./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product41_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product41_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/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 59866f864e0ec5bf7736536ea91554085144fb1d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:22:19,311 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:22:19,312 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:22:19,318 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:22:19,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:22:19,319 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:22:19,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:22:19,320 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:22:19,321 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:22:19,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:22:19,322 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:22:19,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:22:19,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:22:19,323 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:22:19,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:22:19,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:22:19,324 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:22:19,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:22:19,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:22:19,327 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:22:19,328 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:22:19,328 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:22:19,330 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:22:19,330 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:22:19,330 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:22:19,330 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:22:19,331 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:22:19,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:22:19,332 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:22:19,332 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:22:19,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:22:19,333 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:22:19,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:22:19,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:22:19,334 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:22:19,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:22:19,334 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 17:22:19,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:22:19,342 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:22:19,342 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:22:19,342 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:22:19,342 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:22:19,343 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:22:19,343 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:22:19,343 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:22:19,343 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:22:19,343 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:22:19,343 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:22:19,343 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:22:19,343 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:22:19,343 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:22:19,343 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:22:19,344 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:22:19,344 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:22:19,344 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:22:19,344 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:22:19,344 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:22:19,344 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:22:19,344 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:22:19,344 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:22:19,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:22:19,344 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:22:19,344 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:22:19,345 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:22:19,345 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 17:22:19,345 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:22:19,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:22:19,345 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_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/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 -> 59866f864e0ec5bf7736536ea91554085144fb1d [2018-12-02 17:22:19,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:22:19,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:22:19,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:22:19,375 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:22:19,376 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:22:19,376 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product41_false-unreach-call_false-termination.cil.c [2018-12-02 17:22:19,412 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/data/5bc42959a/5fa967a7696041a08d118fdf4aa839fc/FLAG806cb91d4 [2018-12-02 17:22:19,794 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:22:19,794 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/sv-benchmarks/c/product-lines/minepump_spec4_product41_false-unreach-call_false-termination.cil.c [2018-12-02 17:22:19,800 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/data/5bc42959a/5fa967a7696041a08d118fdf4aa839fc/FLAG806cb91d4 [2018-12-02 17:22:20,153 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/data/5bc42959a/5fa967a7696041a08d118fdf4aa839fc [2018-12-02 17:22:20,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:22:20,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:22:20,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:22:20,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:22:20,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:22:20,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20, skipping insertion in model container [2018-12-02 17:22:20,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:22:20,204 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:22:20,360 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:22:20,401 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:22:20,441 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:22:20,456 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:22:20,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20 WrapperNode [2018-12-02 17:22:20,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:22:20,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:22:20,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:22:20,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:22:20,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:22:20,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:22:20,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:22:20,481 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:22:20,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (1/1) ... [2018-12-02 17:22:20,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:22:20,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:22:20,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:22:20,508 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:22:20,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/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 [2018-12-02 17:22:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 17:22:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 17:22:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-02 17:22:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-02 17:22:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:22:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:22:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:22:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 17:22:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 17:22:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 17:22:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 17:22:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 17:22:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 17:22:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 17:22:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 17:22:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 17:22:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 17:22:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 17:22:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 17:22:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 17:22:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 17:22:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 17:22:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 17:22:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 17:22:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 17:22:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 17:22:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 17:22:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 17:22:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 17:22:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 17:22:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 17:22:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 17:22:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 17:22:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 17:22:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 17:22:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 17:22:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 17:22:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 17:22:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 17:22:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 17:22:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 17:22:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 17:22:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 17:22:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 17:22:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 17:22:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 17:22:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:22:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:22:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 17:22:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 17:22:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 17:22:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 17:22:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:22:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:22:20,808 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:22:20,808 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 17:22:20,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:22:20 BoogieIcfgContainer [2018-12-02 17:22:20,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:22:20,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:22:20,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:22:20,811 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:22:20,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:22:20" (1/3) ... [2018-12-02 17:22:20,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c061863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:22:20, skipping insertion in model container [2018-12-02 17:22:20,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:22:20" (2/3) ... [2018-12-02 17:22:20,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c061863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:22:20, skipping insertion in model container [2018-12-02 17:22:20,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:22:20" (3/3) ... [2018-12-02 17:22:20,813 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product41_false-unreach-call_false-termination.cil.c [2018-12-02 17:22:20,819 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:22:20,824 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:22:20,832 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:22:20,849 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:22:20,849 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:22:20,850 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:22:20,850 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:22:20,850 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:22:20,850 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:22:20,850 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:22:20,850 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:22:20,850 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:22:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2018-12-02 17:22:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:22:20,865 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:22:20,866 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] [2018-12-02 17:22:20,867 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:22:20,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:22:20,871 INFO L82 PathProgramCache]: Analyzing trace with hash 263104783, now seen corresponding path program 1 times [2018-12-02 17:22:20,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:22:20,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:22:20,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:20,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:20,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:22:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:22:21,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:22:21,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:22:21,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:22:21,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:22:21,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:22:21,018 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2018-12-02 17:22:21,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:22:21,040 INFO L93 Difference]: Finished difference Result 240 states and 295 transitions. [2018-12-02 17:22:21,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:22:21,040 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 17:22:21,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:22:21,047 INFO L225 Difference]: With dead ends: 240 [2018-12-02 17:22:21,047 INFO L226 Difference]: Without dead ends: 120 [2018-12-02 17:22:21,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:22:21,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-02 17:22:21,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-02 17:22:21,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-02 17:22:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-12-02 17:22:21,079 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 46 [2018-12-02 17:22:21,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:22:21,079 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-12-02 17:22:21,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:22:21,080 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-12-02 17:22:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 17:22:21,081 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:22:21,081 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] [2018-12-02 17:22:21,081 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:22:21,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:22:21,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1915497988, now seen corresponding path program 1 times [2018-12-02 17:22:21,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:22:21,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:22:21,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:21,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:21,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:22:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:22:21,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:22:21,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:22:21,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:22:21,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:22:21,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:22:21,140 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 3 states. [2018-12-02 17:22:21,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:22:21,151 INFO L93 Difference]: Finished difference Result 189 states and 217 transitions. [2018-12-02 17:22:21,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:22:21,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 17:22:21,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:22:21,153 INFO L225 Difference]: With dead ends: 189 [2018-12-02 17:22:21,153 INFO L226 Difference]: Without dead ends: 111 [2018-12-02 17:22:21,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:22:21,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-02 17:22:21,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-12-02 17:22:21,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-12-02 17:22:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2018-12-02 17:22:21,160 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 47 [2018-12-02 17:22:21,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:22:21,160 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2018-12-02 17:22:21,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:22:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2018-12-02 17:22:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 17:22:21,161 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:22:21,161 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:22:21,161 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:22:21,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:22:21,161 INFO L82 PathProgramCache]: Analyzing trace with hash -344245054, now seen corresponding path program 1 times [2018-12-02 17:22:21,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:22:21,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:22:21,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:21,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:21,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:22:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:22:21,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:22:21,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:22:21,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:22:21,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:22:21,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:22:21,228 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand 7 states. [2018-12-02 17:22:21,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:22:21,378 INFO L93 Difference]: Finished difference Result 198 states and 231 transitions. [2018-12-02 17:22:21,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:22:21,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-02 17:22:21,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:22:21,379 INFO L225 Difference]: With dead ends: 198 [2018-12-02 17:22:21,379 INFO L226 Difference]: Without dead ends: 111 [2018-12-02 17:22:21,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:22:21,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-02 17:22:21,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-12-02 17:22:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-12-02 17:22:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2018-12-02 17:22:21,386 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 51 [2018-12-02 17:22:21,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:22:21,386 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2018-12-02 17:22:21,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:22:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2018-12-02 17:22:21,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 17:22:21,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:22:21,387 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] [2018-12-02 17:22:21,387 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:22:21,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:22:21,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1388416387, now seen corresponding path program 1 times [2018-12-02 17:22:21,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:22:21,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:22:21,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:21,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:21,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:22:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:22:21,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:22:21,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:22:21,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:22:21,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:22:21,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:22:21,446 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand 5 states. [2018-12-02 17:22:21,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:22:21,683 INFO L93 Difference]: Finished difference Result 283 states and 337 transitions. [2018-12-02 17:22:21,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:22:21,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2018-12-02 17:22:21,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:22:21,685 INFO L225 Difference]: With dead ends: 283 [2018-12-02 17:22:21,686 INFO L226 Difference]: Without dead ends: 196 [2018-12-02 17:22:21,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:22:21,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-12-02 17:22:21,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 178. [2018-12-02 17:22:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-12-02 17:22:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 203 transitions. [2018-12-02 17:22:21,705 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 203 transitions. Word has length 59 [2018-12-02 17:22:21,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:22:21,705 INFO L480 AbstractCegarLoop]: Abstraction has 178 states and 203 transitions. [2018-12-02 17:22:21,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:22:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 203 transitions. [2018-12-02 17:22:21,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-02 17:22:21,707 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:22:21,707 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:22:21,707 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:22:21,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:22:21,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1035274394, now seen corresponding path program 1 times [2018-12-02 17:22:21,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:22:21,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:22:21,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:21,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:21,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:22:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:22:21,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:22:21,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:22:21,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:22:21,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:22:21,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:22:21,790 INFO L87 Difference]: Start difference. First operand 178 states and 203 transitions. Second operand 8 states. [2018-12-02 17:22:21,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:22:21,812 INFO L93 Difference]: Finished difference Result 339 states and 397 transitions. [2018-12-02 17:22:21,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:22:21,812 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2018-12-02 17:22:21,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:22:21,814 INFO L225 Difference]: With dead ends: 339 [2018-12-02 17:22:21,814 INFO L226 Difference]: Without dead ends: 185 [2018-12-02 17:22:21,815 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:22:21,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-12-02 17:22:21,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2018-12-02 17:22:21,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-12-02 17:22:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 207 transitions. [2018-12-02 17:22:21,829 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 207 transitions. Word has length 73 [2018-12-02 17:22:21,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:22:21,829 INFO L480 AbstractCegarLoop]: Abstraction has 182 states and 207 transitions. [2018-12-02 17:22:21,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:22:21,829 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 207 transitions. [2018-12-02 17:22:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-02 17:22:21,830 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:22:21,830 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:22:21,830 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:22:21,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:22:21,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1336464868, now seen corresponding path program 1 times [2018-12-02 17:22:21,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:22:21,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:22:21,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:21,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:21,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:22:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:22:21,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:22:21,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 17:22:21,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 17:22:21,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 17:22:21,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:22:21,912 INFO L87 Difference]: Start difference. First operand 182 states and 207 transitions. Second operand 10 states. [2018-12-02 17:22:22,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:22:22,201 INFO L93 Difference]: Finished difference Result 585 states and 722 transitions. [2018-12-02 17:22:22,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 17:22:22,202 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2018-12-02 17:22:22,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:22:22,204 INFO L225 Difference]: With dead ends: 585 [2018-12-02 17:22:22,205 INFO L226 Difference]: Without dead ends: 427 [2018-12-02 17:22:22,206 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 [2018-12-02 17:22:22,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-12-02 17:22:22,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 417. [2018-12-02 17:22:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-12-02 17:22:22,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 488 transitions. [2018-12-02 17:22:22,232 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 488 transitions. Word has length 73 [2018-12-02 17:22:22,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:22:22,232 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 488 transitions. [2018-12-02 17:22:22,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 17:22:22,232 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 488 transitions. [2018-12-02 17:22:22,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 17:22:22,235 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:22:22,235 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:22:22,235 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:22:22,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:22:22,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1166245507, now seen corresponding path program 1 times [2018-12-02 17:22:22,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:22:22,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:22:22,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:22,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:22,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:22:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 17:22:22,307 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:22:22,307 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/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 [2018-12-02 17:22:22,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:22:22,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:22:22,473 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:22:22,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:22:22,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-12-02 17:22:22,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 17:22:22,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 17:22:22,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:22:22,491 INFO L87 Difference]: Start difference. First operand 417 states and 488 transitions. Second operand 12 states. [2018-12-02 17:22:23,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:22:23,394 INFO L93 Difference]: Finished difference Result 961 states and 1276 transitions. [2018-12-02 17:22:23,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-02 17:22:23,394 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2018-12-02 17:22:23,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:22:23,397 INFO L225 Difference]: With dead ends: 961 [2018-12-02 17:22:23,397 INFO L226 Difference]: Without dead ends: 568 [2018-12-02 17:22:23,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-12-02 17:22:23,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-02 17:22:23,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 496. [2018-12-02 17:22:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-12-02 17:22:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 599 transitions. [2018-12-02 17:22:23,421 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 599 transitions. Word has length 132 [2018-12-02 17:22:23,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:22:23,422 INFO L480 AbstractCegarLoop]: Abstraction has 496 states and 599 transitions. [2018-12-02 17:22:23,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 17:22:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 599 transitions. [2018-12-02 17:22:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 17:22:23,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:22:23,423 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:22:23,423 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:22:23,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:22:23,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1623220820, now seen corresponding path program 1 times [2018-12-02 17:22:23,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:22:23,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:22:23,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:23,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:23,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:22:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:22:23,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:22:23,519 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/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 [2018-12-02 17:22:23,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:22:23,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:22:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:22:23,691 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 17:22:23,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-12-02 17:22:23,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 17:22:23,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 17:22:23,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-02 17:22:23,692 INFO L87 Difference]: Start difference. First operand 496 states and 599 transitions. Second operand 15 states. [2018-12-02 17:22:24,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:22:24,322 INFO L93 Difference]: Finished difference Result 985 states and 1247 transitions. [2018-12-02 17:22:24,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 17:22:24,322 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 128 [2018-12-02 17:22:24,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:22:24,324 INFO L225 Difference]: With dead ends: 985 [2018-12-02 17:22:24,325 INFO L226 Difference]: Without dead ends: 563 [2018-12-02 17:22:24,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-12-02 17:22:24,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2018-12-02 17:22:24,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 484. [2018-12-02 17:22:24,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-12-02 17:22:24,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 583 transitions. [2018-12-02 17:22:24,350 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 583 transitions. Word has length 128 [2018-12-02 17:22:24,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:22:24,351 INFO L480 AbstractCegarLoop]: Abstraction has 484 states and 583 transitions. [2018-12-02 17:22:24,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 17:22:24,351 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 583 transitions. [2018-12-02 17:22:24,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-02 17:22:24,353 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:22:24,353 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, 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] [2018-12-02 17:22:24,353 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:22:24,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:22:24,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1743969172, now seen corresponding path program 2 times [2018-12-02 17:22:24,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:22:24,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:22:24,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:24,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:22:24,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:22:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:22:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:22:24,480 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 17:22:24,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:22:24 BoogieIcfgContainer [2018-12-02 17:22:24,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:22:24,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:22:24,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:22:24,595 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:22:24,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:22:20" (3/4) ... [2018-12-02 17:22:24,597 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 17:22:24,707 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3fdd5bc4-5791-4d6f-acb0-9d33c0dbf93f/bin-2019/uautomizer/witness.graphml [2018-12-02 17:22:24,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:22:24,707 INFO L168 Benchmark]: Toolchain (without parser) took 4548.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 278.9 MB). Free memory was 954.9 MB in the beginning and 883.5 MB in the end (delta: 71.4 MB). Peak memory consumption was 350.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:22:24,708 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:22:24,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-02 17:22:24,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:22:24,708 INFO L168 Benchmark]: Boogie Preprocessor took 27.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:22:24,708 INFO L168 Benchmark]: RCFGBuilder took 300.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:22:24,709 INFO L168 Benchmark]: TraceAbstraction took 3784.67 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 940.5 MB in the end (delta: 90.2 MB). Peak memory consumption was 272.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:22:24,709 INFO L168 Benchmark]: Witness Printer took 112.86 ms. Allocated memory is still 1.3 GB. Free memory was 940.5 MB in the beginning and 883.5 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. [2018-12-02 17:22:24,710 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 300.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3784.67 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.0 GB in the beginning and 940.5 MB in the end (delta: 90.2 MB). Peak memory consumption was 272.1 MB. Max. memory is 11.5 GB. * Witness Printer took 112.86 ms. Allocated memory is still 1.3 GB. Free memory was 940.5 MB in the beginning and 883.5 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 211]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L385] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L822] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=200, \old(head)=201, \old(head)=189, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=147, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] int retValue_acc ; [L896] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L198] int retValue_acc ; [L201] retValue_acc = 1 [L202] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L902] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L902] tmp = valid_product() [L904] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L906] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L907] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L585] int splverifierCounter ; [L586] int tmp ; [L587] int tmp___0 ; [L588] int tmp___1 ; [L589] int tmp___2 ; [L592] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L602] tmp = __VERIFIER_nondet_int() [L604] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L606] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L606] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L659] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L803] int retValue_acc ; [L804] int tmp ; [L805] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L809] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] tmp = isHighWaterSensorDry() [L811] COND FALSE !(\read(tmp)) [L814] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L816] retValue_acc = tmp___0 [L817] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L693] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L697] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L722] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L747] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L751] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] retValue_acc = isMethaneLevelCritical() [L753] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L726] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] tmp = isMethaneAlarm() [L728] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L732] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L716] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L732] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L697] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L144] int tmp ; [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L149] tmp = getWaterLevel() [L151] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L674] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L637] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L659] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L661] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L661] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L691] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L144] int tmp ; [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L149] tmp = getWaterLevel() [L151] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L674] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L637] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L659] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L661] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L661] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L691] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L144] int tmp ; [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L149] tmp = getWaterLevel() [L151] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L153] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L758] int retValue_acc ; [L761] retValue_acc = pumpRunning [L762] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L153] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L153] tmp___0 = isPumpRunning() [L155] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L157] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L211] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 133 locations, 1 error locations. UNSAFE Result, 3.7s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1119 SDtfs, 1291 SDslu, 3195 SDs, 0 SdLazy, 3239 SolverSat, 639 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 182 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1032 NumberOfCodeBlocks, 1032 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 859 ConstructedInterpolants, 0 QuantifiedInterpolants, 159468 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1600 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 89/104 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...