452 transitions. [2018-11-28 13:26:31,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:26:31,533 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2018-11-28 13:26:31,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:31,541 INFO L225 Difference]: With dead ends: 3350 [2018-11-28 13:26:31,541 INFO L226 Difference]: Without dead ends: 1715 [2018-11-28 13:26:31,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 169 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:26:31,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2018-11-28 13:26:31,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1699. [2018-11-28 13:26:31,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2018-11-28 13:26:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2129 transitions. [2018-11-28 13:26:31,654 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2129 transitions. Word has length 170 [2018-11-28 13:26:31,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:31,655 INFO L480 AbstractCegarLoop]: Abstraction has 1699 states and 2129 transitions. [2018-11-28 13:26:31,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:26:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2129 transitions. [2018-11-28 13:26:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-28 13:26:31,658 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:31,658 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:31,658 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:31,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:31,659 INFO L82 PathProgramCache]: Analyzing trace with hash 637729869, now seen corresponding path program 1 times [2018-11-28 13:26:31,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:31,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:31,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:31,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:31,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 13:26:31,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:26:31,753 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:26:31,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:31,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:26:31,875 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-28 13:26:31,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:26:31,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 13:26:31,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 13:26:31,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 13:26:31,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:26:31,896 INFO L87 Difference]: Start difference. First operand 1699 states and 2129 transitions. Second operand 11 states. [2018-11-28 13:26:31,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:31,967 INFO L93 Difference]: Finished difference Result 3095 states and 4000 transitions. [2018-11-28 13:26:31,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:26:31,968 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2018-11-28 13:26:31,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:31,972 INFO L225 Difference]: With dead ends: 3095 [2018-11-28 13:26:31,973 INFO L226 Difference]: Without dead ends: 1420 [2018-11-28 13:26:31,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:26:31,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2018-11-28 13:26:32,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1420. [2018-11-28 13:26:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1420 states. [2018-11-28 13:26:32,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1781 transitions. [2018-11-28 13:26:32,019 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1781 transitions. Word has length 170 [2018-11-28 13:26:32,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:32,020 INFO L480 AbstractCegarLoop]: Abstraction has 1420 states and 1781 transitions. [2018-11-28 13:26:32,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 13:26:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1781 transitions. [2018-11-28 13:26:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 13:26:32,023 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:32,023 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:32,023 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:32,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:32,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1266031224, now seen corresponding path program 1 times [2018-11-28 13:26:32,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:32,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:32,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:32,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:32,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:32,141 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 13:26:32,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:26:32,142 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:26:32,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:32,227 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:26:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:26:32,304 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:26:32,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 13:26:32,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 13:26:32,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 13:26:32,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:26:32,305 INFO L87 Difference]: Start difference. First operand 1420 states and 1781 transitions. Second operand 14 states. [2018-11-28 13:26:33,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:33,837 INFO L93 Difference]: Finished difference Result 3206 states and 4357 transitions. [2018-11-28 13:26:33,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 13:26:33,838 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 174 [2018-11-28 13:26:33,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:33,849 INFO L225 Difference]: With dead ends: 3206 [2018-11-28 13:26:33,849 INFO L226 Difference]: Without dead ends: 1979 [2018-11-28 13:26:33,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 13:26:33,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2018-11-28 13:26:33,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1668. [2018-11-28 13:26:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2018-11-28 13:26:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2077 transitions. [2018-11-28 13:26:33,945 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2077 transitions. Word has length 174 [2018-11-28 13:26:33,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:33,946 INFO L480 AbstractCegarLoop]: Abstraction has 1668 states and 2077 transitions. [2018-11-28 13:26:33,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 13:26:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2077 transitions. [2018-11-28 13:26:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-28 13:26:33,952 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:26:33,952 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:26:33,952 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:26:33,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:26:33,953 INFO L82 PathProgramCache]: Analyzing trace with hash -86450904, now seen corresponding path program 1 times [2018-11-28 13:26:33,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:26:33,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:26:33,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:33,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:33,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:26:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-28 13:26:34,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:26:34,059 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:26:34,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:26:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:26:34,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:26:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-28 13:26:34,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:26:34,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 13:26:34,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 13:26:34,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 13:26:34,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:26:34,290 INFO L87 Difference]: Start difference. First operand 1668 states and 2077 transitions. Second operand 13 states. [2018-11-28 13:26:34,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:26:34,393 INFO L93 Difference]: Finished difference Result 2251 states and 2803 transitions. [2018-11-28 13:26:34,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:26:34,394 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 244 [2018-11-28 13:26:34,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:26:34,395 INFO L225 Difference]: With dead ends: 2251 [2018-11-28 13:26:34,395 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:26:34,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:26:34,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:26:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:26:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:26:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:26:34,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2018-11-28 13:26:34,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:26:34,401 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:26:34,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 13:26:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:26:34,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:26:34,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:26:34,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:34,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:26:36,675 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1009 1015) the Hoare annotation is: true [2018-11-28 13:26:36,675 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1009 1015) no Hoare annotation was computed. [2018-11-28 13:26:36,675 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1016 1024) no Hoare annotation was computed. [2018-11-28 13:26:36,675 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1016 1024) the Hoare annotation is: true [2018-11-28 13:26:36,675 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1016 1024) no Hoare annotation was computed. [2018-11-28 13:26:36,675 INFO L451 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2018-11-28 13:26:36,675 INFO L448 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-11-28 13:26:36,675 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2018-11-28 13:26:36,675 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2018-11-28 13:26:36,676 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-28 13:26:36,676 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2018-11-28 13:26:36,676 INFO L444 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-28 13:26:36,676 INFO L448 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-11-28 13:26:36,676 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2018-11-28 13:26:36,676 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2018-11-28 13:26:36,676 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-28 13:26:36,676 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-28 13:26:36,676 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:26:36,676 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:26:36,677 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:26:36,677 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:26:36,677 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-28 13:26:36,677 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-28 13:26:36,677 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:26:36,677 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:26:36,677 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-28 13:26:36,677 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) [2018-11-28 13:26:36,677 INFO L448 ceAbstractionStarter]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2018-11-28 13:26:36,677 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 320 344) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-11-28 13:26:36,678 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:26:36,678 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 320 344) no Hoare annotation was computed. [2018-11-28 13:26:36,678 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 13:26:36,678 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 336) no Hoare annotation was computed. [2018-11-28 13:26:36,678 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 13:26:36,678 INFO L448 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2018-11-28 13:26:36,678 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 341) no Hoare annotation was computed. [2018-11-28 13:26:36,678 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2018-11-28 13:26:36,678 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) (or (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0))))) [2018-11-28 13:26:36,678 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-11-28 13:26:36,678 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: (and (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) (or (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0))))) [2018-11-28 13:26:36,678 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 498 512) no Hoare annotation was computed. [2018-11-28 13:26:36,678 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 415 423) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 415 423) the Hoare annotation is: true [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 415 423) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L451 ceAbstractionStarter]: At program point L486(line 486) the Hoare annotation is: true [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 479 497) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 1002 1008) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 1002 1008) the Hoare annotation is: true [2018-11-28 13:26:36,679 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 404 414) the Hoare annotation is: true [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 404 414) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L451 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: true [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point L409-1(line 409) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 404 414) no Hoare annotation was computed. [2018-11-28 13:26:36,679 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 396 403) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-11-28 13:26:36,679 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 396 403) no Hoare annotation was computed. [2018-11-28 13:26:36,680 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 396 403) no Hoare annotation was computed. [2018-11-28 13:26:36,680 INFO L448 ceAbstractionStarter]: For program point L971(lines 971 977) no Hoare annotation was computed. [2018-11-28 13:26:36,680 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 967 980) no Hoare annotation was computed. [2018-11-28 13:26:36,680 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 967 980) the Hoare annotation is: true [2018-11-28 13:26:36,680 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 967 980) no Hoare annotation was computed. [2018-11-28 13:26:36,680 INFO L444 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 13:26:36,680 INFO L448 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2018-11-28 13:26:36,680 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 367) no Hoare annotation was computed. [2018-11-28 13:26:36,680 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2018-11-28 13:26:36,680 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-11-28 13:26:36,680 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) [2018-11-28 13:26:36,680 INFO L448 ceAbstractionStarter]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2018-11-28 13:26:36,680 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 13:26:36,681 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 13:26:36,681 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 362) no Hoare annotation was computed. [2018-11-28 13:26:36,681 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2018-11-28 13:26:36,681 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2018-11-28 13:26:36,681 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:26:36,681 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:26:36,681 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2018-11-28 13:26:36,681 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:26:36,681 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2018-11-28 13:26:36,681 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2018-11-28 13:26:36,681 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2018-11-28 13:26:36,682 INFO L444 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:26:36,682 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0))) [2018-11-28 13:26:36,682 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-11-28 13:26:36,682 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2018-11-28 13:26:36,682 INFO L448 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2018-11-28 13:26:36,682 INFO L444 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:26:36,682 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:26:36,682 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2018-11-28 13:26:36,682 INFO L444 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0))) [2018-11-28 13:26:36,682 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2018-11-28 13:26:36,683 INFO L448 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2018-11-28 13:26:36,683 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 371 378) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2)) [2018-11-28 13:26:36,683 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 371 378) no Hoare annotation was computed. [2018-11-28 13:26:36,683 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 371 378) no Hoare annotation was computed. [2018-11-28 13:26:36,683 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 981 989) no Hoare annotation was computed. [2018-11-28 13:26:36,683 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 981 989) the Hoare annotation is: true [2018-11-28 13:26:36,683 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 981 989) no Hoare annotation was computed. [2018-11-28 13:26:36,683 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:26:36,683 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|)) [2018-11-28 13:26:36,683 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:26:36,683 INFO L444 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2)) [2018-11-28 13:26:36,683 INFO L448 ceAbstractionStarter]: For program point L384-1(line 384) no Hoare annotation was computed. [2018-11-28 13:26:36,683 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 379 395) no Hoare annotation was computed. [2018-11-28 13:26:36,684 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 379 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2)) [2018-11-28 13:26:36,684 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2)) [2018-11-28 13:26:36,684 INFO L448 ceAbstractionStarter]: For program point L390-1(lines 379 395) no Hoare annotation was computed. [2018-11-28 13:26:36,684 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 392) no Hoare annotation was computed. [2018-11-28 13:26:36,684 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 460 478) no Hoare annotation was computed. [2018-11-28 13:26:36,684 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 460 478) the Hoare annotation is: true [2018-11-28 13:26:36,684 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2018-11-28 13:26:36,684 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 460 478) no Hoare annotation was computed. [2018-11-28 13:26:36,684 INFO L451 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: true [2018-11-28 13:26:36,684 INFO L448 ceAbstractionStarter]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2018-11-28 13:26:36,684 INFO L448 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2018-11-28 13:26:36,684 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 958 966) the Hoare annotation is: true [2018-11-28 13:26:36,684 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 958 966) no Hoare annotation was computed. [2018-11-28 13:26:36,685 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 958 966) no Hoare annotation was computed. [2018-11-28 13:26:36,685 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 914 925) the Hoare annotation is: true [2018-11-28 13:26:36,685 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 914 925) no Hoare annotation was computed. [2018-11-28 13:26:36,685 INFO L448 ceAbstractionStarter]: For program point L918-1(lines 914 925) no Hoare annotation was computed. [2018-11-28 13:26:36,685 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 926 934) the Hoare annotation is: true [2018-11-28 13:26:36,685 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 926 934) no Hoare annotation was computed. [2018-11-28 13:26:36,685 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 926 934) no Hoare annotation was computed. [2018-11-28 13:26:36,685 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) (and (= 0 ~pumpRunning~0) (not .cse0) (= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))))) [2018-11-28 13:26:36,685 INFO L444 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse6 .cse1)) (.cse0 (= ~systemActive~0 0)) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or (and (not .cse0) .cse1) (or .cse2 .cse3) .cse4) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse4) (let ((.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse0 .cse3 (and (<= 2 ~waterLevel~0) .cse5) (and .cse6 .cse5)))))) [2018-11-28 13:26:36,685 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1)) (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (< |old(~waterLevel~0)| 2)))) [2018-11-28 13:26:36,685 INFO L444 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1))) [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 13:26:36,686 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 13:26:36,686 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 890 901) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2)) [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 890 901) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:26:36,686 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 13:26:36,686 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:26:36,686 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 294 318) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)))) [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 294 318) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)))) [2018-11-28 13:26:36,687 INFO L444 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L444 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)))) [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 513 520) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 513 520) the Hoare annotation is: true [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 513 520) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 902 913) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 902 913) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 902 913) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (< |old(~waterLevel~0)| 1)) (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0)))) [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2018-11-28 13:26:36,687 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2018-11-28 13:26:36,688 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2018-11-28 13:26:36,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:26:36 BoogieIcfgContainer [2018-11-28 13:26:36,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:26:36,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:26:36,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:26:36,698 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:26:36,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:26:26" (3/4) ... [2018-11-28 13:26:36,702 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:26:36,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:26:36,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:26:36,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:26:36,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:26:36,707 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:26:36,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:26:36,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:26:36,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:26:36,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 13:26:36,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:26:36,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:26:36,716 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-28 13:26:36,716 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 13:26:36,717 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:26:36,717 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 13:26:36,717 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:26:36,718 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:26:36,742 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 13:26:36,742 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 13:26:36,780 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0f3d269a-6bd4-496f-b262-c7df876e0278/bin-2019/uautomizer/witness.graphml [2018-11-28 13:26:36,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:26:36,781 INFO L168 Benchmark]: Toolchain (without parser) took 11315.90 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 481.8 MB). Free memory was 956.0 MB in the beginning and 1.4 GB in the end (delta: -409.6 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:36,783 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:26:36,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:36,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.60 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:36,783 INFO L168 Benchmark]: Boogie Preprocessor took 24.07 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. [2018-11-28 13:26:36,783 INFO L168 Benchmark]: RCFGBuilder took 451.44 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: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:36,784 INFO L168 Benchmark]: TraceAbstraction took 10371.81 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 381.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -347.2 MB). Peak memory consumption was 539.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:36,784 INFO L168 Benchmark]: Witness Printer took 81.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:26:36,785 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.60 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.07 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. * RCFGBuilder took 451.44 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: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10371.81 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 381.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -347.2 MB). Peak memory consumption was 539.2 MB. Max. memory is 11.5 GB. * Witness Printer took 81.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 193]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 176 locations, 1 error locations. SAFE Result, 10.3s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 5.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2131 SDtfs, 2622 SDslu, 7142 SDs, 0 SdLazy, 6623 SolverSat, 1599 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1022 GetRequests, 883 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1090 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1699occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 589 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 3963 PreInvPairs, 4074 NumberOfFragments, 1155 HoareAnnotationTreeSize, 3963 FomulaSimplifications, 6374 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 74 FomulaSimplificationsInter, 10471 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1957 NumberOfCodeBlocks, 1957 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1942 ConstructedInterpolants, 0 QuantifiedInterpolants, 421988 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4571 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 543/598 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...