./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/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 bf8906b0b730189db64c3dc46780e4460503fe36 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:50:47,197 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:50:47,198 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:50:47,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:50:47,209 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:50:47,210 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:50:47,211 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:50:47,212 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:50:47,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:50:47,214 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:50:47,215 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:50:47,215 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:50:47,216 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:50:47,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:50:47,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:50:47,218 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:50:47,219 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:50:47,221 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:50:47,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:50:47,223 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:50:47,224 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:50:47,225 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:50:47,227 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:50:47,228 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:50:47,228 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:50:47,229 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:50:47,229 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:50:47,230 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:50:47,231 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:50:47,232 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:50:47,232 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:50:47,232 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:50:47,233 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:50:47,233 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:50:47,233 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:50:47,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:50:47,234 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 10:50:47,246 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:50:47,246 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:50:47,247 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:50:47,247 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:50:47,248 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:50:47,248 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:50:47,248 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:50:47,248 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:50:47,248 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:50:47,248 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:50:47,249 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:50:47,249 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:50:47,249 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:50:47,249 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:50:47,249 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:50:47,249 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:50:47,249 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:50:47,250 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:50:47,250 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:50:47,250 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:50:47,250 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:50:47,250 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:50:47,250 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:50:47,251 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:50:47,251 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:50:47,251 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:50:47,251 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:50:47,251 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:50:47,251 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:50:47,251 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 10:50:47,252 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_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/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 -> bf8906b0b730189db64c3dc46780e4460503fe36 [2018-11-28 10:50:47,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:50:47,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:50:47,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:50:47,293 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:50:47,294 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:50:47,294 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-28 10:50:47,346 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/data/b57025572/9a160ae866354835a75edb8b5895234f/FLAGf61e89732 [2018-11-28 10:50:47,747 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:50:47,748 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-28 10:50:47,759 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/data/b57025572/9a160ae866354835a75edb8b5895234f/FLAGf61e89732 [2018-11-28 10:50:47,774 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/data/b57025572/9a160ae866354835a75edb8b5895234f [2018-11-28 10:50:47,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:50:47,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:50:47,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:50:47,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:50:47,780 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:50:47,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:50:47" (1/1) ... [2018-11-28 10:50:47,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246385e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:47, skipping insertion in model container [2018-11-28 10:50:47,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:50:47" (1/1) ... [2018-11-28 10:50:47,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:50:47,820 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:50:48,048 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:50:48,112 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:50:48,172 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:50:48,194 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:50:48,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48 WrapperNode [2018-11-28 10:50:48,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:50:48,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:50:48,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:50:48,195 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:50:48,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (1/1) ... [2018-11-28 10:50:48,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (1/1) ... [2018-11-28 10:50:48,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:50:48,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:50:48,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:50:48,228 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:50:48,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (1/1) ... [2018-11-28 10:50:48,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (1/1) ... [2018-11-28 10:50:48,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (1/1) ... [2018-11-28 10:50:48,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (1/1) ... [2018-11-28 10:50:48,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (1/1) ... [2018-11-28 10:50:48,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (1/1) ... [2018-11-28 10:50:48,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (1/1) ... [2018-11-28 10:50:48,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:50:48,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:50:48,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:50:48,260 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:50:48,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/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 [2018-11-28 10:50:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 10:50:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 10:50:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:50:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:50:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 10:50:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 10:50:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:50:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 10:50:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 10:50:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 10:50:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 10:50:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 10:50:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 10:50:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 10:50:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 10:50:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 10:50:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 10:50:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 10:50:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 10:50:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 10:50:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 10:50:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 10:50:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 10:50:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 10:50:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 10:50:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 10:50:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 10:50:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 10:50:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 10:50:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 10:50:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 10:50:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 10:50:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 10:50:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 10:50:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 10:50:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 10:50:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 10:50:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 10:50:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 10:50:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 10:50:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 10:50:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 10:50:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 10:50:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 10:50:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 10:50:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 10:50:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 10:50:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 10:50:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 10:50:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 10:50:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 10:50:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:50:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:50:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:50:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 10:50:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 10:50:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 10:50:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 10:50:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 10:50:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 10:50:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:50:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:50:48,800 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:50:48,800 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 10:50:48,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:48 BoogieIcfgContainer [2018-11-28 10:50:48,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:50:48,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:50:48,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:50:48,803 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:50:48,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:50:47" (1/3) ... [2018-11-28 10:50:48,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a7174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:50:48, skipping insertion in model container [2018-11-28 10:50:48,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:48" (2/3) ... [2018-11-28 10:50:48,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a7174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:50:48, skipping insertion in model container [2018-11-28 10:50:48,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:48" (3/3) ... [2018-11-28 10:50:48,807 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-11-28 10:50:48,815 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:50:48,822 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:50:48,835 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:50:48,862 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:50:48,862 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:50:48,862 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:50:48,862 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:50:48,863 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:50:48,863 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:50:48,863 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:50:48,863 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:50:48,863 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:50:48,883 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-11-28 10:50:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 10:50:48,892 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:48,893 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] [2018-11-28 10:50:48,895 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:48,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:48,900 INFO L82 PathProgramCache]: Analyzing trace with hash -545221410, now seen corresponding path program 1 times [2018-11-28 10:50:48,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:48,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:48,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:48,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:48,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:50:49,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:50:49,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 10:50:49,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 10:50:49,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 10:50:49,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:50:49,139 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-11-28 10:50:49,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:49,175 INFO L93 Difference]: Finished difference Result 298 states and 371 transitions. [2018-11-28 10:50:49,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 10:50:49,176 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 10:50:49,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:49,186 INFO L225 Difference]: With dead ends: 298 [2018-11-28 10:50:49,186 INFO L226 Difference]: Without dead ends: 149 [2018-11-28 10:50:49,189 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 [2018-11-28 10:50:49,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-28 10:50:49,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-28 10:50:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-28 10:50:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 177 transitions. [2018-11-28 10:50:49,231 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 177 transitions. Word has length 52 [2018-11-28 10:50:49,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:49,232 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 177 transitions. [2018-11-28 10:50:49,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 10:50:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2018-11-28 10:50:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 10:50:49,235 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:49,235 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] [2018-11-28 10:50:49,235 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:49,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:49,235 INFO L82 PathProgramCache]: Analyzing trace with hash 777859075, now seen corresponding path program 1 times [2018-11-28 10:50:49,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:49,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:49,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:49,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:49,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:49,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:50:49,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:50:49,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:50:49,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 10:50:49,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:50:49,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:50:49,340 INFO L87 Difference]: Start difference. First operand 149 states and 177 transitions. Second operand 3 states. [2018-11-28 10:50:49,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:49,366 INFO L93 Difference]: Finished difference Result 247 states and 293 transitions. [2018-11-28 10:50:49,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:50:49,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 10:50:49,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:49,371 INFO L225 Difference]: With dead ends: 247 [2018-11-28 10:50:49,371 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 10:50:49,373 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 [2018-11-28 10:50:49,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 10:50:49,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 10:50:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 10:50:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-11-28 10:50:49,390 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2018-11-28 10:50:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:49,390 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-11-28 10:50:49,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 10:50:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-11-28 10:50:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 10:50:49,393 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:49,394 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] [2018-11-28 10:50:49,394 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:49,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:49,394 INFO L82 PathProgramCache]: Analyzing trace with hash -2066705485, now seen corresponding path program 1 times [2018-11-28 10:50:49,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:49,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:49,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:49,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:49,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:50:49,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:50:49,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:50:49,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:50:49,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:50:49,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:50:49,509 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 7 states. [2018-11-28 10:50:49,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:49,861 INFO L93 Difference]: Finished difference Result 256 states and 307 transitions. [2018-11-28 10:50:49,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 10:50:49,863 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 10:50:49,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:49,866 INFO L225 Difference]: With dead ends: 256 [2018-11-28 10:50:49,867 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 10:50:49,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:50:49,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 10:50:49,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 10:50:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 10:50:49,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-11-28 10:50:49,884 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 57 [2018-11-28 10:50:49,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:49,885 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-11-28 10:50:49,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:50:49,885 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-11-28 10:50:49,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-28 10:50:49,889 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:49,889 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] [2018-11-28 10:50:49,890 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:49,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:49,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1264660501, now seen corresponding path program 1 times [2018-11-28 10:50:49,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:49,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:49,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:49,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:49,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:50:50,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:50:50,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:50:50,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 10:50:50,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 10:50:50,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:50:50,024 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 5 states. [2018-11-28 10:50:50,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:50,482 INFO L93 Difference]: Finished difference Result 370 states and 449 transitions. [2018-11-28 10:50:50,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:50:50,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-28 10:50:50,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:50,485 INFO L225 Difference]: With dead ends: 370 [2018-11-28 10:50:50,486 INFO L226 Difference]: Without dead ends: 254 [2018-11-28 10:50:50,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 10:50:50,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-11-28 10:50:50,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 236. [2018-11-28 10:50:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-28 10:50:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 269 transitions. [2018-11-28 10:50:50,516 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 269 transitions. Word has length 75 [2018-11-28 10:50:50,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:50,516 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 269 transitions. [2018-11-28 10:50:50,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 10:50:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 269 transitions. [2018-11-28 10:50:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 10:50:50,518 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:50,518 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:50:50,519 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:50,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:50,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1026428278, now seen corresponding path program 1 times [2018-11-28 10:50:50,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:50,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:50,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:50,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:50,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:50:50,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:50:50,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:50:50,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:50:50,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:50:50,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:50:50,625 INFO L87 Difference]: Start difference. First operand 236 states and 269 transitions. Second operand 6 states. [2018-11-28 10:50:50,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:50,767 INFO L93 Difference]: Finished difference Result 567 states and 680 transitions. [2018-11-28 10:50:50,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:50:50,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-28 10:50:50,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:50,773 INFO L225 Difference]: With dead ends: 567 [2018-11-28 10:50:50,773 INFO L226 Difference]: Without dead ends: 355 [2018-11-28 10:50:50,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 10:50:50,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-11-28 10:50:50,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 351. [2018-11-28 10:50:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-11-28 10:50:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 406 transitions. [2018-11-28 10:50:50,809 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 406 transitions. Word has length 89 [2018-11-28 10:50:50,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:50,809 INFO L480 AbstractCegarLoop]: Abstraction has 351 states and 406 transitions. [2018-11-28 10:50:50,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:50:50,810 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 406 transitions. [2018-11-28 10:50:50,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 10:50:50,811 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:50,812 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:50:50,812 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:50,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:50,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1617221872, now seen corresponding path program 1 times [2018-11-28 10:50:50,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:50,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:50,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:50,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:50,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:50,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:50:50,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:50:50,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:50:50,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:50:50,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:50:50,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:50:50,967 INFO L87 Difference]: Start difference. First operand 351 states and 406 transitions. Second operand 6 states. [2018-11-28 10:50:51,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:51,140 INFO L93 Difference]: Finished difference Result 770 states and 927 transitions. [2018-11-28 10:50:51,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:50:51,141 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-28 10:50:51,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:51,143 INFO L225 Difference]: With dead ends: 770 [2018-11-28 10:50:51,144 INFO L226 Difference]: Without dead ends: 558 [2018-11-28 10:50:51,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 10:50:51,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2018-11-28 10:50:51,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 540. [2018-11-28 10:50:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-11-28 10:50:51,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 640 transitions. [2018-11-28 10:50:51,183 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 640 transitions. Word has length 93 [2018-11-28 10:50:51,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:51,183 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 640 transitions. [2018-11-28 10:50:51,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:50:51,183 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 640 transitions. [2018-11-28 10:50:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 10:50:51,185 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:51,185 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:50:51,186 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:51,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:51,186 INFO L82 PathProgramCache]: Analyzing trace with hash -318438415, now seen corresponding path program 1 times [2018-11-28 10:50:51,186 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:51,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:51,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:51,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:51,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:50:51,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:50:51,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:50:51,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 10:50:51,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 10:50:51,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:50:51,264 INFO L87 Difference]: Start difference. First operand 540 states and 640 transitions. Second operand 5 states. [2018-11-28 10:50:51,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:51,294 INFO L93 Difference]: Finished difference Result 951 states and 1153 transitions. [2018-11-28 10:50:51,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 10:50:51,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-11-28 10:50:51,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:51,297 INFO L225 Difference]: With dead ends: 951 [2018-11-28 10:50:51,297 INFO L226 Difference]: Without dead ends: 550 [2018-11-28 10:50:51,298 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:50:51,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2018-11-28 10:50:51,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 544. [2018-11-28 10:50:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2018-11-28 10:50:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 643 transitions. [2018-11-28 10:50:51,326 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 643 transitions. Word has length 93 [2018-11-28 10:50:51,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:51,326 INFO L480 AbstractCegarLoop]: Abstraction has 544 states and 643 transitions. [2018-11-28 10:50:51,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 10:50:51,327 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 643 transitions. [2018-11-28 10:50:51,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 10:50:51,328 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:51,329 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:50:51,329 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:51,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:51,329 INFO L82 PathProgramCache]: Analyzing trace with hash 341093107, now seen corresponding path program 1 times [2018-11-28 10:50:51,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:51,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:51,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:51,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:51,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:50:51,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:50:51,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 10:50:51,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 10:50:51,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 10:50:51,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 10:50:51,419 INFO L87 Difference]: Start difference. First operand 544 states and 643 transitions. Second operand 9 states. [2018-11-28 10:50:51,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:51,466 INFO L93 Difference]: Finished difference Result 1068 states and 1290 transitions. [2018-11-28 10:50:51,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 10:50:51,466 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-11-28 10:50:51,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:51,469 INFO L225 Difference]: With dead ends: 1068 [2018-11-28 10:50:51,469 INFO L226 Difference]: Without dead ends: 548 [2018-11-28 10:50:51,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:50:51,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-11-28 10:50:51,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 542. [2018-11-28 10:50:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2018-11-28 10:50:51,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 639 transitions. [2018-11-28 10:50:51,493 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 639 transitions. Word has length 93 [2018-11-28 10:50:51,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:51,493 INFO L480 AbstractCegarLoop]: Abstraction has 542 states and 639 transitions. [2018-11-28 10:50:51,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 10:50:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 639 transitions. [2018-11-28 10:50:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-28 10:50:51,495 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:51,495 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:50:51,496 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:51,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:51,496 INFO L82 PathProgramCache]: Analyzing trace with hash -8100710, now seen corresponding path program 1 times [2018-11-28 10:50:51,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:51,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:51,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:51,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:51,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:50:51,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:50:51,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 10:50:51,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 10:50:51,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 10:50:51,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:50:51,596 INFO L87 Difference]: Start difference. First operand 542 states and 639 transitions. Second operand 10 states. [2018-11-28 10:50:51,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:51,742 INFO L93 Difference]: Finished difference Result 1066 states and 1260 transitions. [2018-11-28 10:50:51,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 10:50:51,744 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2018-11-28 10:50:51,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:51,746 INFO L225 Difference]: With dead ends: 1066 [2018-11-28 10:50:51,746 INFO L226 Difference]: Without dead ends: 548 [2018-11-28 10:50:51,747 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 10:50:51,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-11-28 10:50:51,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 531. [2018-11-28 10:50:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-11-28 10:50:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 608 transitions. [2018-11-28 10:50:51,767 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 608 transitions. Word has length 94 [2018-11-28 10:50:51,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:51,767 INFO L480 AbstractCegarLoop]: Abstraction has 531 states and 608 transitions. [2018-11-28 10:50:51,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 10:50:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 608 transitions. [2018-11-28 10:50:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-28 10:50:51,770 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:51,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:50:51,770 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:51,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:51,770 INFO L82 PathProgramCache]: Analyzing trace with hash -757460237, now seen corresponding path program 1 times [2018-11-28 10:50:51,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:51,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:51,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:51,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:51,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 10:50:51,825 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:50:51,825 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/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 [2018-11-28 10:50:51,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:51,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:50:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 10:50:52,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 10:50:52,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-28 10:50:52,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 10:50:52,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 10:50:52,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-28 10:50:52,074 INFO L87 Difference]: Start difference. First operand 531 states and 608 transitions. Second operand 12 states. [2018-11-28 10:50:53,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:53,661 INFO L93 Difference]: Finished difference Result 1455 states and 1801 transitions. [2018-11-28 10:50:53,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 10:50:53,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 141 [2018-11-28 10:50:53,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:53,665 INFO L225 Difference]: With dead ends: 1455 [2018-11-28 10:50:53,665 INFO L226 Difference]: Without dead ends: 1021 [2018-11-28 10:50:53,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-11-28 10:50:53,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2018-11-28 10:50:53,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 937. [2018-11-28 10:50:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2018-11-28 10:50:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1096 transitions. [2018-11-28 10:50:53,707 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1096 transitions. Word has length 141 [2018-11-28 10:50:53,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:53,707 INFO L480 AbstractCegarLoop]: Abstraction has 937 states and 1096 transitions. [2018-11-28 10:50:53,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 10:50:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1096 transitions. [2018-11-28 10:50:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-28 10:50:53,709 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:53,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:50:53,709 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:53,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:53,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1609608079, now seen corresponding path program 1 times [2018-11-28 10:50:53,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:53,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:53,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:53,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:53,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:53,795 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 10:50:53,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:50:53,795 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/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 [2018-11-28 10:50:53,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:53,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:50:53,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 10:50:53,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 10:50:53,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 10:50:53,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 10:50:53,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 10:50:53,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 10:50:53,937 INFO L87 Difference]: Start difference. First operand 937 states and 1096 transitions. Second operand 11 states. [2018-11-28 10:50:53,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:53,984 INFO L93 Difference]: Finished difference Result 1666 states and 1975 transitions. [2018-11-28 10:50:53,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:50:53,985 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 137 [2018-11-28 10:50:53,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:53,987 INFO L225 Difference]: With dead ends: 1666 [2018-11-28 10:50:53,987 INFO L226 Difference]: Without dead ends: 819 [2018-11-28 10:50:53,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 10:50:53,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-28 10:50:54,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 819. [2018-11-28 10:50:54,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2018-11-28 10:50:54,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 953 transitions. [2018-11-28 10:50:54,016 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 953 transitions. Word has length 137 [2018-11-28 10:50:54,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:54,016 INFO L480 AbstractCegarLoop]: Abstraction has 819 states and 953 transitions. [2018-11-28 10:50:54,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 10:50:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 953 transitions. [2018-11-28 10:50:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-28 10:50:54,018 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:50:54,018 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:50:54,018 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:50:54,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:50:54,019 INFO L82 PathProgramCache]: Analyzing trace with hash 733655798, now seen corresponding path program 1 times [2018-11-28 10:50:54,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:50:54,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:50:54,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:54,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:54,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:50:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 10:50:54,089 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:50:54,089 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/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 [2018-11-28 10:50:54,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:50:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:50:54,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:50:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 10:50:54,370 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 10:50:54,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-28 10:50:54,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 10:50:54,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 10:50:54,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 10:50:54,371 INFO L87 Difference]: Start difference. First operand 819 states and 953 transitions. Second operand 15 states. [2018-11-28 10:50:56,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:50:56,273 INFO L93 Difference]: Finished difference Result 2849 states and 3934 transitions. [2018-11-28 10:50:56,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 10:50:56,274 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 141 [2018-11-28 10:50:56,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:50:56,275 INFO L225 Difference]: With dead ends: 2849 [2018-11-28 10:50:56,275 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 10:50:56,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 10:50:56,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 10:50:56,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 10:50:56,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 10:50:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 10:50:56,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2018-11-28 10:50:56,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:50:56,281 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:50:56,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 10:50:56,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:50:56,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 10:50:56,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 10:50:56,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:56,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:50:57,316 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-28 10:50:57,549 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2018-11-28 10:50:57,696 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-28 10:50:57,899 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-11-28 10:50:58,089 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-11-28 10:50:58,441 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-11-28 10:50:58,624 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-11-28 10:50:59,082 WARN L180 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-11-28 10:50:59,225 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-11-28 10:50:59,630 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2018-11-28 10:51:00,799 WARN L180 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-11-28 10:51:00,871 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-28 10:51:00,871 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-28 10:51:00,871 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-28 10:51:00,871 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-28 10:51:00,871 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-28 10:51:00,871 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:51:00,871 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2018-11-28 10:51:00,871 INFO L444 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:51:00,872 INFO L444 ceAbstractionStarter]: At program point L977-1(line 977) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:51:00,872 INFO L448 ceAbstractionStarter]: For program point L975(lines 975 982) no Hoare annotation was computed. [2018-11-28 10:51:00,872 INFO L448 ceAbstractionStarter]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2018-11-28 10:51:00,872 INFO L448 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2018-11-28 10:51:00,872 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 965 987) no Hoare annotation was computed. [2018-11-28 10:51:00,872 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:51:00,872 INFO L444 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:51:00,872 INFO L444 ceAbstractionStarter]: At program point L971-1(line 971) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:51:00,872 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2018-11-28 10:51:00,872 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2018-11-28 10:51:00,872 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 305 313) no Hoare annotation was computed. [2018-11-28 10:51:00,872 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 382) no Hoare annotation was computed. [2018-11-28 10:51:00,872 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2018-11-28 10:51:00,872 INFO L451 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2018-11-28 10:51:00,872 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 382) no Hoare annotation was computed. [2018-11-28 10:51:00,872 INFO L448 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 369 387) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-28 10:51:00,873 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2018-11-28 10:51:00,873 INFO L451 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 294 304) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 286 293) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point L473(lines 473 479) no Hoare annotation was computed. [2018-11-28 10:51:00,873 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2018-11-28 10:51:00,874 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2018-11-28 10:51:00,874 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 469 482) no Hoare annotation was computed. [2018-11-28 10:51:00,874 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 274) no Hoare annotation was computed. [2018-11-28 10:51:00,874 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2018-11-28 10:51:00,874 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,874 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 10:51:00,874 INFO L448 ceAbstractionStarter]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2018-11-28 10:51:00,874 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,875 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,875 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 269) no Hoare annotation was computed. [2018-11-28 10:51:00,875 INFO L444 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,875 INFO L448 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2018-11-28 10:51:00,875 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2018-11-28 10:51:00,875 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2018-11-28 10:51:00,875 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:51:00,875 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2018-11-28 10:51:00,875 INFO L444 ceAbstractionStarter]: At program point L147(lines 100 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:51:00,876 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 141) no Hoare annotation was computed. [2018-11-28 10:51:00,876 INFO L444 ceAbstractionStarter]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 10:51:00,876 INFO L448 ceAbstractionStarter]: For program point L102(lines 101 146) no Hoare annotation was computed. [2018-11-28 10:51:00,876 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 142) no Hoare annotation was computed. [2018-11-28 10:51:00,876 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 10:51:00,876 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 127) no Hoare annotation was computed. [2018-11-28 10:51:00,876 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2018-11-28 10:51:00,876 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 10:51:00,877 INFO L444 ceAbstractionStarter]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 10:51:00,877 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-11-28 10:51:00,877 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2018-11-28 10:51:00,877 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2018-11-28 10:51:00,877 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2018-11-28 10:51:00,877 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 483 491) no Hoare annotation was computed. [2018-11-28 10:51:00,877 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2018-11-28 10:51:00,877 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2018-11-28 10:51:00,877 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:51:00,877 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:51:00,878 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:51:00,878 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2018-11-28 10:51:00,878 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2018-11-28 10:51:00,878 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 10:51:00,878 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2018-11-28 10:51:00,878 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 460 468) no Hoare annotation was computed. [2018-11-28 10:51:00,878 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2018-11-28 10:51:00,878 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2018-11-28 10:51:00,878 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2018-11-28 10:51:00,878 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2018-11-28 10:51:00,878 INFO L451 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: true [2018-11-28 10:51:00,879 INFO L448 ceAbstractionStarter]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2018-11-28 10:51:00,879 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 350 368) no Hoare annotation was computed. [2018-11-28 10:51:00,879 INFO L448 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2018-11-28 10:51:00,879 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not .cse7)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse3 .cse4 .cse6 .cse7) (or .cse5 .cse3 .cse6 .cse7)))) [2018-11-28 10:51:00,879 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-11-28 10:51:00,879 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-11-28 10:51:00,879 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2018-11-28 10:51:00,879 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 428 436) no Hoare annotation was computed. [2018-11-28 10:51:00,879 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2018-11-28 10:51:00,880 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-11-28 10:51:00,880 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-11-28 10:51:00,880 INFO L451 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-11-28 10:51:00,880 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-11-28 10:51:00,880 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-11-28 10:51:00,880 INFO L451 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-11-28 10:51:00,880 INFO L448 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-11-28 10:51:00,880 INFO L451 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2018-11-28 10:51:00,880 INFO L451 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-11-28 10:51:00,880 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-28 10:51:00,881 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or .cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or (<= 1 ~waterLevel~0) .cse1 .cse4 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse6 .cse0 .cse2 .cse5) (or .cse1 .cse4 .cse6)))) [2018-11-28 10:51:00,881 INFO L444 ceAbstractionStarter]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-11-28 10:51:00,881 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse4 .cse1 .cse5)))) [2018-11-28 10:51:00,881 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-11-28 10:51:00,881 INFO L448 ceAbstractionStarter]: For program point L173(lines 172 191) no Hoare annotation was computed. [2018-11-28 10:51:00,881 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2018-11-28 10:51:00,881 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2018-11-28 10:51:00,882 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 518) no Hoare annotation was computed. [2018-11-28 10:51:00,882 INFO L444 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~6 ~methaneLevelCritical~0) .cse3 .cse2 .cse1))) [2018-11-28 10:51:00,882 INFO L448 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-11-28 10:51:00,882 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2018-11-28 10:51:00,882 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2018-11-28 10:51:00,882 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2018-11-28 10:51:00,882 INFO L444 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse2 (= __utac_acc__Specification3_spec__1_~tmp~6 ~methaneLevelCritical~0)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse2 .cse5 .cse6 .cse3))) [2018-11-28 10:51:00,882 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2018-11-28 10:51:00,882 INFO L448 ceAbstractionStarter]: For program point L506-1(line 506) no Hoare annotation was computed. [2018-11-28 10:51:00,883 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 522) no Hoare annotation was computed. [2018-11-28 10:51:00,883 INFO L451 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-11-28 10:51:00,883 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-28 10:51:00,883 INFO L444 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-28 10:51:00,883 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-11-28 10:51:00,883 INFO L448 ceAbstractionStarter]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2018-11-28 10:51:00,883 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2018-11-28 10:51:00,883 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-28 10:51:00,883 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-11-28 10:51:00,883 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:51:00,884 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) (< ~waterLevel~0 2)) [2018-11-28 10:51:00,884 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 10:51:00,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:51:00,884 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,884 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,884 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2018-11-28 10:51:00,884 INFO L448 ceAbstractionStarter]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2018-11-28 10:51:00,884 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse0))) [2018-11-28 10:51:00,885 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,885 INFO L448 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2018-11-28 10:51:00,885 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 10:51:00,885 INFO L448 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-11-28 10:51:00,885 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 222) no Hoare annotation was computed. [2018-11-28 10:51:00,885 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2018-11-28 10:51:00,885 INFO L448 ceAbstractionStarter]: For program point L408-1(lines 404 415) no Hoare annotation was computed. [2018-11-28 10:51:00,885 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-11-28 10:51:00,885 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 10:51:00,886 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 10:51:00,886 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 10:51:00,886 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 10:51:00,886 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2018-11-28 10:51:00,886 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,886 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 10:51:00,886 INFO L448 ceAbstractionStarter]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2018-11-28 10:51:00,886 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,887 INFO L444 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,887 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 243) no Hoare annotation was computed. [2018-11-28 10:51:00,887 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 10:51:00,887 INFO L448 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-11-28 10:51:00,887 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 248) no Hoare annotation was computed. [2018-11-28 10:51:00,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:51:00 BoogieIcfgContainer [2018-11-28 10:51:00,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:51:00,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:51:00,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:51:00,900 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:51:00,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:48" (3/4) ... [2018-11-28 10:51:00,904 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 10:51:00,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 10:51:00,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 10:51:00,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 10:51:00,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 10:51:00,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 10:51:00,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 10:51:00,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 10:51:00,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 10:51:00,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 10:51:00,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 10:51:00,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 10:51:00,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 10:51:00,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 10:51:00,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 10:51:00,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 10:51:00,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 10:51:00,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 10:51:00,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 10:51:00,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 10:51:00,922 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 10:51:00,923 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 10:51:00,923 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 10:51:00,924 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 10:51:00,924 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 10:51:00,925 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 10:51:00,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 10:51:00,952 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 10:51:00,991 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3cc2b1c6-ed33-457d-ae8d-54d5d19b469a/bin-2019/uautomizer/witness.graphml [2018-11-28 10:51:00,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:51:00,992 INFO L168 Benchmark]: Toolchain (without parser) took 13215.51 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 528.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 385.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:51:00,992 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:51:00,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-28 10:51:00,992 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.05 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. [2018-11-28 10:51:00,993 INFO L168 Benchmark]: Boogie Preprocessor took 32.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:51:00,993 INFO L168 Benchmark]: RCFGBuilder took 540.43 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:51:00,993 INFO L168 Benchmark]: TraceAbstraction took 12098.77 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 382.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -17.0 MB). Peak memory consumption was 544.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:51:00,993 INFO L168 Benchmark]: Witness Printer took 91.08 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 850.6 kB). Peak memory consumption was 850.6 kB. Max. memory is 11.5 GB. [2018-11-28 10:51:00,995 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.05 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 32.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 540.43 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12098.77 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 382.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -17.0 MB). Peak memory consumption was 544.4 MB. Max. memory is 11.5 GB. * Witness Printer took 91.08 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 850.6 kB). Peak memory consumption was 850.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 101]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 162 locations, 1 error locations. SAFE Result, 12.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2282 SDtfs, 2560 SDslu, 7688 SDs, 0 SdLazy, 5586 SolverSat, 1426 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 460 SyntacticMatches, 2 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=937occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 153 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2950 PreInvPairs, 3459 NumberOfFragments, 1698 HoareAnnotationTreeSize, 2950 FomulaSimplifications, 11031 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 34983 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1537 NumberOfCodeBlocks, 1537 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1522 ConstructedInterpolants, 0 QuantifiedInterpolants, 266349 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2474 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 164/180 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...