./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product43_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_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/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 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:01:11,952 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:01:11,952 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:01:11,959 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:01:11,959 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:01:11,959 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:01:11,960 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:01:11,961 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:01:11,962 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:01:11,962 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:01:11,963 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:01:11,963 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:01:11,963 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:01:11,964 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:01:11,965 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:01:11,965 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:01:11,965 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:01:11,966 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:01:11,967 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:01:11,968 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:01:11,969 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:01:11,969 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:01:11,971 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:01:11,971 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:01:11,971 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:01:11,971 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:01:11,972 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:01:11,972 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:01:11,973 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:01:11,973 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:01:11,973 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:01:11,974 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:01:11,974 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:01:11,974 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:01:11,974 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:01:11,975 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:01:11,975 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 15:01:11,982 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:01:11,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:01:11,983 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:01:11,983 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 15:01:11,983 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 15:01:11,983 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 15:01:11,983 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 15:01:11,983 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:01:11,983 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:01:11,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:01:11,984 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 15:01:11,985 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:01:11,985 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 15:01:11,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 15:01:11,985 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:01:11,985 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:01:11,985 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:01:11,985 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 15:01:11,985 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:01:11,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 15:01:11,985 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_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/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 -> 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 [2018-12-02 15:01:12,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:01:12,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:01:12,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:01:12,012 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:01:12,012 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:01:12,012 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product43_false-unreach-call_false-termination.cil.c [2018-12-02 15:01:12,049 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/data/eb491b636/3dbe75b913794067836a6e337e40e4ea/FLAGe3b48f7b2 [2018-12-02 15:01:12,414 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:01:12,414 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/sv-benchmarks/c/product-lines/minepump_spec1_product43_false-unreach-call_false-termination.cil.c [2018-12-02 15:01:12,421 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/data/eb491b636/3dbe75b913794067836a6e337e40e4ea/FLAGe3b48f7b2 [2018-12-02 15:01:12,428 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/data/eb491b636/3dbe75b913794067836a6e337e40e4ea [2018-12-02 15:01:12,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:01:12,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:01:12,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:01:12,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:01:12,433 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:01:12,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12, skipping insertion in model container [2018-12-02 15:01:12,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:01:12,460 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:01:12,604 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:01:12,644 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:01:12,702 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:01:12,716 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:01:12,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12 WrapperNode [2018-12-02 15:01:12,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:01:12,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:01:12,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:01:12,717 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:01:12,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:01:12,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:01:12,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:01:12,737 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:01:12,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (1/1) ... [2018-12-02 15:01:12,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:01:12,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:01:12,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:01:12,757 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:01:12,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/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 15:01:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 15:01:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 15:01:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 15:01:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 15:01:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 15:01:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 15:01:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 15:01:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 15:01:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 15:01:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 15:01:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 15:01:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 15:01:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 15:01:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 15:01:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 15:01:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 15:01:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 15:01:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 15:01:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 15:01:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 15:01:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 15:01:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 15:01:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 15:01:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 15:01:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 15:01:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 15:01:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 15:01:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 15:01:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 15:01:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 15:01:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 15:01:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 15:01:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 15:01:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 15:01:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 15:01:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 15:01:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 15:01:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 15:01:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 15:01:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 15:01:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 15:01:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 15:01:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 15:01:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 15:01:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 15:01:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 15:01:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 15:01:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 15:01:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 15:01:12,791 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 15:01:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 15:01:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 15:01:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:01:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:01:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 15:01:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 15:01:13,147 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:01:13,147 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 15:01:13,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:13 BoogieIcfgContainer [2018-12-02 15:01:13,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:01:13,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 15:01:13,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 15:01:13,150 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 15:01:13,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:01:12" (1/3) ... [2018-12-02 15:01:13,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f779c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:13, skipping insertion in model container [2018-12-02 15:01:13,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:12" (2/3) ... [2018-12-02 15:01:13,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f779c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:13, skipping insertion in model container [2018-12-02 15:01:13,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:13" (3/3) ... [2018-12-02 15:01:13,152 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product43_false-unreach-call_false-termination.cil.c [2018-12-02 15:01:13,158 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 15:01:13,163 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 15:01:13,172 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 15:01:13,190 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 15:01:13,191 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 15:01:13,191 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 15:01:13,191 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 15:01:13,191 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 15:01:13,191 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 15:01:13,191 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 15:01:13,191 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 15:01:13,191 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 15:01:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-12-02 15:01:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 15:01:13,208 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:13,209 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 15:01:13,210 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:13,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:13,214 INFO L82 PathProgramCache]: Analyzing trace with hash -184128027, now seen corresponding path program 1 times [2018-12-02 15:01:13,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:01:13,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:01:13,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:13,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:13,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:13,351 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 15:01:13,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:01:13,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 15:01:13,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 15:01:13,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 15:01:13,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 15:01:13,364 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-12-02 15:01:13,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:13,386 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-12-02 15:01:13,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 15:01:13,387 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 15:01:13,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:13,394 INFO L225 Difference]: With dead ends: 252 [2018-12-02 15:01:13,394 INFO L226 Difference]: Without dead ends: 126 [2018-12-02 15:01:13,396 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 15:01:13,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-02 15:01:13,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-02 15:01:13,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-02 15:01:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-12-02 15:01:13,426 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2018-12-02 15:01:13,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:13,426 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-12-02 15:01:13,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 15:01:13,426 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-12-02 15:01:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 15:01:13,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:13,428 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 15:01:13,428 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:13,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:13,429 INFO L82 PathProgramCache]: Analyzing trace with hash 19630979, now seen corresponding path program 1 times [2018-12-02 15:01:13,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:01:13,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:01:13,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:13,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:13,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:13,479 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 15:01:13,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:01:13,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 15:01:13,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:01:13,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:01:13,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 15:01:13,481 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-12-02 15:01:13,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:13,492 INFO L93 Difference]: Finished difference Result 192 states and 223 transitions. [2018-12-02 15:01:13,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:01:13,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 15:01:13,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:13,494 INFO L225 Difference]: With dead ends: 192 [2018-12-02 15:01:13,494 INFO L226 Difference]: Without dead ends: 117 [2018-12-02 15:01:13,495 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 15:01:13,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-02 15:01:13,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-02 15:01:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-02 15:01:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-12-02 15:01:13,502 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2018-12-02 15:01:13,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:13,502 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-12-02 15:01:13,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:01:13,502 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-12-02 15:01:13,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 15:01:13,503 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:13,503 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 15:01:13,503 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:13,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:13,503 INFO L82 PathProgramCache]: Analyzing trace with hash 611754136, now seen corresponding path program 1 times [2018-12-02 15:01:13,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:01:13,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:01:13,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:13,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:13,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:13,579 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 15:01:13,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:01:13,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 15:01:13,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 15:01:13,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 15:01:13,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 15:01:13,580 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2018-12-02 15:01:13,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:13,830 INFO L93 Difference]: Finished difference Result 353 states and 423 transitions. [2018-12-02 15:01:13,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 15:01:13,830 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-02 15:01:13,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:13,834 INFO L225 Difference]: With dead ends: 353 [2018-12-02 15:01:13,834 INFO L226 Difference]: Without dead ends: 260 [2018-12-02 15:01:13,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 15:01:13,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-12-02 15:01:13,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 240. [2018-12-02 15:01:13,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-12-02 15:01:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 286 transitions. [2018-12-02 15:01:13,861 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 286 transitions. Word has length 51 [2018-12-02 15:01:13,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:13,862 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 286 transitions. [2018-12-02 15:01:13,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 15:01:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 286 transitions. [2018-12-02 15:01:13,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 15:01:13,864 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:13,864 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:01:13,864 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:13,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:13,865 INFO L82 PathProgramCache]: Analyzing trace with hash -560090356, now seen corresponding path program 1 times [2018-12-02 15:01:13,865 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:01:13,865 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:01:13,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:13,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:13,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:13,955 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 15:01:13,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:01:13,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 15:01:13,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 15:01:13,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 15:01:13,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:01:13,956 INFO L87 Difference]: Start difference. First operand 240 states and 286 transitions. Second operand 6 states. [2018-12-02 15:01:14,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:14,083 INFO L93 Difference]: Finished difference Result 657 states and 806 transitions. [2018-12-02 15:01:14,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 15:01:14,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-02 15:01:14,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:14,087 INFO L225 Difference]: With dead ends: 657 [2018-12-02 15:01:14,087 INFO L226 Difference]: Without dead ends: 441 [2018-12-02 15:01:14,088 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 15:01:14,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-12-02 15:01:14,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 435. [2018-12-02 15:01:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-12-02 15:01:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 522 transitions. [2018-12-02 15:01:14,120 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 522 transitions. Word has length 57 [2018-12-02 15:01:14,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:14,120 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 522 transitions. [2018-12-02 15:01:14,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 15:01:14,120 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 522 transitions. [2018-12-02 15:01:14,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 15:01:14,122 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:14,122 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:01:14,122 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:14,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:14,122 INFO L82 PathProgramCache]: Analyzing trace with hash -165783568, now seen corresponding path program 1 times [2018-12-02 15:01:14,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:01:14,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:01:14,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:14,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:14,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:14,210 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 15:01:14,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:01:14,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 15:01:14,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 15:01:14,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 15:01:14,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 15:01:14,211 INFO L87 Difference]: Start difference. First operand 435 states and 522 transitions. Second operand 7 states. [2018-12-02 15:01:14,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:14,510 INFO L93 Difference]: Finished difference Result 1128 states and 1443 transitions. [2018-12-02 15:01:14,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 15:01:14,510 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-02 15:01:14,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:14,514 INFO L225 Difference]: With dead ends: 1128 [2018-12-02 15:01:14,514 INFO L226 Difference]: Without dead ends: 717 [2018-12-02 15:01:14,515 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 15:01:14,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-12-02 15:01:14,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 633. [2018-12-02 15:01:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-12-02 15:01:14,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 761 transitions. [2018-12-02 15:01:14,562 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 761 transitions. Word has length 61 [2018-12-02 15:01:14,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:14,563 INFO L480 AbstractCegarLoop]: Abstraction has 633 states and 761 transitions. [2018-12-02 15:01:14,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 15:01:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 761 transitions. [2018-12-02 15:01:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 15:01:14,564 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:14,564 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:01:14,564 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:14,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:14,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1529417656, now seen corresponding path program 1 times [2018-12-02 15:01:14,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:01:14,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:01:14,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:14,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:14,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:01:14,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:01:14,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 15:01:14,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 15:01:14,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 15:01:14,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:01:14,620 INFO L87 Difference]: Start difference. First operand 633 states and 761 transitions. Second operand 6 states. [2018-12-02 15:01:14,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:14,653 INFO L93 Difference]: Finished difference Result 1270 states and 1570 transitions. [2018-12-02 15:01:14,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 15:01:14,654 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-02 15:01:14,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:14,655 INFO L225 Difference]: With dead ends: 1270 [2018-12-02 15:01:14,656 INFO L226 Difference]: Without dead ends: 661 [2018-12-02 15:01:14,657 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 15:01:14,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-12-02 15:01:14,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 653. [2018-12-02 15:01:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2018-12-02 15:01:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 781 transitions. [2018-12-02 15:01:14,679 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 781 transitions. Word has length 93 [2018-12-02 15:01:14,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:14,679 INFO L480 AbstractCegarLoop]: Abstraction has 653 states and 781 transitions. [2018-12-02 15:01:14,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 15:01:14,679 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 781 transitions. [2018-12-02 15:01:14,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 15:01:14,680 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:14,681 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:01:14,681 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:14,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:14,681 INFO L82 PathProgramCache]: Analyzing trace with hash 632024378, now seen corresponding path program 1 times [2018-12-02 15:01:14,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:01:14,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:01:14,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:14,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:14,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:01:14,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:01:14,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 15:01:14,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 15:01:14,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 15:01:14,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 15:01:14,742 INFO L87 Difference]: Start difference. First operand 653 states and 781 transitions. Second operand 8 states. [2018-12-02 15:01:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:14,774 INFO L93 Difference]: Finished difference Result 1310 states and 1610 transitions. [2018-12-02 15:01:14,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 15:01:14,774 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-02 15:01:14,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:14,776 INFO L225 Difference]: With dead ends: 1310 [2018-12-02 15:01:14,776 INFO L226 Difference]: Without dead ends: 681 [2018-12-02 15:01:14,778 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 15:01:14,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-12-02 15:01:14,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 669. [2018-12-02 15:01:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-12-02 15:01:14,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 797 transitions. [2018-12-02 15:01:14,799 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 797 transitions. Word has length 93 [2018-12-02 15:01:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:14,800 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 797 transitions. [2018-12-02 15:01:14,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 15:01:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 797 transitions. [2018-12-02 15:01:14,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 15:01:14,801 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:14,801 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:01:14,801 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:14,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:14,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1692003461, now seen corresponding path program 1 times [2018-12-02 15:01:14,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:01:14,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:01:14,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:14,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:14,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 15:01:14,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:01:14,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 15:01:14,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 15:01:14,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 15:01:14,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 15:01:14,856 INFO L87 Difference]: Start difference. First operand 669 states and 797 transitions. Second operand 4 states. [2018-12-02 15:01:15,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:15,000 INFO L93 Difference]: Finished difference Result 2127 states and 2660 transitions. [2018-12-02 15:01:15,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 15:01:15,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-02 15:01:15,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:15,007 INFO L225 Difference]: With dead ends: 2127 [2018-12-02 15:01:15,007 INFO L226 Difference]: Without dead ends: 1482 [2018-12-02 15:01:15,009 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 15:01:15,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2018-12-02 15:01:15,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1451. [2018-12-02 15:01:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1451 states. [2018-12-02 15:01:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1767 transitions. [2018-12-02 15:01:15,082 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1767 transitions. Word has length 93 [2018-12-02 15:01:15,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:15,082 INFO L480 AbstractCegarLoop]: Abstraction has 1451 states and 1767 transitions. [2018-12-02 15:01:15,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 15:01:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1767 transitions. [2018-12-02 15:01:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 15:01:15,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:15,085 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:01:15,085 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:15,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:15,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1486305825, now seen corresponding path program 1 times [2018-12-02 15:01:15,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:01:15,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:01:15,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:15,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:15,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 15:01:15,180 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 15:01:15,180 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/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 15:01:15,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:01:15,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 15:01:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:01:15,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 15:01:15,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 15:01:15,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 15:01:15,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 15:01:15,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 15:01:15,393 INFO L87 Difference]: Start difference. First operand 1451 states and 1767 transitions. Second operand 19 states. [2018-12-02 15:01:15,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:01:15,990 INFO L93 Difference]: Finished difference Result 2852 states and 3508 transitions. [2018-12-02 15:01:15,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 15:01:15,990 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 97 [2018-12-02 15:01:15,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:01:15,994 INFO L225 Difference]: With dead ends: 2852 [2018-12-02 15:01:15,994 INFO L226 Difference]: Without dead ends: 1425 [2018-12-02 15:01:15,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 15:01:15,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2018-12-02 15:01:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1425. [2018-12-02 15:01:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2018-12-02 15:01:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1695 transitions. [2018-12-02 15:01:16,044 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1695 transitions. Word has length 97 [2018-12-02 15:01:16,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:01:16,044 INFO L480 AbstractCegarLoop]: Abstraction has 1425 states and 1695 transitions. [2018-12-02 15:01:16,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 15:01:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1695 transitions. [2018-12-02 15:01:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 15:01:16,047 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:01:16,047 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:01:16,047 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:01:16,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:01:16,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1406219486, now seen corresponding path program 1 times [2018-12-02 15:01:16,048 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:01:16,048 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:01:16,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:16,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:01:16,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:01:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 15:01:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 15:01:16,137 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 15:01:16,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:01:16 BoogieIcfgContainer [2018-12-02 15:01:16,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 15:01:16,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:01:16,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:01:16,220 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:01:16,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:13" (3/4) ... [2018-12-02 15:01:16,222 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 15:01:16,304 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d5b90dbc-ba2c-40dc-85ae-5aea5916d0f1/bin-2019/uautomizer/witness.graphml [2018-12-02 15:01:16,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:01:16,305 INFO L168 Benchmark]: Toolchain (without parser) took 3874.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 125.3 MB. Max. memory is 11.5 GB. [2018-12-02 15:01:16,306 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:01:16,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-02 15:01:16,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:01:16,306 INFO L168 Benchmark]: Boogie Preprocessor took 20.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 15:01:16,306 INFO L168 Benchmark]: RCFGBuilder took 390.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2018-12-02 15:01:16,306 INFO L168 Benchmark]: TraceAbstraction took 3071.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -113.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. [2018-12-02 15:01:16,306 INFO L168 Benchmark]: Witness Printer took 84.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2018-12-02 15:01:16,307 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 390.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3071.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -113.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. * Witness Printer took 84.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 405]: 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; [L147] int pumpRunning = 0; [L148] int systemActive = 1; [L436] int cleanupTimeShifts = 4; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int retValue_acc ; [L513] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L517] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L518] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L519] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L519] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L519] tmp = valid_product() [L521] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L523] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L524] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L503] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L344] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L346] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L356] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L356] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L389] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L299] int retValue_acc ; [L300] int tmp ; [L301] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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(systemActive)=1, \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(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L305] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] tmp = isHighWaterSensorDry() [L307] COND FALSE !(\read(tmp)) [L310] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L312] retValue_acc = tmp___0 [L313] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L189] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] tmp = isHighWaterLevel() [L191] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L193] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L222] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L243] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L247] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] retValue_acc = isMethaneLevelCritical() [L249] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L222] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L222] tmp = isMethaneAlarm() [L224] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L228] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L212] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L228] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L193] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L170] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L411] int tmp ; [L412] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L416] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L416] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L416] tmp = isMethaneLevelCritical() [L418] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L170] RET __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L389] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L344] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L346] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L352] tmp = __VERIFIER_nondet_int() [L354] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L366] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L366] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L389] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L157] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L187] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L202] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L170] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L411] int tmp ; [L412] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L416] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] tmp = isMethaneLevelCritical() [L418] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L420] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L254] int retValue_acc ; [L257] retValue_acc = pumpRunning [L258] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L420] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L420] tmp___0 = isPumpRunning() [L422] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L424] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L405] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. UNSAFE Result, 3.0s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1433 SDtfs, 923 SDslu, 4763 SDs, 0 SdLazy, 1643 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1451occurred in iteration=8, 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 161 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 867 NumberOfCodeBlocks, 867 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 725 ConstructedInterpolants, 0 QuantifiedInterpolants, 94815 SizeOfPredicates, 3 NumberOfNonLiveVariables, 740 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 13/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...