./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product54_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_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product54_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/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 72d06b83689108b06d89f4f95641f29fdbb51231 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-01 16:39:49,066 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:39:49,067 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:39:49,074 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:39:49,075 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:39:49,075 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:39:49,076 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:39:49,077 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:39:49,078 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:39:49,079 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:39:49,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:39:49,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:39:49,080 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:39:49,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:39:49,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:39:49,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:39:49,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:39:49,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:39:49,085 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:39:49,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:39:49,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:39:49,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:39:49,089 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:39:49,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:39:49,090 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:39:49,090 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:39:49,091 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:39:49,092 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:39:49,092 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:39:49,093 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:39:49,093 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:39:49,094 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:39:49,094 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:39:49,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:39:49,094 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:39:49,095 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:39:49,095 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 16:39:49,102 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:39:49,102 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:39:49,102 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:39:49,102 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 16:39:49,103 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:39:49,103 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:39:49,103 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 16:39:49,103 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:39:49,104 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:39:49,104 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:39:49,104 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:39:49,104 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:39:49,104 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:39:49,104 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:39:49,104 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:39:49,105 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:39:49,105 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:39:49,105 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:39:49,105 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:39:49,105 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:39:49,105 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 16:39:49,106 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:39:49,106 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 16:39:49,106 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 16:39:49,106 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:39:49,106 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:39:49,106 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:39:49,106 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 16:39:49,107 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:39:49,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:39:49,107 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_8bbe897a-5d6d-46df-8c71-808f8640dfdc/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 -> 72d06b83689108b06d89f4f95641f29fdbb51231 [2018-12-01 16:39:49,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:39:49,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:39:49,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:39:49,141 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:39:49,141 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:39:49,141 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product54_false-unreach-call_false-termination.cil.c [2018-12-01 16:39:49,180 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/data/1b6acefba/d974c3b5f5f74bb2a6f64277be8547e0/FLAG19510793f [2018-12-01 16:39:49,597 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:39:49,597 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/sv-benchmarks/c/product-lines/minepump_spec1_product54_false-unreach-call_false-termination.cil.c [2018-12-01 16:39:49,604 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/data/1b6acefba/d974c3b5f5f74bb2a6f64277be8547e0/FLAG19510793f [2018-12-01 16:39:49,612 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/data/1b6acefba/d974c3b5f5f74bb2a6f64277be8547e0 [2018-12-01 16:39:49,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:39:49,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:39:49,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:39:49,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:39:49,617 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:39:49,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,619 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 01.12 04:39:49, skipping insertion in model container [2018-12-01 16:39:49,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:39:49,645 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:39:49,808 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:39:49,855 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:39:49,913 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:39:49,933 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:39:49,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49 WrapperNode [2018-12-01 16:39:49,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:39:49,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:39:49,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:39:49,935 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:39:49,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:39:49,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:39:49,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:39:49,956 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:39:49,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... [2018-12-01 16:39:49,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:39:49,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:39:49,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:39:49,978 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:39:49,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/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 [2018-12-01 16:39:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 16:39:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 16:39:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 16:39:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 16:39:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 16:39:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 16:39:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:39:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 16:39:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 16:39:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 16:39:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 16:39:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 16:39:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 16:39:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 16:39:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 16:39:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 16:39:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 16:39:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 16:39:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 16:39:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 16:39:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 16:39:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 16:39:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 16:39:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 16:39:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 16:39:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 16:39:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 16:39:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 16:39:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 16:39:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 16:39:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 16:39:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 16:39:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 16:39:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 16:39:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 16:39:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 16:39:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 16:39:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 16:39:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 16:39:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 16:39:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-01 16:39:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 16:39:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 16:39:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 16:39:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 16:39:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 16:39:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 16:39:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 16:39:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 16:39:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 16:39:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 16:39:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 16:39:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 16:39:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 16:39:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 16:39:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 16:39:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 16:39:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 16:39:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:39:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:39:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-01 16:39:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-01 16:39:50,288 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:39:50,288 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 16:39:50,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:39:50 BoogieIcfgContainer [2018-12-01 16:39:50,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:39:50,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 16:39:50,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 16:39:50,291 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 16:39:50,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:39:49" (1/3) ... [2018-12-01 16:39:50,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdbf0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:39:50, skipping insertion in model container [2018-12-01 16:39:50,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:39:49" (2/3) ... [2018-12-01 16:39:50,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdbf0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:39:50, skipping insertion in model container [2018-12-01 16:39:50,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:39:50" (3/3) ... [2018-12-01 16:39:50,294 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product54_false-unreach-call_false-termination.cil.c [2018-12-01 16:39:50,300 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 16:39:50,305 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 16:39:50,315 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 16:39:50,335 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 16:39:50,335 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 16:39:50,335 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 16:39:50,335 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 16:39:50,335 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 16:39:50,335 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 16:39:50,336 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 16:39:50,336 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 16:39:50,336 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 16:39:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2018-12-01 16:39:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 16:39:50,354 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:39:50,354 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] [2018-12-01 16:39:50,356 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:39:50,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:39:50,360 INFO L82 PathProgramCache]: Analyzing trace with hash 431940116, now seen corresponding path program 1 times [2018-12-01 16:39:50,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:39:50,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:39:50,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:50,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:39:50,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:39:50,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:39:50,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 16:39:50,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 16:39:50,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 16:39:50,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 16:39:50,513 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2018-12-01 16:39:50,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:39:50,538 INFO L93 Difference]: Finished difference Result 294 states and 365 transitions. [2018-12-01 16:39:50,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 16:39:50,539 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 16:39:50,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:39:50,546 INFO L225 Difference]: With dead ends: 294 [2018-12-01 16:39:50,546 INFO L226 Difference]: Without dead ends: 147 [2018-12-01 16:39:50,548 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 [2018-12-01 16:39:50,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-01 16:39:50,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-01 16:39:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-01 16:39:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 174 transitions. [2018-12-01 16:39:50,580 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 174 transitions. Word has length 46 [2018-12-01 16:39:50,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:39:50,580 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 174 transitions. [2018-12-01 16:39:50,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 16:39:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2018-12-01 16:39:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 16:39:50,582 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:39:50,582 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] [2018-12-01 16:39:50,582 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:39:50,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:39:50,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1024513216, now seen corresponding path program 1 times [2018-12-01 16:39:50,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:39:50,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:39:50,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:50,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:39:50,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:39:50,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:39:50,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 16:39:50,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 16:39:50,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 16:39:50,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 16:39:50,640 INFO L87 Difference]: Start difference. First operand 147 states and 174 transitions. Second operand 3 states. [2018-12-01 16:39:50,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:39:50,655 INFO L93 Difference]: Finished difference Result 239 states and 283 transitions. [2018-12-01 16:39:50,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 16:39:50,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 16:39:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:39:50,657 INFO L225 Difference]: With dead ends: 239 [2018-12-01 16:39:50,657 INFO L226 Difference]: Without dead ends: 138 [2018-12-01 16:39:50,658 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 [2018-12-01 16:39:50,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-01 16:39:50,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-01 16:39:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-01 16:39:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2018-12-01 16:39:50,667 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 47 [2018-12-01 16:39:50,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:39:50,667 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2018-12-01 16:39:50,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 16:39:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2018-12-01 16:39:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 16:39:50,668 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:39:50,668 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 16:39:50,668 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:39:50,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:39:50,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1940246490, now seen corresponding path program 1 times [2018-12-01 16:39:50,669 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:39:50,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:39:50,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:50,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:39:50,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:39:50,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:39:50,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 16:39:50,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 16:39:50,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 16:39:50,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 16:39:50,730 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 3 states. [2018-12-01 16:39:50,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:39:50,744 INFO L93 Difference]: Finished difference Result 252 states and 301 transitions. [2018-12-01 16:39:50,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 16:39:50,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-01 16:39:50,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:39:50,745 INFO L225 Difference]: With dead ends: 252 [2018-12-01 16:39:50,746 INFO L226 Difference]: Without dead ends: 138 [2018-12-01 16:39:50,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 16:39:50,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-01 16:39:50,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-01 16:39:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-01 16:39:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-12-01 16:39:50,756 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 52 [2018-12-01 16:39:50,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:39:50,756 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-12-01 16:39:50,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 16:39:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-12-01 16:39:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 16:39:50,758 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:39:50,759 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 16:39:50,759 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:39:50,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:39:50,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1264706383, now seen corresponding path program 1 times [2018-12-01 16:39:50,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:39:50,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:39:50,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:50,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:39:50,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:39:50,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:39:50,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 16:39:50,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 16:39:50,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 16:39:50,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 16:39:50,833 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 5 states. [2018-12-01 16:39:51,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:39:51,230 INFO L93 Difference]: Finished difference Result 359 states and 435 transitions. [2018-12-01 16:39:51,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 16:39:51,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-01 16:39:51,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:39:51,232 INFO L225 Difference]: With dead ends: 359 [2018-12-01 16:39:51,232 INFO L226 Difference]: Without dead ends: 245 [2018-12-01 16:39:51,233 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 16:39:51,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-12-01 16:39:51,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 226. [2018-12-01 16:39:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-12-01 16:39:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 256 transitions. [2018-12-01 16:39:51,250 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 256 transitions. Word has length 70 [2018-12-01 16:39:51,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:39:51,250 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 256 transitions. [2018-12-01 16:39:51,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 16:39:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 256 transitions. [2018-12-01 16:39:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 16:39:51,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:39:51,252 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 16:39:51,252 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:39:51,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:39:51,252 INFO L82 PathProgramCache]: Analyzing trace with hash 265955111, now seen corresponding path program 1 times [2018-12-01 16:39:51,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:39:51,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:39:51,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:51,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:39:51,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:39:51,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:39:51,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 16:39:51,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 16:39:51,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 16:39:51,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 16:39:51,303 INFO L87 Difference]: Start difference. First operand 226 states and 256 transitions. Second operand 6 states. [2018-12-01 16:39:51,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:39:51,438 INFO L93 Difference]: Finished difference Result 615 states and 718 transitions. [2018-12-01 16:39:51,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 16:39:51,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-01 16:39:51,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:39:51,442 INFO L225 Difference]: With dead ends: 615 [2018-12-01 16:39:51,442 INFO L226 Difference]: Without dead ends: 413 [2018-12-01 16:39:51,443 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 [2018-12-01 16:39:51,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-12-01 16:39:51,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2018-12-01 16:39:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-01 16:39:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 462 transitions. [2018-12-01 16:39:51,478 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 462 transitions. Word has length 84 [2018-12-01 16:39:51,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:39:51,478 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 462 transitions. [2018-12-01 16:39:51,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 16:39:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 462 transitions. [2018-12-01 16:39:51,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 16:39:51,479 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:39:51,480 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 16:39:51,480 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:39:51,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:39:51,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1792693245, now seen corresponding path program 1 times [2018-12-01 16:39:51,480 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:39:51,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:39:51,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:51,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:39:51,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:51,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:39:51,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:39:51,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 16:39:51,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 16:39:51,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 16:39:51,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 16:39:51,573 INFO L87 Difference]: Start difference. First operand 407 states and 462 transitions. Second operand 7 states. [2018-12-01 16:39:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:39:51,914 INFO L93 Difference]: Finished difference Result 442 states and 516 transitions. [2018-12-01 16:39:51,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 16:39:51,914 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-01 16:39:51,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:39:51,916 INFO L225 Difference]: With dead ends: 442 [2018-12-01 16:39:51,916 INFO L226 Difference]: Without dead ends: 439 [2018-12-01 16:39:51,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-01 16:39:51,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-12-01 16:39:51,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 407. [2018-12-01 16:39:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-01 16:39:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 461 transitions. [2018-12-01 16:39:51,942 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 461 transitions. Word has length 88 [2018-12-01 16:39:51,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:39:51,943 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 461 transitions. [2018-12-01 16:39:51,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 16:39:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 461 transitions. [2018-12-01 16:39:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 16:39:51,944 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:39:51,944 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 16:39:51,944 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:39:51,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:39:51,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1608108542, now seen corresponding path program 1 times [2018-12-01 16:39:51,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:39:51,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:39:51,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:51,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:39:51,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:39:52,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:39:52,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 16:39:52,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 16:39:52,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 16:39:52,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 16:39:52,001 INFO L87 Difference]: Start difference. First operand 407 states and 461 transitions. Second operand 6 states. [2018-12-01 16:39:52,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:39:52,023 INFO L93 Difference]: Finished difference Result 800 states and 920 transitions. [2018-12-01 16:39:52,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 16:39:52,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-01 16:39:52,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:39:52,025 INFO L225 Difference]: With dead ends: 800 [2018-12-01 16:39:52,025 INFO L226 Difference]: Without dead ends: 417 [2018-12-01 16:39:52,026 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 [2018-12-01 16:39:52,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-12-01 16:39:52,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2018-12-01 16:39:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-12-01 16:39:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 471 transitions. [2018-12-01 16:39:52,039 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 471 transitions. Word has length 89 [2018-12-01 16:39:52,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:39:52,039 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 471 transitions. [2018-12-01 16:39:52,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 16:39:52,039 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 471 transitions. [2018-12-01 16:39:52,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 16:39:52,040 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:39:52,040 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 16:39:52,040 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:39:52,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:39:52,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1333348928, now seen corresponding path program 1 times [2018-12-01 16:39:52,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:39:52,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:39:52,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:52,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:39:52,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:52,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:39:52,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:39:52,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 16:39:52,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 16:39:52,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 16:39:52,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 16:39:52,098 INFO L87 Difference]: Start difference. First operand 417 states and 471 transitions. Second operand 8 states. [2018-12-01 16:39:52,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:39:52,123 INFO L93 Difference]: Finished difference Result 824 states and 956 transitions. [2018-12-01 16:39:52,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 16:39:52,123 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-12-01 16:39:52,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:39:52,124 INFO L225 Difference]: With dead ends: 824 [2018-12-01 16:39:52,124 INFO L226 Difference]: Without dead ends: 431 [2018-12-01 16:39:52,125 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 [2018-12-01 16:39:52,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-01 16:39:52,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 425. [2018-12-01 16:39:52,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-12-01 16:39:52,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 479 transitions. [2018-12-01 16:39:52,137 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 479 transitions. Word has length 89 [2018-12-01 16:39:52,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:39:52,137 INFO L480 AbstractCegarLoop]: Abstraction has 425 states and 479 transitions. [2018-12-01 16:39:52,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 16:39:52,137 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 479 transitions. [2018-12-01 16:39:52,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 16:39:52,138 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:39:52,138 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 16:39:52,138 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:39:52,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:39:52,138 INFO L82 PathProgramCache]: Analyzing trace with hash 616951327, now seen corresponding path program 1 times [2018-12-01 16:39:52,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:39:52,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:39:52,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:52,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:39:52,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:39:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:39:52,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:39:52,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 16:39:52,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 16:39:52,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 16:39:52,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 16:39:52,184 INFO L87 Difference]: Start difference. First operand 425 states and 479 transitions. Second operand 4 states. [2018-12-01 16:39:52,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:39:52,316 INFO L93 Difference]: Finished difference Result 1297 states and 1538 transitions. [2018-12-01 16:39:52,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 16:39:52,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-01 16:39:52,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:39:52,320 INFO L225 Difference]: With dead ends: 1297 [2018-12-01 16:39:52,320 INFO L226 Difference]: Without dead ends: 896 [2018-12-01 16:39:52,322 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 [2018-12-01 16:39:52,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2018-12-01 16:39:52,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 567. [2018-12-01 16:39:52,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2018-12-01 16:39:52,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 634 transitions. [2018-12-01 16:39:52,356 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 634 transitions. Word has length 89 [2018-12-01 16:39:52,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:39:52,356 INFO L480 AbstractCegarLoop]: Abstraction has 567 states and 634 transitions. [2018-12-01 16:39:52,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 16:39:52,356 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 634 transitions. [2018-12-01 16:39:52,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 16:39:52,357 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:39:52,357 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 16:39:52,357 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:39:52,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:39:52,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1617903067, now seen corresponding path program 1 times [2018-12-01 16:39:52,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:39:52,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:39:52,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:52,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:39:52,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:39:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:39:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 16:39:52,428 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 16:39:52,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:39:52 BoogieIcfgContainer [2018-12-01 16:39:52,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 16:39:52,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:39:52,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:39:52,494 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:39:52,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:39:50" (3/4) ... [2018-12-01 16:39:52,496 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 16:39:52,561 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8bbe897a-5d6d-46df-8c71-808f8640dfdc/bin-2019/uautomizer/witness.graphml [2018-12-01 16:39:52,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:39:52,562 INFO L168 Benchmark]: Toolchain (without parser) took 2948.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.0 MB). Free memory was 951.7 MB in the beginning and 893.3 MB in the end (delta: 58.4 MB). Peak memory consumption was 285.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:39:52,563 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:39:52,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-01 16:39:52,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.52 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. [2018-12-01 16:39:52,563 INFO L168 Benchmark]: Boogie Preprocessor took 21.75 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:39:52,564 INFO L168 Benchmark]: RCFGBuilder took 310.87 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:39:52,564 INFO L168 Benchmark]: TraceAbstraction took 2204.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 96.5 MB). Free memory was 1.1 GB in the beginning and 922.7 MB in the end (delta: 138.4 MB). Peak memory consumption was 234.9 MB. Max. memory is 11.5 GB. [2018-12-01 16:39:52,564 INFO L168 Benchmark]: Witness Printer took 67.59 ms. Allocated memory is still 1.3 GB. Free memory was 922.7 MB in the beginning and 893.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:39:52,565 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.52 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 21.75 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 310.87 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2204.66 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 96.5 MB). Free memory was 1.1 GB in the beginning and 922.7 MB in the end (delta: 138.4 MB). Peak memory consumption was 234.9 MB. Max. memory is 11.5 GB. * Witness Printer took 67.59 ms. Allocated memory is still 1.3 GB. Free memory was 922.7 MB in the beginning and 893.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 216]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L691] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L889] int waterLevel = 1; [L890] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] 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] [L126] 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] [L127] 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] [L128] 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] [L487] int retValue_acc ; [L490] retValue_acc = 1 [L491] 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] [L128] 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] [L128] tmp = valid_product() [L130] 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] [L132] 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] [L133] 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] [L112] 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] [L146] int splverifierCounter ; [L147] int tmp ; [L148] int tmp___0 ; [L149] int tmp___1 ; [L150] int tmp___2 ; [L153] 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] [L155] 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] [L157] 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] [L163] tmp = __VERIFIER_nondet_int() [L165] 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] [L167] 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] [L907] COND TRUE waterLevel < 2 [L908] 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] [L167] 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] [L173] tmp___0 = __VERIFIER_nondet_int() [L175] 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=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L177] CALL changeMethaneLevel() 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] [L919] COND FALSE !(\read(methaneLevelCritical)) [L922] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L177] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___2)) [L191] tmp___1 = __VERIFIER_nondet_int() [L193] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2] [L200] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L237] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L244] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L246] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L318] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L321] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L336] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L292] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L295] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L310] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L266] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L269] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L271] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L421] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L969] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L972] COND FALSE !(waterLevel < 2) [L976] retValue_acc = 0 [L977] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L421] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L421] tmp = isHighWaterSensorDry() [L423] COND FALSE !(\read(tmp)) [L426] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L271] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp = isHighWaterLevel() [L273] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L275] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L346] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L275] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L310] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L336] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L246] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L252] 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=1, pumpRunning=1, systemActive=1, waterLevel=2] [L497] int tmp ; [L498] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L502] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L928] int retValue_acc ; [L931] retValue_acc = methaneLevelCritical [L932] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L502] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L502] tmp = isMethaneLevelCritical() [L504] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L506] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L370] int retValue_acc ; [L373] retValue_acc = pumpRunning [L374] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L506] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L506] tmp___0 = isPumpRunning() [L508] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L510] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L216] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 160 locations, 1 error locations. UNSAFE Result, 2.1s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1595 SDtfs, 865 SDslu, 2988 SDs, 0 SdLazy, 989 SolverSat, 247 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=567occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 392 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 645 ConstructedInterpolants, 0 QuantifiedInterpolants, 85655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...