./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product38_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_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/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 a0c13a298b8ef5fea6639223509104e0f4da0801 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:26:30,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:26:30,247 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:26:30,253 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:26:30,253 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:26:30,254 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:26:30,255 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:26:30,255 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:26:30,256 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:26:30,257 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:26:30,257 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:26:30,257 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:26:30,258 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:26:30,258 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:26:30,259 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:26:30,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:26:30,259 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:26:30,260 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:26:30,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:26:30,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:26:30,262 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:26:30,263 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:26:30,264 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:26:30,264 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:26:30,264 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:26:30,265 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:26:30,265 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:26:30,266 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:26:30,266 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:26:30,267 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:26:30,267 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:26:30,267 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:26:30,267 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:26:30,267 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:26:30,268 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:26:30,268 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:26:30,268 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 22:26:30,275 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:26:30,275 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:26:30,276 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:26:30,276 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:26:30,276 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:26:30,276 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:26:30,276 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 22:26:30,277 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:26:30,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:26:30,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:26:30,278 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:26:30,278 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:26:30,278 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:26:30,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:26:30,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:26:30,278 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:26:30,278 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:26:30,278 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 22:26:30,278 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:26:30,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:26:30,279 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_25e7dc20-08ab-429f-9b17-311049994646/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 -> a0c13a298b8ef5fea6639223509104e0f4da0801 [2018-12-01 22:26:30,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:26:30,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:26:30,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:26:30,305 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:26:30,306 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:26:30,306 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c [2018-12-01 22:26:30,342 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/data/7d0e0e332/d8c538fcfb21482e9a6919e89f0b8ac1/FLAGdf5b4bab3 [2018-12-01 22:26:30,832 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:26:30,832 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/sv-benchmarks/c/product-lines/minepump_spec1_product38_false-unreach-call_false-termination.cil.c [2018-12-01 22:26:30,838 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/data/7d0e0e332/d8c538fcfb21482e9a6919e89f0b8ac1/FLAGdf5b4bab3 [2018-12-01 22:26:30,846 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/data/7d0e0e332/d8c538fcfb21482e9a6919e89f0b8ac1 [2018-12-01 22:26:30,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:26:30,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:26:30,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:26:30,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:26:30,851 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:26:30,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:26:30" (1/1) ... [2018-12-01 22:26:30,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:30, skipping insertion in model container [2018-12-01 22:26:30,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:26:30" (1/1) ... [2018-12-01 22:26:30,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:26:30,878 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:26:31,025 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:26:31,033 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:26:31,121 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:26:31,137 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:26:31,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31 WrapperNode [2018-12-01 22:26:31,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:26:31,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:26:31,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:26:31,138 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:26:31,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (1/1) ... [2018-12-01 22:26:31,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (1/1) ... [2018-12-01 22:26:31,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:26:31,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:26:31,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:26:31,160 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:26:31,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (1/1) ... [2018-12-01 22:26:31,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (1/1) ... [2018-12-01 22:26:31,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (1/1) ... [2018-12-01 22:26:31,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (1/1) ... [2018-12-01 22:26:31,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (1/1) ... [2018-12-01 22:26:31,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (1/1) ... [2018-12-01 22:26:31,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (1/1) ... [2018-12-01 22:26:31,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:26:31,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:26:31,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:26:31,183 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:26:31,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/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 22:26:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 22:26:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 22:26:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:26:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:26:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:26:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 22:26:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 22:26:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 22:26:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 22:26:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 22:26:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 22:26:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 22:26:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 22:26:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 22:26:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 22:26:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 22:26:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 22:26:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 22:26:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 22:26:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 22:26:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 22:26:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 22:26:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 22:26:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 22:26:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 22:26:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 22:26:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 22:26:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 22:26:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 22:26:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 22:26:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 22:26:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 22:26:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 22:26:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 22:26:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 22:26:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 22:26:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 22:26:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 22:26:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 22:26:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 22:26:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 22:26:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 22:26:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 22:26:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 22:26:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 22:26:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 22:26:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:26:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:26:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 22:26:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 22:26:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 22:26:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 22:26:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:26:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:26:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-01 22:26:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-01 22:26:31,556 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:26:31,556 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 22:26:31,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:26:31 BoogieIcfgContainer [2018-12-01 22:26:31,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:26:31,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:26:31,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:26:31,559 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:26:31,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:26:30" (1/3) ... [2018-12-01 22:26:31,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f423e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:26:31, skipping insertion in model container [2018-12-01 22:26:31,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:31" (2/3) ... [2018-12-01 22:26:31,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f423e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:26:31, skipping insertion in model container [2018-12-01 22:26:31,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:26:31" (3/3) ... [2018-12-01 22:26:31,561 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product38_false-unreach-call_false-termination.cil.c [2018-12-01 22:26:31,567 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:26:31,572 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:26:31,582 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:26:31,601 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 22:26:31,601 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:26:31,601 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:26:31,602 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:26:31,602 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:26:31,602 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:26:31,602 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:26:31,602 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:26:31,602 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:26:31,614 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2018-12-01 22:26:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 22:26:31,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:26:31,620 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 22:26:31,622 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:26:31,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:31,625 INFO L82 PathProgramCache]: Analyzing trace with hash 434289513, now seen corresponding path program 1 times [2018-12-01 22:26:31,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:26:31,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:26:31,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:31,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:26:31,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:31,769 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 22:26:31,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:26:31,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 22:26:31,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 22:26:31,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 22:26:31,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:26:31,783 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2018-12-01 22:26:31,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:26:31,805 INFO L93 Difference]: Finished difference Result 254 states and 315 transitions. [2018-12-01 22:26:31,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 22:26:31,806 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 22:26:31,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:26:31,813 INFO L225 Difference]: With dead ends: 254 [2018-12-01 22:26:31,814 INFO L226 Difference]: Without dead ends: 127 [2018-12-01 22:26:31,816 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 22:26:31,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-01 22:26:31,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-01 22:26:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-01 22:26:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 149 transitions. [2018-12-01 22:26:31,847 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 149 transitions. Word has length 46 [2018-12-01 22:26:31,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:26:31,847 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 149 transitions. [2018-12-01 22:26:31,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 22:26:31,847 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2018-12-01 22:26:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 22:26:31,849 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:26:31,849 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 22:26:31,849 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:26:31,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:31,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1716828156, now seen corresponding path program 1 times [2018-12-01 22:26:31,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:26:31,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:26:31,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:31,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:26:31,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:31,901 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 22:26:31,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:26:31,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:26:31,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:26:31,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:26:31,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:26:31,902 INFO L87 Difference]: Start difference. First operand 127 states and 149 transitions. Second operand 3 states. [2018-12-01 22:26:31,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:26:31,914 INFO L93 Difference]: Finished difference Result 199 states and 233 transitions. [2018-12-01 22:26:31,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:26:31,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 22:26:31,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:26:31,916 INFO L225 Difference]: With dead ends: 199 [2018-12-01 22:26:31,916 INFO L226 Difference]: Without dead ends: 118 [2018-12-01 22:26:31,916 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 22:26:31,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-01 22:26:31,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-01 22:26:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-01 22:26:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2018-12-01 22:26:31,923 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 47 [2018-12-01 22:26:31,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:26:31,924 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2018-12-01 22:26:31,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:26:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2018-12-01 22:26:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 22:26:31,925 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:26:31,925 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 22:26:31,925 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:26:31,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:31,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1187640100, now seen corresponding path program 1 times [2018-12-01 22:26:31,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:26:31,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:26:31,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:31,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:26:31,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:32,004 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 22:26:32,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:26:32,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:26:32,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:26:32,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:26:32,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:26:32,005 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand 7 states. [2018-12-01 22:26:32,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:26:32,186 INFO L93 Difference]: Finished difference Result 212 states and 251 transitions. [2018-12-01 22:26:32,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:26:32,186 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-01 22:26:32,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:26:32,187 INFO L225 Difference]: With dead ends: 212 [2018-12-01 22:26:32,187 INFO L226 Difference]: Without dead ends: 118 [2018-12-01 22:26:32,188 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:26:32,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-01 22:26:32,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-01 22:26:32,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-01 22:26:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-12-01 22:26:32,195 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 52 [2018-12-01 22:26:32,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:26:32,195 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-12-01 22:26:32,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:26:32,195 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-12-01 22:26:32,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 22:26:32,196 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:26:32,196 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] [2018-12-01 22:26:32,196 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:26:32,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:32,197 INFO L82 PathProgramCache]: Analyzing trace with hash -495348963, now seen corresponding path program 1 times [2018-12-01 22:26:32,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:26:32,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:26:32,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:32,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:26:32,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:32,249 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 22:26:32,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:26:32,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:26:32,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:26:32,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:26:32,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:26:32,250 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 5 states. [2018-12-01 22:26:32,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:26:32,524 INFO L93 Difference]: Finished difference Result 311 states and 375 transitions. [2018-12-01 22:26:32,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:26:32,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-01 22:26:32,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:26:32,525 INFO L225 Difference]: With dead ends: 311 [2018-12-01 22:26:32,525 INFO L226 Difference]: Without dead ends: 217 [2018-12-01 22:26:32,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 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 22:26:32,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-12-01 22:26:32,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 198. [2018-12-01 22:26:32,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-12-01 22:26:32,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 225 transitions. [2018-12-01 22:26:32,540 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 225 transitions. Word has length 65 [2018-12-01 22:26:32,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:26:32,541 INFO L480 AbstractCegarLoop]: Abstraction has 198 states and 225 transitions. [2018-12-01 22:26:32,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:26:32,541 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 225 transitions. [2018-12-01 22:26:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 22:26:32,542 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:26:32,542 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] [2018-12-01 22:26:32,542 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:26:32,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:32,543 INFO L82 PathProgramCache]: Analyzing trace with hash -477447287, now seen corresponding path program 1 times [2018-12-01 22:26:32,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:26:32,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:26:32,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:32,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:26:32,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:32,600 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 22:26:32,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:26:32,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:26:32,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:26:32,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:26:32,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:26:32,601 INFO L87 Difference]: Start difference. First operand 198 states and 225 transitions. Second operand 6 states. [2018-12-01 22:26:32,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:26:32,702 INFO L93 Difference]: Finished difference Result 531 states and 625 transitions. [2018-12-01 22:26:32,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:26:32,703 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-12-01 22:26:32,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:26:32,705 INFO L225 Difference]: With dead ends: 531 [2018-12-01 22:26:32,705 INFO L226 Difference]: Without dead ends: 357 [2018-12-01 22:26:32,706 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 22:26:32,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-12-01 22:26:32,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 351. [2018-12-01 22:26:32,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-12-01 22:26:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 400 transitions. [2018-12-01 22:26:32,727 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 400 transitions. Word has length 79 [2018-12-01 22:26:32,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:26:32,727 INFO L480 AbstractCegarLoop]: Abstraction has 351 states and 400 transitions. [2018-12-01 22:26:32,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:26:32,728 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 400 transitions. [2018-12-01 22:26:32,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 22:26:32,729 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:26:32,729 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] [2018-12-01 22:26:32,729 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:26:32,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:32,729 INFO L82 PathProgramCache]: Analyzing trace with hash -707017779, now seen corresponding path program 1 times [2018-12-01 22:26:32,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:26:32,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:26:32,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:32,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:26:32,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:32,790 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 22:26:32,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:26:32,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:26:32,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:26:32,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:26:32,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:26:32,791 INFO L87 Difference]: Start difference. First operand 351 states and 400 transitions. Second operand 7 states. [2018-12-01 22:26:33,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:26:33,119 INFO L93 Difference]: Finished difference Result 386 states and 454 transitions. [2018-12-01 22:26:33,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 22:26:33,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-12-01 22:26:33,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:26:33,121 INFO L225 Difference]: With dead ends: 386 [2018-12-01 22:26:33,121 INFO L226 Difference]: Without dead ends: 383 [2018-12-01 22:26:33,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 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 22:26:33,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-12-01 22:26:33,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 351. [2018-12-01 22:26:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-12-01 22:26:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 399 transitions. [2018-12-01 22:26:33,144 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 399 transitions. Word has length 83 [2018-12-01 22:26:33,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:26:33,144 INFO L480 AbstractCegarLoop]: Abstraction has 351 states and 399 transitions. [2018-12-01 22:26:33,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:26:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 399 transitions. [2018-12-01 22:26:33,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 22:26:33,146 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:26:33,146 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 22:26:33,150 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:26:33,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:33,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1949069049, now seen corresponding path program 1 times [2018-12-01 22:26:33,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:26:33,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:26:33,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:33,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:26:33,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:33,199 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 22:26:33,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:26:33,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:26:33,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:26:33,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:26:33,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:26:33,200 INFO L87 Difference]: Start difference. First operand 351 states and 399 transitions. Second operand 6 states. [2018-12-01 22:26:33,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:26:33,232 INFO L93 Difference]: Finished difference Result 688 states and 794 transitions. [2018-12-01 22:26:33,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:26:33,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-01 22:26:33,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:26:33,234 INFO L225 Difference]: With dead ends: 688 [2018-12-01 22:26:33,234 INFO L226 Difference]: Without dead ends: 361 [2018-12-01 22:26:33,235 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 22:26:33,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-12-01 22:26:33,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-12-01 22:26:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-12-01 22:26:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 409 transitions. [2018-12-01 22:26:33,245 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 409 transitions. Word has length 84 [2018-12-01 22:26:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:26:33,246 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 409 transitions. [2018-12-01 22:26:33,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:26:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 409 transitions. [2018-12-01 22:26:33,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 22:26:33,246 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:26:33,246 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 22:26:33,247 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:26:33,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:33,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1926436795, now seen corresponding path program 1 times [2018-12-01 22:26:33,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:26:33,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:26:33,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:33,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:26:33,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:33,302 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 22:26:33,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:26:33,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 22:26:33,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 22:26:33,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 22:26:33,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:26:33,303 INFO L87 Difference]: Start difference. First operand 361 states and 409 transitions. Second operand 8 states. [2018-12-01 22:26:33,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:26:33,333 INFO L93 Difference]: Finished difference Result 712 states and 828 transitions. [2018-12-01 22:26:33,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:26:33,333 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-01 22:26:33,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:26:33,335 INFO L225 Difference]: With dead ends: 712 [2018-12-01 22:26:33,335 INFO L226 Difference]: Without dead ends: 375 [2018-12-01 22:26:33,336 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 22:26:33,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-12-01 22:26:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 369. [2018-12-01 22:26:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-12-01 22:26:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 417 transitions. [2018-12-01 22:26:33,353 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 417 transitions. Word has length 84 [2018-12-01 22:26:33,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:26:33,353 INFO L480 AbstractCegarLoop]: Abstraction has 369 states and 417 transitions. [2018-12-01 22:26:33,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 22:26:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 417 transitions. [2018-12-01 22:26:33,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 22:26:33,354 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:26:33,354 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:26:33,355 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:26:33,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:33,355 INFO L82 PathProgramCache]: Analyzing trace with hash -900944796, now seen corresponding path program 1 times [2018-12-01 22:26:33,355 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:26:33,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:26:33,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:33,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:26:33,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:26:33,407 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 22:26:33,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:26:33,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 22:26:33,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 22:26:33,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 22:26:33,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:26:33,408 INFO L87 Difference]: Start difference. First operand 369 states and 417 transitions. Second operand 4 states. [2018-12-01 22:26:33,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:26:33,531 INFO L93 Difference]: Finished difference Result 1123 states and 1338 transitions. [2018-12-01 22:26:33,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 22:26:33,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-12-01 22:26:33,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:26:33,533 INFO L225 Difference]: With dead ends: 1123 [2018-12-01 22:26:33,533 INFO L226 Difference]: Without dead ends: 778 [2018-12-01 22:26:33,534 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 22:26:33,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2018-12-01 22:26:33,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 501. [2018-12-01 22:26:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2018-12-01 22:26:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 562 transitions. [2018-12-01 22:26:33,556 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 562 transitions. Word has length 84 [2018-12-01 22:26:33,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:26:33,556 INFO L480 AbstractCegarLoop]: Abstraction has 501 states and 562 transitions. [2018-12-01 22:26:33,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 22:26:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 562 transitions. [2018-12-01 22:26:33,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 22:26:33,557 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:26:33,557 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 22:26:33,557 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:26:33,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:26:33,558 INFO L82 PathProgramCache]: Analyzing trace with hash -71269890, now seen corresponding path program 1 times [2018-12-01 22:26:33,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:26:33,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:26:33,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:33,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:26:33,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:26:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:26:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:26:33,632 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 22:26:33,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:26:33 BoogieIcfgContainer [2018-12-01 22:26:33,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:26:33,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:26:33,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:26:33,706 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:26:33,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:26:31" (3/4) ... [2018-12-01 22:26:33,709 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 22:26:33,777 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_25e7dc20-08ab-429f-9b17-311049994646/bin-2019/uautomizer/witness.graphml [2018-12-01 22:26:33,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:26:33,778 INFO L168 Benchmark]: Toolchain (without parser) took 2929.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 956.0 MB in the beginning and 913.3 MB in the end (delta: 42.7 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:26:33,778 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:26:33,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -104.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-01 22:26:33,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:26:33,779 INFO L168 Benchmark]: Boogie Preprocessor took 23.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:26:33,779 INFO L168 Benchmark]: RCFGBuilder took 373.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-12-01 22:26:33,779 INFO L168 Benchmark]: TraceAbstraction took 2148.95 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 1.0 GB in the beginning and 942.2 MB in the end (delta: 65.9 MB). Peak memory consumption was 190.1 MB. Max. memory is 11.5 GB. [2018-12-01 22:26:33,779 INFO L168 Benchmark]: Witness Printer took 71.06 ms. Allocated memory is still 1.2 GB. Free memory was 942.2 MB in the beginning and 913.3 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:26:33,780 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -104.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 373.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2148.95 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 1.0 GB in the beginning and 942.2 MB in the end (delta: 65.9 MB). Peak memory consumption was 190.1 MB. Max. memory is 11.5 GB. * Witness Printer took 71.06 ms. Allocated memory is still 1.2 GB. Free memory was 942.2 MB in the beginning and 913.3 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 837]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L580] int pumpRunning = 0; [L581] int systemActive = 1; [L843] int waterLevel = 1; [L844] 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] [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] 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] [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] 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] [L776] 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] [L778] 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] [L784] tmp = __VERIFIER_nondet_int() [L786] 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] [L788] 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] [L861] COND TRUE waterLevel < 2 [L862] 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] [L788] 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] [L794] tmp___0 = __VERIFIER_nondet_int() [L796] 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] [L798] 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] [L873] COND FALSE !(\read(methaneLevelCritical)) [L876] 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] [L798] 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] [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND FALSE !(\read(tmp___2)) [L812] tmp___1 = __VERIFIER_nondet_int() [L814] 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] [L821] 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] [L587] 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] [L594] 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] [L596] 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] [L642] 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] [L645] 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] [L660] 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] [L616] 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] [L619] 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] [L621] 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] [L739] int retValue_acc ; [L740] int tmp ; [L741] 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] [L745] 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] [L923] 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] [L926] COND FALSE !(waterLevel < 2) [L930] retValue_acc = 0 [L931] 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] [L745] 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] [L745] tmp = isHighWaterSensorDry() [L747] COND FALSE !(\read(tmp)) [L750] 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] [L752] retValue_acc = tmp___0 [L753] 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] [L621] 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] [L621] tmp = isHighWaterLevel() [L623] 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] [L625] 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] [L670] 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] [L625] 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] [L660] 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] [L596] 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] [L602] 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] [L183] int tmp ; [L184] 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] [L188] 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] [L882] int retValue_acc ; [L885] retValue_acc = methaneLevelCritical [L886] 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] [L188] 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] [L188] tmp = isMethaneLevelCritical() [L190] 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] [L192] 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] [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] 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] [L192] 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] [L192] tmp___0 = isPumpRunning() [L194] 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] [L196] 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] [L837] __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 27 procedures, 140 locations, 1 error locations. UNSAFE Result, 2.1s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1327 SDtfs, 822 SDslu, 2775 SDs, 0 SdLazy, 974 SolverSat, 271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=501occurred 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, 340 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 712 NumberOfCodeBlocks, 712 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 76469 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...