./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/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 b6539c3f80a02f7679497281344dc3da1a82da6c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:58:37,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:58:37,277 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:58:37,283 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:58:37,284 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:58:37,284 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:58:37,285 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:58:37,287 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:58:37,288 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:58:37,288 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:58:37,289 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:58:37,289 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:58:37,290 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:58:37,290 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:58:37,291 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:58:37,291 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:58:37,292 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:58:37,293 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:58:37,294 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:58:37,295 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:58:37,295 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:58:37,296 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:58:37,298 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:58:37,298 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:58:37,298 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:58:37,299 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:58:37,299 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:58:37,300 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:58:37,300 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:58:37,301 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:58:37,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:58:37,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:58:37,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:58:37,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:58:37,302 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:58:37,303 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:58:37,303 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:58:37,310 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:58:37,310 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:58:37,311 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:58:37,311 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:58:37,311 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:58:37,311 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:58:37,311 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:58:37,311 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:58:37,312 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:58:37,312 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:58:37,312 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:58:37,312 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:58:37,312 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:58:37,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:58:37,312 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:58:37,312 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:58:37,313 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:58:37,313 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:58:37,313 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:58:37,313 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:58:37,313 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:58:37,313 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:58:37,313 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:58:37,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:58:37,314 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:58:37,314 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:58:37,314 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:58:37,314 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:58:37,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:58:37,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:58:37,314 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_d30d0c04-47df-4d86-9551-231c4903590a/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 -> b6539c3f80a02f7679497281344dc3da1a82da6c [2018-11-23 12:58:37,339 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:58:37,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:58:37,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:58:37,351 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:58:37,352 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:58:37,352 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-23 12:58:37,397 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/data/60896e265/50a67a54b4e64c99a5718826d837db16/FLAG42c24dd92 [2018-11-23 12:58:37,832 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:58:37,833 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-23 12:58:37,842 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/data/60896e265/50a67a54b4e64c99a5718826d837db16/FLAG42c24dd92 [2018-11-23 12:58:37,854 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/data/60896e265/50a67a54b4e64c99a5718826d837db16 [2018-11-23 12:58:37,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:58:37,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:58:37,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:58:37,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:58:37,862 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:58:37,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:37" (1/1) ... [2018-11-23 12:58:37,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2824ecd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:37, skipping insertion in model container [2018-11-23 12:58:37,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:37" (1/1) ... [2018-11-23 12:58:37,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:58:37,906 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:58:38,101 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:58:38,153 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:58:38,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:58:38,221 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:58:38,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38 WrapperNode [2018-11-23 12:58:38,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:58:38,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:58:38,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:58:38,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:58:38,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (1/1) ... [2018-11-23 12:58:38,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (1/1) ... [2018-11-23 12:58:38,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:58:38,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:58:38,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:58:38,245 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:58:38,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (1/1) ... [2018-11-23 12:58:38,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (1/1) ... [2018-11-23 12:58:38,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (1/1) ... [2018-11-23 12:58:38,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (1/1) ... [2018-11-23 12:58:38,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (1/1) ... [2018-11-23 12:58:38,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (1/1) ... [2018-11-23 12:58:38,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (1/1) ... [2018-11-23 12:58:38,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:58:38,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:58:38,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:58:38,270 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:58:38,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:58:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 12:58:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 12:58:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:58:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:58:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 12:58:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 12:58:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:58:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 12:58:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 12:58:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 12:58:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 12:58:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 12:58:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 12:58:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 12:58:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 12:58:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 12:58:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 12:58:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:58:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:58:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 12:58:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 12:58:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:58:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:58:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:58:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:58:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 12:58:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 12:58:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 12:58:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 12:58:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:58:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:58:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:58:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:58:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:58:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:58:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 12:58:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 12:58:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:58:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:58:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 12:58:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 12:58:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:58:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:58:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 12:58:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 12:58:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 12:58:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 12:58:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 12:58:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 12:58:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 12:58:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 12:58:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 12:58:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 12:58:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 12:58:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 12:58:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:58:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:58:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:58:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:58:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:58:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 12:58:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 12:58:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:58:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:58:38,670 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:58:38,671 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:58:38,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:38 BoogieIcfgContainer [2018-11-23 12:58:38,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:58:38,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:58:38,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:58:38,673 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:58:38,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:58:37" (1/3) ... [2018-11-23 12:58:38,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4320cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:58:38, skipping insertion in model container [2018-11-23 12:58:38,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:38" (2/3) ... [2018-11-23 12:58:38,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4320cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:58:38, skipping insertion in model container [2018-11-23 12:58:38,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:38" (3/3) ... [2018-11-23 12:58:38,676 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-23 12:58:38,681 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:58:38,686 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:58:38,695 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:58:38,717 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:58:38,718 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:58:38,718 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:58:38,718 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:58:38,718 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:58:38,718 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:58:38,718 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:58:38,718 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:58:38,718 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:58:38,733 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-11-23 12:58:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:58:38,739 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:38,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:38,742 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:38,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:38,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1067589969, now seen corresponding path program 1 times [2018-11-23 12:58:38,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:38,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:38,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:38,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:38,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:38,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:38,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:58:38,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:58:38,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:58:38,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:58:38,938 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-11-23 12:58:38,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:38,967 INFO L93 Difference]: Finished difference Result 294 states and 361 transitions. [2018-11-23 12:58:38,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:58:38,968 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 12:58:38,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:38,977 INFO L225 Difference]: With dead ends: 294 [2018-11-23 12:58:38,977 INFO L226 Difference]: Without dead ends: 149 [2018-11-23 12:58:38,980 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:58:38,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-23 12:58:39,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-23 12:58:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-23 12:58:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-11-23 12:58:39,020 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 51 [2018-11-23 12:58:39,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:39,021 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-11-23 12:58:39,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:58:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-11-23 12:58:39,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:58:39,023 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:39,024 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] [2018-11-23 12:58:39,024 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:39,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:39,024 INFO L82 PathProgramCache]: Analyzing trace with hash -2075089646, now seen corresponding path program 1 times [2018-11-23 12:58:39,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:39,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:39,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:39,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:39,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:39,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:39,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:39,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:58:39,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:58:39,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:58:39,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:58:39,101 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2018-11-23 12:58:39,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:39,122 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-11-23 12:58:39,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:58:39,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 12:58:39,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:39,124 INFO L225 Difference]: With dead ends: 239 [2018-11-23 12:58:39,124 INFO L226 Difference]: Without dead ends: 140 [2018-11-23 12:58:39,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:58:39,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-23 12:58:39,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-23 12:58:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-23 12:58:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2018-11-23 12:58:39,137 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 52 [2018-11-23 12:58:39,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:39,138 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2018-11-23 12:58:39,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:58:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2018-11-23 12:58:39,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 12:58:39,139 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:39,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:39,140 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:39,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:39,140 INFO L82 PathProgramCache]: Analyzing trace with hash -2100916131, now seen corresponding path program 1 times [2018-11-23 12:58:39,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:39,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:39,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:39,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:39,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:39,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:39,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:58:39,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:58:39,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:58:39,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:58:39,302 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2018-11-23 12:58:39,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:39,571 INFO L93 Difference]: Finished difference Result 252 states and 297 transitions. [2018-11-23 12:58:39,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:58:39,571 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 12:58:39,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:39,573 INFO L225 Difference]: With dead ends: 252 [2018-11-23 12:58:39,573 INFO L226 Difference]: Without dead ends: 140 [2018-11-23 12:58:39,574 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:58:39,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-23 12:58:39,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-23 12:58:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-23 12:58:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2018-11-23 12:58:39,585 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 57 [2018-11-23 12:58:39,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:39,586 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 161 transitions. [2018-11-23 12:58:39,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:58:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 161 transitions. [2018-11-23 12:58:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:58:39,588 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:39,588 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] [2018-11-23 12:58:39,588 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:39,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:39,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1172130122, now seen corresponding path program 1 times [2018-11-23 12:58:39,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:39,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:39,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:39,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:39,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:39,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:39,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:58:39,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:58:39,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:58:39,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:58:39,685 INFO L87 Difference]: Start difference. First operand 140 states and 161 transitions. Second operand 5 states. [2018-11-23 12:58:40,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:40,015 INFO L93 Difference]: Finished difference Result 355 states and 427 transitions. [2018-11-23 12:58:40,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:58:40,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 12:58:40,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:40,018 INFO L225 Difference]: With dead ends: 355 [2018-11-23 12:58:40,018 INFO L226 Difference]: Without dead ends: 243 [2018-11-23 12:58:40,019 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 [2018-11-23 12:58:40,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-23 12:58:40,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 224. [2018-11-23 12:58:40,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-23 12:58:40,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-11-23 12:58:40,041 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 70 [2018-11-23 12:58:40,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:40,041 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-11-23 12:58:40,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:58:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-11-23 12:58:40,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 12:58:40,043 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:40,043 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] [2018-11-23 12:58:40,044 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:40,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:40,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1861075874, now seen corresponding path program 1 times [2018-11-23 12:58:40,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:40,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:40,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:40,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:40,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:40,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:40,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:58:40,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:58:40,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:58:40,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:58:40,127 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 4 states. [2018-11-23 12:58:40,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:40,298 INFO L93 Difference]: Finished difference Result 751 states and 913 transitions. [2018-11-23 12:58:40,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:58:40,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-11-23 12:58:40,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:40,304 INFO L225 Difference]: With dead ends: 751 [2018-11-23 12:58:40,304 INFO L226 Difference]: Without dead ends: 555 [2018-11-23 12:58:40,305 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 [2018-11-23 12:58:40,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2018-11-23 12:58:40,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 543. [2018-11-23 12:58:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-11-23 12:58:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 647 transitions. [2018-11-23 12:58:40,340 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 647 transitions. Word has length 84 [2018-11-23 12:58:40,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:40,341 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 647 transitions. [2018-11-23 12:58:40,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:58:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 647 transitions. [2018-11-23 12:58:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 12:58:40,342 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:40,342 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] [2018-11-23 12:58:40,342 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:40,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:40,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1408399423, now seen corresponding path program 1 times [2018-11-23 12:58:40,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:40,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:40,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:40,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:40,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:40,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:40,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:58:40,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:58:40,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:58:40,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:58:40,411 INFO L87 Difference]: Start difference. First operand 543 states and 647 transitions. Second operand 6 states. [2018-11-23 12:58:40,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:40,527 INFO L93 Difference]: Finished difference Result 1530 states and 1877 transitions. [2018-11-23 12:58:40,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:58:40,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 12:58:40,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:40,532 INFO L225 Difference]: With dead ends: 1530 [2018-11-23 12:58:40,532 INFO L226 Difference]: Without dead ends: 1015 [2018-11-23 12:58:40,534 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 [2018-11-23 12:58:40,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2018-11-23 12:58:40,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 999. [2018-11-23 12:58:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2018-11-23 12:58:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1184 transitions. [2018-11-23 12:58:40,574 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1184 transitions. Word has length 84 [2018-11-23 12:58:40,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:40,575 INFO L480 AbstractCegarLoop]: Abstraction has 999 states and 1184 transitions. [2018-11-23 12:58:40,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:58:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1184 transitions. [2018-11-23 12:58:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 12:58:40,576 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:40,576 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] [2018-11-23 12:58:40,577 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:40,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:40,577 INFO L82 PathProgramCache]: Analyzing trace with hash 490036187, now seen corresponding path program 1 times [2018-11-23 12:58:40,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:40,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:40,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:40,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:40,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:40,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:40,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:58:40,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:58:40,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:58:40,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:58:40,647 INFO L87 Difference]: Start difference. First operand 999 states and 1184 transitions. Second operand 7 states. [2018-11-23 12:58:41,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:41,000 INFO L93 Difference]: Finished difference Result 2059 states and 2511 transitions. [2018-11-23 12:58:41,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 12:58:41,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-23 12:58:41,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:41,004 INFO L225 Difference]: With dead ends: 2059 [2018-11-23 12:58:41,004 INFO L226 Difference]: Without dead ends: 1088 [2018-11-23 12:58:41,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:58:41,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2018-11-23 12:58:41,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 996. [2018-11-23 12:58:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2018-11-23 12:58:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1175 transitions. [2018-11-23 12:58:41,043 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1175 transitions. Word has length 88 [2018-11-23 12:58:41,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:41,043 INFO L480 AbstractCegarLoop]: Abstraction has 996 states and 1175 transitions. [2018-11-23 12:58:41,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:58:41,043 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1175 transitions. [2018-11-23 12:58:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 12:58:41,045 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:41,045 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:41,045 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:41,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:41,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1705163544, now seen corresponding path program 1 times [2018-11-23 12:58:41,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:41,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:41,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:41,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:41,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:58:41,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:41,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:58:41,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:58:41,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:58:41,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:58:41,104 INFO L87 Difference]: Start difference. First operand 996 states and 1175 transitions. Second operand 6 states. [2018-11-23 12:58:41,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:41,153 INFO L93 Difference]: Finished difference Result 2006 states and 2438 transitions. [2018-11-23 12:58:41,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:58:41,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-23 12:58:41,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:41,156 INFO L225 Difference]: With dead ends: 2006 [2018-11-23 12:58:41,156 INFO L226 Difference]: Without dead ends: 1038 [2018-11-23 12:58:41,158 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 [2018-11-23 12:58:41,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2018-11-23 12:58:41,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1026. [2018-11-23 12:58:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2018-11-23 12:58:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1207 transitions. [2018-11-23 12:58:41,191 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1207 transitions. Word has length 104 [2018-11-23 12:58:41,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:41,191 INFO L480 AbstractCegarLoop]: Abstraction has 1026 states and 1207 transitions. [2018-11-23 12:58:41,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:58:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1207 transitions. [2018-11-23 12:58:41,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 12:58:41,193 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:41,194 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:41,194 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:41,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:41,194 INFO L82 PathProgramCache]: Analyzing trace with hash 223109158, now seen corresponding path program 1 times [2018-11-23 12:58:41,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:41,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:41,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:41,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:41,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:58:41,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:41,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 12:58:41,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:58:41,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:58:41,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:58:41,263 INFO L87 Difference]: Start difference. First operand 1026 states and 1207 transitions. Second operand 8 states. [2018-11-23 12:58:41,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:41,300 INFO L93 Difference]: Finished difference Result 1822 states and 2192 transitions. [2018-11-23 12:58:41,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:58:41,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-23 12:58:41,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:41,303 INFO L225 Difference]: With dead ends: 1822 [2018-11-23 12:58:41,303 INFO L226 Difference]: Without dead ends: 824 [2018-11-23 12:58:41,305 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 [2018-11-23 12:58:41,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-11-23 12:58:41,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2018-11-23 12:58:41,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2018-11-23 12:58:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 957 transitions. [2018-11-23 12:58:41,329 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 957 transitions. Word has length 104 [2018-11-23 12:58:41,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:41,330 INFO L480 AbstractCegarLoop]: Abstraction has 824 states and 957 transitions. [2018-11-23 12:58:41,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:58:41,330 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 957 transitions. [2018-11-23 12:58:41,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 12:58:41,331 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:41,332 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:41,332 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:41,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:41,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1162101567, now seen corresponding path program 1 times [2018-11-23 12:58:41,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:41,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:41,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:41,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:41,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:41,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:58:41,430 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:58:41,430 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:58:41,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:41,530 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:58:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:41,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:58:41,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 12:58:41,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 12:58:41,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 12:58:41,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:58:41,699 INFO L87 Difference]: Start difference. First operand 824 states and 957 transitions. Second operand 19 states. [2018-11-23 12:58:42,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:42,524 INFO L93 Difference]: Finished difference Result 1589 states and 1865 transitions. [2018-11-23 12:58:42,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 12:58:42,525 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-23 12:58:42,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:42,528 INFO L225 Difference]: With dead ends: 1589 [2018-11-23 12:58:42,528 INFO L226 Difference]: Without dead ends: 793 [2018-11-23 12:58:42,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 12:58:42,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-11-23 12:58:42,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2018-11-23 12:58:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-11-23 12:58:42,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 906 transitions. [2018-11-23 12:58:42,568 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 906 transitions. Word has length 108 [2018-11-23 12:58:42,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:42,568 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 906 transitions. [2018-11-23 12:58:42,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 12:58:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 906 transitions. [2018-11-23 12:58:42,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 12:58:42,571 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:42,571 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:42,571 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:42,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:42,572 INFO L82 PathProgramCache]: Analyzing trace with hash -525352255, now seen corresponding path program 1 times [2018-11-23 12:58:42,572 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:42,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:42,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:42,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:42,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:58:42,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:42,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:58:42,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:58:42,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:58:42,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:58:42,651 INFO L87 Difference]: Start difference. First operand 793 states and 906 transitions. Second operand 3 states. [2018-11-23 12:58:42,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:42,727 INFO L93 Difference]: Finished difference Result 1280 states and 1494 transitions. [2018-11-23 12:58:42,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:58:42,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-11-23 12:58:42,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:42,733 INFO L225 Difference]: With dead ends: 1280 [2018-11-23 12:58:42,733 INFO L226 Difference]: Without dead ends: 1277 [2018-11-23 12:58:42,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:58:42,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2018-11-23 12:58:42,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 939. [2018-11-23 12:58:42,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-11-23 12:58:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1093 transitions. [2018-11-23 12:58:42,787 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1093 transitions. Word has length 162 [2018-11-23 12:58:42,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:42,787 INFO L480 AbstractCegarLoop]: Abstraction has 939 states and 1093 transitions. [2018-11-23 12:58:42,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:58:42,787 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1093 transitions. [2018-11-23 12:58:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-23 12:58:42,791 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:42,791 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:42,791 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:42,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:42,791 INFO L82 PathProgramCache]: Analyzing trace with hash 330238164, now seen corresponding path program 1 times [2018-11-23 12:58:42,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:42,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:42,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:42,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:42,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 12:58:42,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:58:42,910 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:58:42,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:43,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:58:43,157 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:58:43,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:58:43,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2018-11-23 12:58:43,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:58:43,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:58:43,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:58:43,184 INFO L87 Difference]: Start difference. First operand 939 states and 1093 transitions. Second operand 8 states. [2018-11-23 12:58:43,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:43,790 INFO L93 Difference]: Finished difference Result 2106 states and 2611 transitions. [2018-11-23 12:58:43,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 12:58:43,791 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2018-11-23 12:58:43,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:43,797 INFO L225 Difference]: With dead ends: 2106 [2018-11-23 12:58:43,797 INFO L226 Difference]: Without dead ends: 1323 [2018-11-23 12:58:43,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:58:43,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2018-11-23 12:58:43,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1250. [2018-11-23 12:58:43,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2018-11-23 12:58:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1465 transitions. [2018-11-23 12:58:43,872 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1465 transitions. Word has length 223 [2018-11-23 12:58:43,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:43,873 INFO L480 AbstractCegarLoop]: Abstraction has 1250 states and 1465 transitions. [2018-11-23 12:58:43,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:58:43,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1465 transitions. [2018-11-23 12:58:43,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-23 12:58:43,877 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:43,877 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:43,877 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:43,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:43,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1991563754, now seen corresponding path program 1 times [2018-11-23 12:58:43,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:43,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:43,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:43,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:43,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 49 proven. 12 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 12:58:43,992 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:58:43,992 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:58:44,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:44,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:58:44,322 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 12:58:44,347 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:58:44,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2018-11-23 12:58:44,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 12:58:44,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 12:58:44,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-11-23 12:58:44,348 INFO L87 Difference]: Start difference. First operand 1250 states and 1465 transitions. Second operand 16 states. [2018-11-23 12:58:46,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:46,180 INFO L93 Difference]: Finished difference Result 3204 states and 4115 transitions. [2018-11-23 12:58:46,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-23 12:58:46,180 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 223 [2018-11-23 12:58:46,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:46,189 INFO L225 Difference]: With dead ends: 3204 [2018-11-23 12:58:46,189 INFO L226 Difference]: Without dead ends: 2238 [2018-11-23 12:58:46,192 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=226, Invalid=830, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 12:58:46,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2018-11-23 12:58:46,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 1890. [2018-11-23 12:58:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1890 states. [2018-11-23 12:58:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1890 states and 2222 transitions. [2018-11-23 12:58:46,314 INFO L78 Accepts]: Start accepts. Automaton has 1890 states and 2222 transitions. Word has length 223 [2018-11-23 12:58:46,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:46,315 INFO L480 AbstractCegarLoop]: Abstraction has 1890 states and 2222 transitions. [2018-11-23 12:58:46,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 12:58:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2222 transitions. [2018-11-23 12:58:46,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-23 12:58:46,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:46,321 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:46,321 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:46,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:46,321 INFO L82 PathProgramCache]: Analyzing trace with hash 684428628, now seen corresponding path program 1 times [2018-11-23 12:58:46,321 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:46,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:46,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:46,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:46,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 12:58:46,421 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:58:46,421 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:58:46,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:46,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:58:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 12:58:46,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:58:46,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 12:58:46,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 12:58:46,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 12:58:46,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:58:46,652 INFO L87 Difference]: Start difference. First operand 1890 states and 2222 transitions. Second operand 13 states. [2018-11-23 12:58:46,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:46,735 INFO L93 Difference]: Finished difference Result 2407 states and 2806 transitions. [2018-11-23 12:58:46,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 12:58:46,735 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 223 [2018-11-23 12:58:46,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:46,736 INFO L225 Difference]: With dead ends: 2407 [2018-11-23 12:58:46,736 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:58:46,740 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 12:58:46,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:58:46,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:58:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:58:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:58:46,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-11-23 12:58:46,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:46,741 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:58:46,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 12:58:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:58:46,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:58:46,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:58:46,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:46,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:58:47,695 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2018-11-23 12:58:48,187 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2018-11-23 12:58:48,299 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2018-11-23 12:58:48,557 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2018-11-23 12:58:50,221 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2018-11-23 12:58:50,449 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2018-11-23 12:58:50,449 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2018-11-23 12:58:50,449 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2018-11-23 12:58:50,449 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2018-11-23 12:58:50,449 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 883 891) no Hoare annotation was computed. [2018-11-23 12:58:50,449 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 966 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:58:50,449 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 966 988) no Hoare annotation was computed. [2018-11-23 12:58:50,449 INFO L444 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1))) [2018-11-23 12:58:50,450 INFO L444 ceAbstractionStarter]: At program point L978-1(line 978) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1))) [2018-11-23 12:58:50,450 INFO L448 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2018-11-23 12:58:50,450 INFO L448 ceAbstractionStarter]: For program point L976-1(lines 976 983) no Hoare annotation was computed. [2018-11-23 12:58:50,450 INFO L448 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2018-11-23 12:58:50,450 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:58:50,450 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 966 988) no Hoare annotation was computed. [2018-11-23 12:58:50,450 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:58:50,450 INFO L444 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:58:50,450 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2018-11-23 12:58:50,450 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2018-11-23 12:58:50,450 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2018-11-23 12:58:50,450 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-11-23 12:58:50,451 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-11-23 12:58:50,451 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-11-23 12:58:50,451 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2018-11-23 12:58:50,451 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-23 12:58:50,451 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2018-11-23 12:58:50,451 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2018-11-23 12:58:50,451 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2018-11-23 12:58:50,451 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2018-11-23 12:58:50,451 INFO L444 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:58:50,451 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 955 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:58:50,451 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 955 965) no Hoare annotation was computed. [2018-11-23 12:58:50,451 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 955 965) no Hoare annotation was computed. [2018-11-23 12:58:50,451 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2018-11-23 12:58:50,451 INFO L451 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-11-23 12:58:50,452 INFO L448 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2018-11-23 12:58:50,452 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2018-11-23 12:58:50,452 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2018-11-23 12:58:50,452 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-23 12:58:50,452 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2018-11-23 12:58:50,452 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2018-11-23 12:58:50,452 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (or .cse3 .cse2 .cse4) (or (or .cse2 .cse4) .cse0) (or .cse1 .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:58:50,452 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2018-11-23 12:58:50,452 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse1 (and (= 0 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse2 .cse4) (or .cse1 (or .cse2 .cse4)) (or .cse0 .cse3 .cse2))) [2018-11-23 12:58:50,452 INFO L444 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= processEnvironment_~tmp~5 1) .cse6)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (and (= 0 ~waterLevel~0) .cse6)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse2 .cse3) (or .cse5 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2018-11-23 12:58:50,452 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2018-11-23 12:58:50,453 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-11-23 12:58:50,453 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (or .cse0 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 .cse0 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:58:50,453 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse4 .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:58:50,453 INFO L448 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-11-23 12:58:50,453 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-11-23 12:58:50,453 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-23 12:58:50,453 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-23 12:58:50,453 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-23 12:58:50,453 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-23 12:58:50,453 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-11-23 12:58:50,453 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-11-23 12:58:50,453 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 520 585) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:58:50,453 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2018-11-23 12:58:50,454 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 520 585) no Hoare annotation was computed. [2018-11-23 12:58:50,454 INFO L444 ceAbstractionStarter]: At program point L568-2(lines 560 573) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse5 .cse0 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse1 .cse2 .cse4 .cse3) (and .cse5 .cse6 .cse2 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:58:50,454 INFO L448 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2018-11-23 12:58:50,454 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse5 .cse0 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse1 .cse2 .cse4 .cse3) (and .cse5 .cse6 .cse2 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:58:50,454 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2018-11-23 12:58:50,454 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:58:50,454 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2018-11-23 12:58:50,454 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2018-11-23 12:58:50,454 INFO L444 ceAbstractionStarter]: At program point L575(lines 530 577) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 12:58:50,454 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2018-11-23 12:58:50,455 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2018-11-23 12:58:50,455 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2018-11-23 12:58:50,455 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-11-23 12:58:50,455 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 520 585) no Hoare annotation was computed. [2018-11-23 12:58:50,455 INFO L444 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 12:58:50,455 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 12:58:50,455 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-23 12:58:50,455 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-23 12:58:50,455 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-23 12:58:50,455 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-23 12:58:50,455 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-23 12:58:50,455 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-23 12:58:50,455 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 825 853) no Hoare annotation was computed. [2018-11-23 12:58:50,456 INFO L444 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse5 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse5 (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0) .cse2 .cse4))) [2018-11-23 12:58:50,456 INFO L448 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-11-23 12:58:50,456 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 825 853) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse5 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse5 (not (= ~waterLevel~0 0)) (= ~pumpRunning~0 0) .cse2 .cse4))) [2018-11-23 12:58:50,456 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~waterLevel~0 0))) (.cse1 (or .cse4 .cse5))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse3 .cse4 .cse5) (or .cse2 .cse0 .cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (< ~waterLevel~0 2) .cse1)))) [2018-11-23 12:58:50,456 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-11-23 12:58:50,456 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2018-11-23 12:58:50,456 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 825 853) no Hoare annotation was computed. [2018-11-23 12:58:50,456 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~waterLevel~0 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (or .cse3 .cse4))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 (not (= ~waterLevel~0 1)) .cse6 .cse7) (or .cse5 .cse7 .cse0 (= ~pumpRunning~0 0) .cse3 .cse6) (or (< ~waterLevel~0 2) .cse1)))) [2018-11-23 12:58:50,456 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-23 12:58:50,456 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 817 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 ~methAndRunningLastTime~0) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 12:58:50,456 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 817 824) no Hoare annotation was computed. [2018-11-23 12:58:50,459 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 817 824) no Hoare annotation was computed. [2018-11-23 12:58:50,459 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:58:50,459 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 12:58:50,459 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:58:50,459 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2018-11-23 12:58:50,459 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2) (or (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2))) [2018-11-23 12:58:50,459 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2018-11-23 12:58:50,459 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< ~waterLevel~0 2)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse2))) [2018-11-23 12:58:50,459 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-11-23 12:58:50,459 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< ~waterLevel~0 2)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse2))) [2018-11-23 12:58:50,460 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-23 12:58:50,460 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2018-11-23 12:58:50,460 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-23 12:58:50,460 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-23 12:58:50,460 INFO L448 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-11-23 12:58:50,460 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-23 12:58:50,460 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2018-11-23 12:58:50,460 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2018-11-23 12:58:50,460 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-23 12:58:50,460 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~waterLevel~0 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse3 .cse1 .cse2) (or (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1)) .cse4 .cse0 .cse1))) [2018-11-23 12:58:50,460 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-23 12:58:50,460 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-11-23 12:58:50,460 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-11-23 12:58:50,461 INFO L451 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-11-23 12:58:50,461 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-11-23 12:58:50,461 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-11-23 12:58:50,461 INFO L451 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-11-23 12:58:50,461 INFO L448 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-11-23 12:58:50,461 INFO L451 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2018-11-23 12:58:50,461 INFO L451 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-11-23 12:58:50,461 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-23 12:58:50,461 INFO L444 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse5)) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (= 0 ~pumpRunning~0) .cse5) .cse1 .cse6 .cse3 .cse4 (and .cse7 .cse8 .cse5)) (or .cse2 .cse3 .cse4 .cse9 .cse0) (or .cse1 .cse2 .cse3 .cse10 .cse4 .cse8) (or .cse2 .cse3 .cse8 .cse10 .cse4 .cse9) (or .cse6 (and (not (= |old(~pumpRunning~0)| 0)) .cse7 .cse5) .cse0 (or .cse3 .cse9))))) [2018-11-23 12:58:50,462 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse12 (= ~systemActive~0 1)) (.cse13 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (and .cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse5 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse13 .cse12)) (.cse3 (not .cse12)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse5 .cse0 .cse4 .cse6) (or .cse1 .cse2 .cse3 .cse7 .cse4 .cse8) (or .cse2 .cse3 .cse8 .cse7 .cse4 .cse6) (or .cse1 (and .cse9 .cse10) .cse11 .cse3 .cse4) (or (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10) .cse11 .cse5 (or .cse3 .cse6))))) [2018-11-23 12:58:50,462 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 (= 0 ~methAndRunningLastTime~0) .cse6) .cse7 .cse1 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or (and (not (= |old(~pumpRunning~0)| 0)) .cse5 .cse6) .cse7 (or .cse1 .cse3)))) [2018-11-23 12:58:50,462 INFO L448 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2018-11-23 12:58:50,462 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (and .cse6 (= 0 ~methAndRunningLastTime~0) .cse7)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse0 .cse5 .cse3 .cse4) (or .cse2 (and .cse6 .cse7) (or .cse3 .cse8)) (or .cse5 .cse3 .cse1 .cse4 .cse8)))) [2018-11-23 12:58:50,462 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2018-11-23 12:58:50,462 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2018-11-23 12:58:50,462 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-23 12:58:50,462 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-23 12:58:50,462 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-23 12:58:50,463 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:58:50,463 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-23 12:58:50,463 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-23 12:58:50,463 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-23 12:58:50,463 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-11-23 12:58:50,463 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:58:50,463 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 12:58:50,463 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:58:50,463 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:58:50,464 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse6 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse4 .cse1 .cse2) .cse0) (or .cse5 (or .cse6 .cse2 .cse3)))) [2018-11-23 12:58:50,464 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse1 .cse0 .cse5 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse0 (or .cse3 .cse4)))) [2018-11-23 12:58:50,464 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse4 (or .cse5 .cse3 .cse1)) (or .cse5 .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 12:58:50,464 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2018-11-23 12:58:50,464 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-11-23 12:58:50,464 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse1 .cse5 .cse6 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 (or .cse6 .cse3 .cse4)))) [2018-11-23 12:58:50,464 INFO L448 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-11-23 12:58:50,464 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-11-23 12:58:50,465 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse5 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse4 (or .cse1 .cse2)))) [2018-11-23 12:58:50,465 INFO L448 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-11-23 12:58:50,465 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-23 12:58:50,465 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 806 813) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 1)) (.cse0 (< ~waterLevel~0 2)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse2 .cse1 .cse5 .cse3) (or .cse1 .cse6 .cse4 .cse2 .cse5) (or .cse6 .cse1 .cse0 .cse2 .cse5))) [2018-11-23 12:58:50,465 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-23 12:58:50,465 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-23 12:58:50,465 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-23 12:58:50,465 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (< |old(~waterLevel~0)| 2) .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)))) [2018-11-23 12:58:50,465 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 990 997) no Hoare annotation was computed. [2018-11-23 12:58:50,466 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-11-23 12:58:50,466 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 990 997) the Hoare annotation is: true [2018-11-23 12:58:50,466 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 990 997) no Hoare annotation was computed. [2018-11-23 12:58:50,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:58:50 BoogieIcfgContainer [2018-11-23 12:58:50,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:58:50,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:58:50,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:58:50,481 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:58:50,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:38" (3/4) ... [2018-11-23 12:58:50,485 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:58:50,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 12:58:50,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 12:58:50,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:58:50,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:58:50,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 12:58:50,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 12:58:50,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:58:50,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 12:58:50,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:58:50,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 12:58:50,502 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 12:58:50,502 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 12:58:50,502 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:58:50,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:58:50,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:58:50,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:58:50,504 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:58:50,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:58:50,527 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 12:58:50,562 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d30d0c04-47df-4d86-9551-231c4903590a/bin-2019/uautomizer/witness.graphml [2018-11-23 12:58:50,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:58:50,563 INFO L168 Benchmark]: Toolchain (without parser) took 12705.33 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 442.0 MB). Free memory was 955.5 MB in the beginning and 867.4 MB in the end (delta: 88.1 MB). Peak memory consumption was 530.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:58:50,563 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:58:50,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:58:50,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:58:50,564 INFO L168 Benchmark]: Boogie Preprocessor took 24.35 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:58:50,564 INFO L168 Benchmark]: RCFGBuilder took 401.29 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:58:50,564 INFO L168 Benchmark]: TraceAbstraction took 11809.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 316.7 MB). Free memory was 1.1 GB in the beginning and 879.5 MB in the end (delta: 173.5 MB). Peak memory consumption was 490.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:58:50,564 INFO L168 Benchmark]: Witness Printer took 80.94 ms. Allocated memory is still 1.5 GB. Free memory was 879.5 MB in the beginning and 867.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:58:50,566 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.13 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 24.35 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 401.29 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11809.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 316.7 MB). Free memory was 1.1 GB in the beginning and 879.5 MB in the end (delta: 173.5 MB). Peak memory consumption was 490.2 MB. Max. memory is 11.5 GB. * Witness Printer took 80.94 ms. Allocated memory is still 1.5 GB. Free memory was 879.5 MB in the beginning and 867.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 162 locations, 1 error locations. SAFE Result, 11.7s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2774 SDtfs, 2516 SDslu, 8415 SDs, 0 SdLazy, 5703 SolverSat, 1119 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 954 GetRequests, 822 SyntacticMatches, 4 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1890occurred in iteration=13, 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: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 910 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 3559 PreInvPairs, 3668 NumberOfFragments, 2739 HoareAnnotationTreeSize, 3559 FomulaSimplifications, 15309 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 13819 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2410 NumberOfCodeBlocks, 2410 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2392 ConstructedInterpolants, 0 QuantifiedInterpolants, 626142 SizeOfPredicates, 10 NumberOfNonLiveVariables, 4017 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 741/815 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...