./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59_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_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/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 5a35b365de7365eb1088366c2b8165f4a523d787 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:54:10,212 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:54:10,213 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:54:10,220 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:54:10,221 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:54:10,221 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:54:10,222 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:54:10,223 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:54:10,224 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:54:10,225 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:54:10,226 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:54:10,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:54:10,226 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:54:10,227 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:54:10,228 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:54:10,228 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:54:10,229 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:54:10,230 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:54:10,232 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:54:10,233 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:54:10,234 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:54:10,234 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:54:10,236 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:54:10,236 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:54:10,236 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:54:10,237 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:54:10,238 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:54:10,238 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:54:10,239 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:54:10,240 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:54:10,240 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:54:10,241 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:54:10,241 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:54:10,241 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:54:10,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:54:10,242 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:54:10,242 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:54:10,252 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:54:10,253 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:54:10,253 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:54:10,253 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:54:10,254 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:54:10,254 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:54:10,254 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:54:10,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:54:10,254 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:54:10,254 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:54:10,255 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:54:10,255 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:54:10,255 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:54:10,255 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:54:10,255 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:54:10,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:54:10,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:54:10,255 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:54:10,256 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:54:10,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:54:10,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:54:10,256 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:54:10,256 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:54:10,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:54:10,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:54:10,257 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:54:10,257 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:54:10,257 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:54:10,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:54:10,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:54:10,257 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_1dd65c0e-8fb9-4daa-8831-7405026f6544/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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2018-11-28 11:54:10,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:54:10,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:54:10,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:54:10,291 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:54:10,291 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:54:10,292 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-28 11:54:10,329 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/data/8cf3c6cef/7561ffe32e084c1eb6c69cf2382aa9e9/FLAGe0c13da08 [2018-11-28 11:54:10,702 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:54:10,703 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/sv-benchmarks/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-28 11:54:10,713 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/data/8cf3c6cef/7561ffe32e084c1eb6c69cf2382aa9e9/FLAGe0c13da08 [2018-11-28 11:54:11,088 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/data/8cf3c6cef/7561ffe32e084c1eb6c69cf2382aa9e9 [2018-11-28 11:54:11,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:54:11,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:54:11,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:54:11,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:54:11,093 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:54:11,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143c444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11, skipping insertion in model container [2018-11-28 11:54:11,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:54:11,127 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:54:11,322 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:54:11,332 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:54:11,438 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:54:11,456 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:54:11,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11 WrapperNode [2018-11-28 11:54:11,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:54:11,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:54:11,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:54:11,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:54:11,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:54:11,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:54:11,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:54:11,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:54:11,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (1/1) ... [2018-11-28 11:54:11,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:54:11,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:54:11,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:54:11,511 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:54:11,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/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 11:54:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:54:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:54:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 11:54:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 11:54:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:54:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:54:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 11:54:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 11:54:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:54:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:54:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:54:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:54:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:54:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:54:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:54:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:54:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:54:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:54:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:54:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:54:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:54:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:54:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:54:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:54:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:54:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:54:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:54:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:54:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:54:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 11:54:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 11:54:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:54:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:54:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:54:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:54:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:54:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:54:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:54:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:54:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:54:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:54:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:54:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:54:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:54:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:54:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:54:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:54:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:54:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:54:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:54:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:54:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:54:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:54:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:54:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:54:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:54:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:54:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:54:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:54:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:54:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:54:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:54:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:54:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:54:11,953 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:54:11,953 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:54:11,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:54:11 BoogieIcfgContainer [2018-11-28 11:54:11,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:54:11,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:54:11,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:54:11,957 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:54:11,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:54:11" (1/3) ... [2018-11-28 11:54:11,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a3b6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:54:11, skipping insertion in model container [2018-11-28 11:54:11,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:54:11" (2/3) ... [2018-11-28 11:54:11,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a3b6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:54:11, skipping insertion in model container [2018-11-28 11:54:11,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:54:11" (3/3) ... [2018-11-28 11:54:11,960 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-28 11:54:11,968 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:54:11,975 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:54:11,986 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:54:12,004 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:54:12,004 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:54:12,005 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:54:12,005 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:54:12,005 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:54:12,005 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:54:12,005 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:54:12,005 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:54:12,005 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:54:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-11-28 11:54:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 11:54:12,027 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:54:12,028 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 11:54:12,030 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:54:12,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:54:12,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1577511589, now seen corresponding path program 1 times [2018-11-28 11:54:12,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:54:12,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:54:12,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:12,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:12,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:12,218 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 11:54:12,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:54:12,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:54:12,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:54:12,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:54:12,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:54:12,233 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-11-28 11:54:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:54:12,265 INFO L93 Difference]: Finished difference Result 298 states and 365 transitions. [2018-11-28 11:54:12,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:54:12,266 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 11:54:12,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:54:12,274 INFO L225 Difference]: With dead ends: 298 [2018-11-28 11:54:12,274 INFO L226 Difference]: Without dead ends: 149 [2018-11-28 11:54:12,277 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 11:54:12,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-28 11:54:12,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-28 11:54:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-28 11:54:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-11-28 11:54:12,314 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 46 [2018-11-28 11:54:12,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:54:12,315 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-11-28 11:54:12,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:54:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-11-28 11:54:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 11:54:12,317 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:54:12,317 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 11:54:12,317 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:54:12,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:54:12,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1559707718, now seen corresponding path program 1 times [2018-11-28 11:54:12,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:54:12,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:54:12,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:12,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:12,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:12,388 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 11:54:12,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:54:12,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:54:12,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:54:12,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:54:12,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:54:12,390 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2018-11-28 11:54:12,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:54:12,409 INFO L93 Difference]: Finished difference Result 241 states and 279 transitions. [2018-11-28 11:54:12,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:54:12,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 11:54:12,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:54:12,411 INFO L225 Difference]: With dead ends: 241 [2018-11-28 11:54:12,411 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 11:54:12,412 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 11:54:12,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 11:54:12,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 11:54:12,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 11:54:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2018-11-28 11:54:12,423 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 47 [2018-11-28 11:54:12,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:54:12,423 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2018-11-28 11:54:12,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:54:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2018-11-28 11:54:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 11:54:12,425 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:54:12,425 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:54:12,425 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:54:12,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:54:12,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1919773205, now seen corresponding path program 1 times [2018-11-28 11:54:12,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:54:12,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:54:12,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:12,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:12,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:12,533 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 11:54:12,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:54:12,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:54:12,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:54:12,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:54:12,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:54:12,534 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2018-11-28 11:54:12,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:54:12,839 INFO L93 Difference]: Finished difference Result 422 states and 504 transitions. [2018-11-28 11:54:12,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:54:12,840 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 11:54:12,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:54:12,843 INFO L225 Difference]: With dead ends: 422 [2018-11-28 11:54:12,843 INFO L226 Difference]: Without dead ends: 306 [2018-11-28 11:54:12,844 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 11:54:12,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-11-28 11:54:12,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 298. [2018-11-28 11:54:12,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2018-11-28 11:54:12,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 356 transitions. [2018-11-28 11:54:12,875 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 356 transitions. Word has length 51 [2018-11-28 11:54:12,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:54:12,875 INFO L480 AbstractCegarLoop]: Abstraction has 298 states and 356 transitions. [2018-11-28 11:54:12,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:54:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 356 transitions. [2018-11-28 11:54:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 11:54:12,877 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:54:12,878 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 11:54:12,878 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:54:12,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:54:12,878 INFO L82 PathProgramCache]: Analyzing trace with hash 903237574, now seen corresponding path program 1 times [2018-11-28 11:54:12,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:54:12,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:54:12,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:12,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:12,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:12,985 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 11:54:12,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:54:12,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 11:54:12,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 11:54:12,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 11:54:12,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:54:12,986 INFO L87 Difference]: Start difference. First operand 298 states and 356 transitions. Second operand 10 states. [2018-11-28 11:54:13,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:54:13,365 INFO L93 Difference]: Finished difference Result 1072 states and 1372 transitions. [2018-11-28 11:54:13,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 11:54:13,365 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 11:54:13,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:54:13,370 INFO L225 Difference]: With dead ends: 1072 [2018-11-28 11:54:13,371 INFO L226 Difference]: Without dead ends: 798 [2018-11-28 11:54:13,374 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 11:54:13,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2018-11-28 11:54:13,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 786. [2018-11-28 11:54:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2018-11-28 11:54:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 972 transitions. [2018-11-28 11:54:13,424 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 972 transitions. Word has length 57 [2018-11-28 11:54:13,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:54:13,424 INFO L480 AbstractCegarLoop]: Abstraction has 786 states and 972 transitions. [2018-11-28 11:54:13,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 11:54:13,424 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 972 transitions. [2018-11-28 11:54:13,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 11:54:13,427 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:54:13,427 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 11:54:13,427 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:54:13,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:54:13,427 INFO L82 PathProgramCache]: Analyzing trace with hash -588764660, now seen corresponding path program 1 times [2018-11-28 11:54:13,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:54:13,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:54:13,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:13,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:13,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:13,507 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 11:54:13,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:54:13,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:54:13,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:54:13,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:54:13,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:54:13,509 INFO L87 Difference]: Start difference. First operand 786 states and 972 transitions. Second operand 4 states. [2018-11-28 11:54:13,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:54:13,701 INFO L93 Difference]: Finished difference Result 1938 states and 2607 transitions. [2018-11-28 11:54:13,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:54:13,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-28 11:54:13,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:54:13,706 INFO L225 Difference]: With dead ends: 1938 [2018-11-28 11:54:13,707 INFO L226 Difference]: Without dead ends: 1176 [2018-11-28 11:54:13,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:54:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2018-11-28 11:54:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1041. [2018-11-28 11:54:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2018-11-28 11:54:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1298 transitions. [2018-11-28 11:54:13,757 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1298 transitions. Word has length 61 [2018-11-28 11:54:13,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:54:13,757 INFO L480 AbstractCegarLoop]: Abstraction has 1041 states and 1298 transitions. [2018-11-28 11:54:13,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:54:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1298 transitions. [2018-11-28 11:54:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:54:13,759 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:54:13,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:13,759 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:54:13,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:54:13,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1174479952, now seen corresponding path program 1 times [2018-11-28 11:54:13,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:54:13,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:54:13,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:13,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:13,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 11:54:13,843 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:54:13,844 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/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 11:54:13,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:13,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:54:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 11:54:14,046 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:54:14,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 11:54:14,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 11:54:14,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 11:54:14,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 11:54:14,047 INFO L87 Difference]: Start difference. First operand 1041 states and 1298 transitions. Second operand 12 states. [2018-11-28 11:54:16,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:54:16,093 INFO L93 Difference]: Finished difference Result 2442 states and 3287 transitions. [2018-11-28 11:54:16,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-28 11:54:16,094 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-11-28 11:54:16,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:54:16,102 INFO L225 Difference]: With dead ends: 2442 [2018-11-28 11:54:16,102 INFO L226 Difference]: Without dead ends: 1695 [2018-11-28 11:54:16,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-28 11:54:16,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2018-11-28 11:54:16,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1495. [2018-11-28 11:54:16,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2018-11-28 11:54:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1885 transitions. [2018-11-28 11:54:16,187 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1885 transitions. Word has length 88 [2018-11-28 11:54:16,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:54:16,187 INFO L480 AbstractCegarLoop]: Abstraction has 1495 states and 1885 transitions. [2018-11-28 11:54:16,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 11:54:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1885 transitions. [2018-11-28 11:54:16,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-28 11:54:16,192 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:54:16,192 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:16,192 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:54:16,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:54:16,192 INFO L82 PathProgramCache]: Analyzing trace with hash -264977040, now seen corresponding path program 1 times [2018-11-28 11:54:16,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:54:16,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:54:16,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:16,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:16,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:16,254 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 11:54:16,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:54:16,254 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/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 11:54:16,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:16,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:54:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 11:54:16,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:54:16,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 11:54:16,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:54:16,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:54:16,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:54:16,406 INFO L87 Difference]: Start difference. First operand 1495 states and 1885 transitions. Second operand 6 states. [2018-11-28 11:54:16,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:54:16,505 INFO L93 Difference]: Finished difference Result 3022 states and 4012 transitions. [2018-11-28 11:54:16,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:54:16,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-28 11:54:16,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:54:16,513 INFO L225 Difference]: With dead ends: 3022 [2018-11-28 11:54:16,513 INFO L226 Difference]: Without dead ends: 1551 [2018-11-28 11:54:16,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 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 11:54:16,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2018-11-28 11:54:16,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1535. [2018-11-28 11:54:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2018-11-28 11:54:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 1929 transitions. [2018-11-28 11:54:16,610 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 1929 transitions. Word has length 147 [2018-11-28 11:54:16,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:54:16,610 INFO L480 AbstractCegarLoop]: Abstraction has 1535 states and 1929 transitions. [2018-11-28 11:54:16,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:54:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1929 transitions. [2018-11-28 11:54:16,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-28 11:54:16,614 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:54:16,615 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:16,615 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:54:16,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:54:16,615 INFO L82 PathProgramCache]: Analyzing trace with hash 2123586990, now seen corresponding path program 1 times [2018-11-28 11:54:16,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:54:16,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:54:16,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:16,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:16,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 11:54:16,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:54:16,732 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/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 11:54:16,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:16,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:54:16,890 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 11:54:16,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:54:16,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 11:54:16,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 11:54:16,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 11:54:16,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:54:16,916 INFO L87 Difference]: Start difference. First operand 1535 states and 1929 transitions. Second operand 11 states. [2018-11-28 11:54:16,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:54:16,982 INFO L93 Difference]: Finished difference Result 2783 states and 3600 transitions. [2018-11-28 11:54:16,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:54:16,983 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2018-11-28 11:54:16,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:54:16,986 INFO L225 Difference]: With dead ends: 2783 [2018-11-28 11:54:16,987 INFO L226 Difference]: Without dead ends: 1272 [2018-11-28 11:54:16,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:54:16,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2018-11-28 11:54:17,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1272. [2018-11-28 11:54:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2018-11-28 11:54:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1601 transitions. [2018-11-28 11:54:17,036 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1601 transitions. Word has length 147 [2018-11-28 11:54:17,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:54:17,036 INFO L480 AbstractCegarLoop]: Abstraction has 1272 states and 1601 transitions. [2018-11-28 11:54:17,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 11:54:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1601 transitions. [2018-11-28 11:54:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-28 11:54:17,039 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:54:17,039 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:17,039 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:54:17,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:54:17,039 INFO L82 PathProgramCache]: Analyzing trace with hash -714019885, now seen corresponding path program 1 times [2018-11-28 11:54:17,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:54:17,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:54:17,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:17,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:17,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 11:54:17,150 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:54:17,150 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/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 11:54:17,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:17,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:54:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:54:17,314 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:54:17,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 11:54:17,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 11:54:17,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 11:54:17,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:54:17,315 INFO L87 Difference]: Start difference. First operand 1272 states and 1601 transitions. Second operand 14 states. [2018-11-28 11:54:18,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:54:18,486 INFO L93 Difference]: Finished difference Result 2862 states and 3907 transitions. [2018-11-28 11:54:18,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 11:54:18,487 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2018-11-28 11:54:18,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:54:18,491 INFO L225 Difference]: With dead ends: 2862 [2018-11-28 11:54:18,492 INFO L226 Difference]: Without dead ends: 1769 [2018-11-28 11:54:18,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 155 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 11:54:18,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2018-11-28 11:54:18,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1464. [2018-11-28 11:54:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2018-11-28 11:54:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1827 transitions. [2018-11-28 11:54:18,554 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1827 transitions. Word has length 151 [2018-11-28 11:54:18,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:54:18,554 INFO L480 AbstractCegarLoop]: Abstraction has 1464 states and 1827 transitions. [2018-11-28 11:54:18,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 11:54:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1827 transitions. [2018-11-28 11:54:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-28 11:54:18,558 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:54:18,558 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, 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] [2018-11-28 11:54:18,558 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:54:18,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:54:18,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1781892361, now seen corresponding path program 1 times [2018-11-28 11:54:18,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:54:18,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:54:18,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:18,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:18,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:54:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-28 11:54:18,649 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:54:18,649 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/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 11:54:18,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:54:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:54:18,732 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:54:18,785 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-28 11:54:18,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:54:18,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 11:54:18,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:54:18,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:54:18,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:54:18,802 INFO L87 Difference]: Start difference. First operand 1464 states and 1827 transitions. Second operand 13 states. [2018-11-28 11:54:18,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:54:18,858 INFO L93 Difference]: Finished difference Result 1977 states and 2459 transitions. [2018-11-28 11:54:18,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:54:18,861 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2018-11-28 11:54:18,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:54:18,862 INFO L225 Difference]: With dead ends: 1977 [2018-11-28 11:54:18,862 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:54:18,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 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 11:54:18,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:54:18,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:54:18,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:54:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:54:18,865 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2018-11-28 11:54:18,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:54:18,865 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:54:18,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:54:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:54:18,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:54:18,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:54:18,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:18,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:18,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:18,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:18,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:18,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:18,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:18,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:18,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:18,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:54:19,686 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2018-11-28 11:54:20,721 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 11:54:20,721 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 11:54:20,721 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 11:54:20,721 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 11:54:20,721 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 11:54:20,721 INFO L444 ceAbstractionStarter]: At program point L95(line 95) 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 11:54:20,721 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2018-11-28 11:54:20,721 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 99) no Hoare annotation was computed. [2018-11-28 11:54:20,722 INFO L444 ceAbstractionStarter]: At program point L91(line 91) 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 11:54:20,722 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-11-28 11:54:20,722 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 102) no Hoare annotation was computed. [2018-11-28 11:54:20,722 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2018-11-28 11:54:20,722 INFO L451 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: true [2018-11-28 11:54:20,722 INFO L448 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-11-28 11:54:20,722 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2018-11-28 11:54:20,722 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 489 511) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:54:20,722 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2018-11-28 11:54:20,722 INFO L444 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:54:20,722 INFO L444 ceAbstractionStarter]: At program point L501-1(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:54:20,722 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2018-11-28 11:54:20,722 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2018-11-28 11:54:20,722 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 11:54:20,722 INFO L444 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:54:20,723 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:54:20,723 INFO L444 ceAbstractionStarter]: At program point L495-1(line 495) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 489 511) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 401 415) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L444 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (and (or (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-11-28 11:54:20,723 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 401 415) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (not (= ~systemActive~0 0)) .cse0) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 401 415) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 318 326) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 318 326) the Hoare annotation is: true [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 318 326) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 382 400) the Hoare annotation is: true [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 382 400) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L451 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: true [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point L389-1(line 389) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 382 400) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 11:54:20,723 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 11:54:20,723 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 479 488) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 479 488) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 479 488) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 307 317) the Hoare annotation is: true [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 307 317) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L451 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: true [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 307 317) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 299 306) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 299 306) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 299 306) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 592 605) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 592 605) the Hoare annotation is: true [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 592 605) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L444 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2018-11-28 11:54:20,724 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 269) no Hoare annotation was computed. [2018-11-28 11:54:20,725 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 248 272) no Hoare annotation was computed. [2018-11-28 11:54:20,725 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 248 272) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 11:54:20,725 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-28 11:54:20,725 INFO L448 ceAbstractionStarter]: For program point L267-1(lines 248 272) no Hoare annotation was computed. [2018-11-28 11:54:20,725 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 11:54:20,725 INFO L444 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 11:54:20,725 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 214 220) no Hoare annotation was computed. [2018-11-28 11:54:20,725 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 214 220) the Hoare annotation is: true [2018-11-28 11:54:20,725 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 112 177) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:54:20,725 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 128) no Hoare annotation was computed. [2018-11-28 11:54:20,725 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 112 177) no Hoare annotation was computed. [2018-11-28 11:54:20,726 INFO L444 ceAbstractionStarter]: At program point L170(lines 121 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:54:20,726 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:54:20,726 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2018-11-28 11:54:20,726 INFO L444 ceAbstractionStarter]: At program point L158-1(lines 152 165) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:54:20,726 INFO L448 ceAbstractionStarter]: For program point L123(lines 122 169) no Hoare annotation was computed. [2018-11-28 11:54:20,726 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 165) no Hoare annotation was computed. [2018-11-28 11:54:20,726 INFO L444 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:54:20,726 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 148) no Hoare annotation was computed. [2018-11-28 11:54:20,726 INFO L448 ceAbstractionStarter]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2018-11-28 11:54:20,726 INFO L444 ceAbstractionStarter]: At program point L167(lines 122 169) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:54:20,727 INFO L444 ceAbstractionStarter]: At program point L134(line 134) 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 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 112 177) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 273 280) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 273 280) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 273 280) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 606 614) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 606 614) the Hoare annotation is: true [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 606 614) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L444 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 282 298) no Hoare annotation was computed. [2018-11-28 11:54:20,727 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 282 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:54:20,728 INFO L444 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point L293-1(lines 282 298) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 363 381) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 363 381) the Hoare annotation is: true [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 363 381) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L451 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: true [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 583 591) the Hoare annotation is: true [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 583 591) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 583 591) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 539 550) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 539 550) the Hoare annotation is: true [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 539 550) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 551 559) the Hoare annotation is: true [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 551 559) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 551 559) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2018-11-28 11:54:20,728 INFO L451 ceAbstractionStarter]: At program point L443(lines 418 447) the Hoare annotation is: true [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2018-11-28 11:54:20,728 INFO L451 ceAbstractionStarter]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2018-11-28 11:54:20,729 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-28 11:54:20,729 INFO L451 ceAbstractionStarter]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2018-11-28 11:54:20,729 INFO L451 ceAbstractionStarter]: At program point L424(line 424) the Hoare annotation is: true [2018-11-28 11:54:20,729 INFO L448 ceAbstractionStarter]: For program point L424-1(line 424) no Hoare annotation was computed. [2018-11-28 11:54:20,729 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0) (or .cse0 (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)))) [2018-11-28 11:54:20,729 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 0))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not .cse4)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or (and .cse1 .cse2) .cse0 .cse5)))) [2018-11-28 11:54:20,729 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2018-11-28 11:54:20,729 INFO L444 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (<= 2 ~waterLevel~0))) (and (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not .cse1) .cse2) (< |old(~waterLevel~0)| 1) (and .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (let ((.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse1 (< |old(~waterLevel~0)| 2) (and .cse0 .cse3) (and (= 0 ~pumpRunning~0) .cse3))))) [2018-11-28 11:54:20,729 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2018-11-28 11:54:20,729 INFO L444 ceAbstractionStarter]: At program point L196(line 196) 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 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2018-11-28 11:54:20,729 INFO L448 ceAbstractionStarter]: For program point L194(lines 193 212) no Hoare annotation was computed. [2018-11-28 11:54:20,729 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 515 526) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)) [2018-11-28 11:54:20,729 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 515 526) no Hoare annotation was computed. [2018-11-28 11:54:20,729 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2018-11-28 11:54:20,729 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 472 478) no Hoare annotation was computed. [2018-11-28 11:54:20,729 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 472 478) the Hoare annotation is: true [2018-11-28 11:54:20,729 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:54:20,729 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 11:54:20,730 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:54:20,730 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:54:20,730 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 222 246) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 11:54:20,730 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 222 246) no Hoare annotation was computed. [2018-11-28 11:54:20,730 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 11:54:20,730 INFO L448 ceAbstractionStarter]: For program point L241-1(lines 222 246) no Hoare annotation was computed. [2018-11-28 11:54:20,730 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:54:20,730 INFO L444 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:54:20,730 INFO L448 ceAbstractionStarter]: For program point L230(lines 230 238) no Hoare annotation was computed. [2018-11-28 11:54:20,730 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 11:54:20,730 INFO L448 ceAbstractionStarter]: For program point L228-1(line 228) no Hoare annotation was computed. [2018-11-28 11:54:20,730 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 243) no Hoare annotation was computed. [2018-11-28 11:54:20,731 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 527 538) no Hoare annotation was computed. [2018-11-28 11:54:20,731 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 527 538) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-28 11:54:20,731 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2018-11-28 11:54:20,731 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 616 623) no Hoare annotation was computed. [2018-11-28 11:54:20,731 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2018-11-28 11:54:20,731 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 616 623) the Hoare annotation is: true [2018-11-28 11:54:20,731 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 616 623) no Hoare annotation was computed. [2018-11-28 11:54:20,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:54:20 BoogieIcfgContainer [2018-11-28 11:54:20,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:54:20,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:54:20,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:54:20,745 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:54:20,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:54:11" (3/4) ... [2018-11-28 11:54:20,748 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:54:20,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:54:20,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:54:20,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 11:54:20,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 11:54:20,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:54:20,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:54:20,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:54:20,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 11:54:20,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:54:20,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:54:20,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:54:20,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:54:20,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:54:20,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:54:20,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:54:20,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:54:20,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:54:20,763 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 11:54:20,763 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:54:20,764 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:54:20,764 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:54:20,764 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:54:20,765 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:54:20,788 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-28 11:54:20,788 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 11:54:20,823 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1dd65c0e-8fb9-4daa-8831-7405026f6544/bin-2019/uautomizer/witness.graphml [2018-11-28 11:54:20,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:54:20,824 INFO L168 Benchmark]: Toolchain (without parser) took 9734.25 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 419.4 MB). Free memory was 954.9 MB in the beginning and 951.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 423.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:54:20,825 INFO L168 Benchmark]: CDTParser took 0.10 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 11:54:20,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:54:20,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:54:20,825 INFO L168 Benchmark]: Boogie Preprocessor took 28.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:54:20,826 INFO L168 Benchmark]: RCFGBuilder took 442.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:54:20,826 INFO L168 Benchmark]: TraceAbstraction took 8789.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 279.4 MB). Free memory was 1.1 GB in the beginning and 962.1 MB in the end (delta: 112.2 MB). Peak memory consumption was 540.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:54:20,826 INFO L168 Benchmark]: Witness Printer took 79.03 ms. Allocated memory is still 1.4 GB. Free memory was 962.1 MB in the beginning and 951.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:54:20,828 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 442.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8789.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 279.4 MB). Free memory was 1.1 GB in the beginning and 962.1 MB in the end (delta: 112.2 MB). Peak memory consumption was 540.9 MB. Max. memory is 11.5 GB. * Witness Printer took 79.03 ms. Allocated memory is still 1.4 GB. Free memory was 962.1 MB in the beginning and 951.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: 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: 121]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 162 locations, 1 error locations. SAFE Result, 8.7s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1858 SDtfs, 2423 SDslu, 6251 SDs, 0 SdLazy, 5595 SolverSat, 1413 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 917 GetRequests, 776 SyntacticMatches, 3 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1535occurred 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 676 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 3391 PreInvPairs, 3498 NumberOfFragments, 1008 HoareAnnotationTreeSize, 3391 FomulaSimplifications, 9234 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 67 FomulaSimplificationsInter, 9795 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1736 NumberOfCodeBlocks, 1736 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1721 ConstructedInterpolants, 0 QuantifiedInterpolants, 331159 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4271 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 395/432 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...