./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/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 3f1bc34860a9b5a05b4a0969639c999f2a7389fb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:57:56,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:57:56,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:57:56,334 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:57:56,334 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:57:56,335 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:57:56,336 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:57:56,337 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:57:56,339 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:57:56,340 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:57:56,340 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:57:56,341 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:57:56,342 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:57:56,343 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:57:56,344 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:57:56,344 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:57:56,346 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:57:56,347 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:57:56,349 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:57:56,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:57:56,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:57:56,352 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:57:56,355 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:57:56,355 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:57:56,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:57:56,356 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:57:56,357 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:57:56,358 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:57:56,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:57:56,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:57:56,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:57:56,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:57:56,362 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:57:56,362 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:57:56,363 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:57:56,363 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:57:56,364 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 21:57:56,375 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:57:56,375 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:57:56,376 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:57:56,376 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 21:57:56,377 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:57:56,377 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:57:56,377 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 21:57:56,377 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:57:56,378 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:57:56,378 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:57:56,378 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:57:56,378 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:57:56,378 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:57:56,378 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:57:56,378 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:57:56,379 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:57:56,379 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:57:56,379 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:57:56,379 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:57:56,379 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:57:56,379 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:57:56,380 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:57:56,380 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 21:57:56,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:57:56,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:57:56,380 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:57:56,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:57:56,380 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 21:57:56,380 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:57:56,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:57:56,380 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_9ea4dd24-aa19-426b-8131-e049b163392e/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 -> 3f1bc34860a9b5a05b4a0969639c999f2a7389fb [2018-11-22 21:57:56,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:57:56,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:57:56,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:57:56,421 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:57:56,421 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:57:56,421 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c [2018-11-22 21:57:56,472 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/data/395a1d244/5e72eb935c96461d9d646200ac74ba42/FLAG099295114 [2018-11-22 21:57:56,878 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:57:56,878 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c [2018-11-22 21:57:56,887 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/data/395a1d244/5e72eb935c96461d9d646200ac74ba42/FLAG099295114 [2018-11-22 21:57:56,899 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/data/395a1d244/5e72eb935c96461d9d646200ac74ba42 [2018-11-22 21:57:56,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:57:56,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:57:56,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:57:56,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:57:56,905 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:57:56,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:57:56" (1/1) ... [2018-11-22 21:57:56,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172b0922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:56, skipping insertion in model container [2018-11-22 21:57:56,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:57:56" (1/1) ... [2018-11-22 21:57:56,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:57:56,953 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:57:57,203 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:57:57,213 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:57:57,339 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:57:57,361 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:57:57,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57 WrapperNode [2018-11-22 21:57:57,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:57:57,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:57:57,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:57:57,363 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:57:57,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (1/1) ... [2018-11-22 21:57:57,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (1/1) ... [2018-11-22 21:57:57,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:57:57,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:57:57,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:57:57,395 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:57:57,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (1/1) ... [2018-11-22 21:57:57,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (1/1) ... [2018-11-22 21:57:57,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (1/1) ... [2018-11-22 21:57:57,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (1/1) ... [2018-11-22 21:57:57,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (1/1) ... [2018-11-22 21:57:57,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (1/1) ... [2018-11-22 21:57:57,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (1/1) ... [2018-11-22 21:57:57,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:57:57,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:57:57,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:57:57,434 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:57:57,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/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 [2018-11-22 21:57:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 21:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 21:57:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 21:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 21:57:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-22 21:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-22 21:57:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:57:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 21:57:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 21:57:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 21:57:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 21:57:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 21:57:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 21:57:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 21:57:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 21:57:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 21:57:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 21:57:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-22 21:57:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-22 21:57:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 21:57:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 21:57:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 21:57:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 21:57:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-22 21:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-22 21:57:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 21:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 21:57:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 21:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 21:57:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 21:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 21:57:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 21:57:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 21:57:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-22 21:57:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-22 21:57:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 21:57:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 21:57:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 21:57:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 21:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 21:57:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 21:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 21:57:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 21:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 21:57:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 21:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-22 21:57:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-22 21:57:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-22 21:57:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-22 21:57:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-22 21:57:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-22 21:57:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 21:57:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 21:57:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 21:57:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 21:57:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 21:57:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 21:57:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 21:57:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 21:57:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 21:57:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 21:57:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 21:57:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 21:57:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 21:57:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 21:57:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 21:57:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:57:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:57:58,075 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:57:58,075 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 21:57:58,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:58 BoogieIcfgContainer [2018-11-22 21:57:58,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:57:58,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 21:57:58,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 21:57:58,081 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 21:57:58,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:57:56" (1/3) ... [2018-11-22 21:57:58,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199c1e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:57:58, skipping insertion in model container [2018-11-22 21:57:58,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:57" (2/3) ... [2018-11-22 21:57:58,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199c1e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:57:58, skipping insertion in model container [2018-11-22 21:57:58,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:58" (3/3) ... [2018-11-22 21:57:58,084 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54_true-unreach-call_false-termination.cil.c [2018-11-22 21:57:58,096 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 21:57:58,107 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 21:57:58,124 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 21:57:58,157 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 21:57:58,158 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 21:57:58,158 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 21:57:58,158 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 21:57:58,158 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:57:58,158 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:57:58,159 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 21:57:58,159 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:57:58,159 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 21:57:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-11-22 21:57:58,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 21:57:58,190 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:58,191 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:58,194 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:58,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:58,200 INFO L82 PathProgramCache]: Analyzing trace with hash -2129639158, now seen corresponding path program 1 times [2018-11-22 21:57:58,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:57:58,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:57:58,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:58,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:58,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:58,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:57:58,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:57:58,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 21:57:58,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 21:57:58,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 21:57:58,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 21:57:58,472 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2018-11-22 21:57:58,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:57:58,515 INFO L93 Difference]: Finished difference Result 316 states and 389 transitions. [2018-11-22 21:57:58,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 21:57:58,517 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-22 21:57:58,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:57:58,530 INFO L225 Difference]: With dead ends: 316 [2018-11-22 21:57:58,530 INFO L226 Difference]: Without dead ends: 160 [2018-11-22 21:57:58,535 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 [2018-11-22 21:57:58,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-11-22 21:57:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-11-22 21:57:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-11-22 21:57:58,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions. [2018-11-22 21:57:58,592 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 59 [2018-11-22 21:57:58,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:57:58,593 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 188 transitions. [2018-11-22 21:57:58,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 21:57:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions. [2018-11-22 21:57:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-22 21:57:58,598 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:58,599 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:58,599 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:58,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:58,600 INFO L82 PathProgramCache]: Analyzing trace with hash 655644939, now seen corresponding path program 1 times [2018-11-22 21:57:58,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:57:58,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:57:58,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:58,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:58,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:57:58,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:57:58,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:57:58,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:57:58,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:57:58,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:57:58,706 INFO L87 Difference]: Start difference. First operand 160 states and 188 transitions. Second operand 3 states. [2018-11-22 21:57:58,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:57:58,733 INFO L93 Difference]: Finished difference Result 261 states and 307 transitions. [2018-11-22 21:57:58,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:57:58,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-22 21:57:58,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:57:58,738 INFO L225 Difference]: With dead ends: 261 [2018-11-22 21:57:58,738 INFO L226 Difference]: Without dead ends: 151 [2018-11-22 21:57:58,740 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 [2018-11-22 21:57:58,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-22 21:57:58,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-22 21:57:58,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-22 21:57:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2018-11-22 21:57:58,753 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 60 [2018-11-22 21:57:58,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:57:58,754 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2018-11-22 21:57:58,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:57:58,754 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2018-11-22 21:57:58,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-22 21:57:58,755 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:58,755 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:58,756 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:58,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:58,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1284160161, now seen corresponding path program 1 times [2018-11-22 21:57:58,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:57:58,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:57:58,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:58,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:58,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:57:58,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:57:58,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:57:58,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:57:58,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:57:58,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:57:58,905 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 3 states. [2018-11-22 21:57:58,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:57:58,927 INFO L93 Difference]: Finished difference Result 274 states and 325 transitions. [2018-11-22 21:57:58,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:57:58,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-22 21:57:58,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:57:58,929 INFO L225 Difference]: With dead ends: 274 [2018-11-22 21:57:58,930 INFO L226 Difference]: Without dead ends: 151 [2018-11-22 21:57:58,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:57:58,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-22 21:57:58,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-22 21:57:58,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-22 21:57:58,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2018-11-22 21:57:58,944 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 65 [2018-11-22 21:57:58,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:57:58,946 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2018-11-22 21:57:58,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:57:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2018-11-22 21:57:58,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-22 21:57:58,948 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:58,948 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:58,948 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:58,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:58,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1026582285, now seen corresponding path program 1 times [2018-11-22 21:57:58,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:57:58,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:57:58,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:58,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:58,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:57:59,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:57:59,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 21:57:59,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 21:57:59,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 21:57:59,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 21:57:59,074 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand 5 states. [2018-11-22 21:57:59,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:57:59,915 INFO L93 Difference]: Finished difference Result 388 states and 469 transitions. [2018-11-22 21:57:59,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 21:57:59,915 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-11-22 21:57:59,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:57:59,918 INFO L225 Difference]: With dead ends: 388 [2018-11-22 21:57:59,918 INFO L226 Difference]: Without dead ends: 265 [2018-11-22 21:57:59,919 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 [2018-11-22 21:57:59,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-11-22 21:57:59,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 246. [2018-11-22 21:57:59,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-22 21:57:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 280 transitions. [2018-11-22 21:57:59,947 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 280 transitions. Word has length 83 [2018-11-22 21:57:59,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:57:59,948 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 280 transitions. [2018-11-22 21:57:59,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 21:57:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 280 transitions. [2018-11-22 21:57:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-22 21:57:59,950 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:57:59,950 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:57:59,951 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:57:59,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:59,951 INFO L82 PathProgramCache]: Analyzing trace with hash -616745804, now seen corresponding path program 1 times [2018-11-22 21:57:59,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:57:59,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:57:59,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:59,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:57:59,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:57:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 21:58:00,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:58:00,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 21:58:00,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 21:58:00,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 21:58:00,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 21:58:00,082 INFO L87 Difference]: Start difference. First operand 246 states and 280 transitions. Second operand 7 states. [2018-11-22 21:58:00,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:58:00,554 INFO L93 Difference]: Finished difference Result 482 states and 565 transitions. [2018-11-22 21:58:00,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 21:58:00,554 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2018-11-22 21:58:00,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:58:00,556 INFO L225 Difference]: With dead ends: 482 [2018-11-22 21:58:00,557 INFO L226 Difference]: Without dead ends: 264 [2018-11-22 21:58:00,558 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-22 21:58:00,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-11-22 21:58:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 245. [2018-11-22 21:58:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-22 21:58:00,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 277 transitions. [2018-11-22 21:58:00,576 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 277 transitions. Word has length 97 [2018-11-22 21:58:00,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:58:00,576 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 277 transitions. [2018-11-22 21:58:00,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 21:58:00,576 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 277 transitions. [2018-11-22 21:58:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 21:58:00,578 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:58:00,578 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:58:00,578 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:58:00,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:58:00,578 INFO L82 PathProgramCache]: Analyzing trace with hash -740962008, now seen corresponding path program 1 times [2018-11-22 21:58:00,578 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:58:00,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:58:00,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:00,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:58:00,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:58:00,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:58:00,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 21:58:00,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:58:00,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:58:00,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:58:00,657 INFO L87 Difference]: Start difference. First operand 245 states and 277 transitions. Second operand 6 states. [2018-11-22 21:58:00,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:58:00,689 INFO L93 Difference]: Finished difference Result 467 states and 537 transitions. [2018-11-22 21:58:00,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 21:58:00,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-11-22 21:58:00,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:58:00,692 INFO L225 Difference]: With dead ends: 467 [2018-11-22 21:58:00,693 INFO L226 Difference]: Without dead ends: 250 [2018-11-22 21:58:00,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-22 21:58:00,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-11-22 21:58:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2018-11-22 21:58:00,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-11-22 21:58:00,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 282 transitions. [2018-11-22 21:58:00,710 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 282 transitions. Word has length 98 [2018-11-22 21:58:00,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:58:00,711 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 282 transitions. [2018-11-22 21:58:00,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:58:00,711 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 282 transitions. [2018-11-22 21:58:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 21:58:00,712 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:58:00,713 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:58:00,713 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:58:00,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:58:00,713 INFO L82 PathProgramCache]: Analyzing trace with hash -813348566, now seen corresponding path program 1 times [2018-11-22 21:58:00,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:58:00,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:58:00,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:00,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:58:00,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:58:00,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:58:00,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 21:58:00,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 21:58:00,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 21:58:00,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 21:58:00,807 INFO L87 Difference]: Start difference. First operand 250 states and 282 transitions. Second operand 8 states. [2018-11-22 21:58:00,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:58:00,850 INFO L93 Difference]: Finished difference Result 479 states and 555 transitions. [2018-11-22 21:58:00,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 21:58:00,851 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-11-22 21:58:00,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:58:00,853 INFO L225 Difference]: With dead ends: 479 [2018-11-22 21:58:00,853 INFO L226 Difference]: Without dead ends: 257 [2018-11-22 21:58:00,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 21:58:00,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-11-22 21:58:00,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 254. [2018-11-22 21:58:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-11-22 21:58:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 286 transitions. [2018-11-22 21:58:00,870 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 286 transitions. Word has length 98 [2018-11-22 21:58:00,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:58:00,870 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 286 transitions. [2018-11-22 21:58:00,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 21:58:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 286 transitions. [2018-11-22 21:58:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 21:58:00,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:58:00,871 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:58:00,872 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:58:00,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:58:00,872 INFO L82 PathProgramCache]: Analyzing trace with hash -483582805, now seen corresponding path program 1 times [2018-11-22 21:58:00,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:58:00,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:58:00,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:00,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:58:00,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:58:00,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:58:00,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 21:58:00,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 21:58:00,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 21:58:00,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 21:58:00,948 INFO L87 Difference]: Start difference. First operand 254 states and 286 transitions. Second operand 4 states. [2018-11-22 21:58:01,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:58:01,207 INFO L93 Difference]: Finished difference Result 748 states and 882 transitions. [2018-11-22 21:58:01,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 21:58:01,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-22 21:58:01,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:58:01,212 INFO L225 Difference]: With dead ends: 748 [2018-11-22 21:58:01,213 INFO L226 Difference]: Without dead ends: 522 [2018-11-22 21:58:01,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 21:58:01,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-11-22 21:58:01,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 513. [2018-11-22 21:58:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-11-22 21:58:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 593 transitions. [2018-11-22 21:58:01,251 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 593 transitions. Word has length 98 [2018-11-22 21:58:01,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:58:01,252 INFO L480 AbstractCegarLoop]: Abstraction has 513 states and 593 transitions. [2018-11-22 21:58:01,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 21:58:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 593 transitions. [2018-11-22 21:58:01,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-22 21:58:01,254 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:58:01,255 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:58:01,255 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:58:01,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:58:01,255 INFO L82 PathProgramCache]: Analyzing trace with hash -323171707, now seen corresponding path program 1 times [2018-11-22 21:58:01,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:58:01,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:58:01,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:01,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:58:01,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:01,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:58:01,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:58:01,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 21:58:01,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 21:58:01,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 21:58:01,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-22 21:58:01,399 INFO L87 Difference]: Start difference. First operand 513 states and 593 transitions. Second operand 9 states. [2018-11-22 21:58:02,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:58:02,261 INFO L93 Difference]: Finished difference Result 1344 states and 1622 transitions. [2018-11-22 21:58:02,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 21:58:02,261 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2018-11-22 21:58:02,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:58:02,265 INFO L225 Difference]: With dead ends: 1344 [2018-11-22 21:58:02,266 INFO L226 Difference]: Without dead ends: 936 [2018-11-22 21:58:02,267 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-22 21:58:02,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2018-11-22 21:58:02,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 852. [2018-11-22 21:58:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2018-11-22 21:58:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 973 transitions. [2018-11-22 21:58:02,310 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 973 transitions. Word has length 102 [2018-11-22 21:58:02,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:58:02,310 INFO L480 AbstractCegarLoop]: Abstraction has 852 states and 973 transitions. [2018-11-22 21:58:02,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 21:58:02,310 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 973 transitions. [2018-11-22 21:58:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-22 21:58:02,313 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:58:02,313 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:58:02,314 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:58:02,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:58:02,314 INFO L82 PathProgramCache]: Analyzing trace with hash -513912040, now seen corresponding path program 1 times [2018-11-22 21:58:02,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:58:02,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:58:02,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:02,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:58:02,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 21:58:02,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:58:02,448 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/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 [2018-11-22 21:58:02,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:58:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:02,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:58:02,723 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:58:02,744 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-22 21:58:02,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-22 21:58:02,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-22 21:58:02,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-22 21:58:02,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-22 21:58:02,745 INFO L87 Difference]: Start difference. First operand 852 states and 973 transitions. Second operand 16 states. [2018-11-22 21:58:03,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:58:03,800 INFO L93 Difference]: Finished difference Result 1911 states and 2260 transitions. [2018-11-22 21:58:03,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-22 21:58:03,803 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 180 [2018-11-22 21:58:03,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:58:03,810 INFO L225 Difference]: With dead ends: 1911 [2018-11-22 21:58:03,810 INFO L226 Difference]: Without dead ends: 1162 [2018-11-22 21:58:03,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-11-22 21:58:03,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2018-11-22 21:58:03,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1018. [2018-11-22 21:58:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1018 states. [2018-11-22 21:58:03,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1173 transitions. [2018-11-22 21:58:03,891 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1173 transitions. Word has length 180 [2018-11-22 21:58:03,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:58:03,891 INFO L480 AbstractCegarLoop]: Abstraction has 1018 states and 1173 transitions. [2018-11-22 21:58:03,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-22 21:58:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1173 transitions. [2018-11-22 21:58:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-11-22 21:58:03,898 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:58:03,898 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 21:58:03,898 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:58:03,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:58:03,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1171151548, now seen corresponding path program 1 times [2018-11-22 21:58:03,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:58:03,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:58:03,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:03,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:58:03,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 100 proven. 9 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-11-22 21:58:04,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:58:04,085 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/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 [2018-11-22 21:58:04,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:58:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:04,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:58:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 212 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-22 21:58:04,397 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-22 21:58:04,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-22 21:58:04,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-22 21:58:04,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-22 21:58:04,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-22 21:58:04,399 INFO L87 Difference]: Start difference. First operand 1018 states and 1173 transitions. Second operand 18 states. [2018-11-22 21:58:06,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:58:06,432 INFO L93 Difference]: Finished difference Result 2735 states and 3332 transitions. [2018-11-22 21:58:06,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-22 21:58:06,433 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 305 [2018-11-22 21:58:06,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:58:06,440 INFO L225 Difference]: With dead ends: 2735 [2018-11-22 21:58:06,440 INFO L226 Difference]: Without dead ends: 1482 [2018-11-22 21:58:06,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 310 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-11-22 21:58:06,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2018-11-22 21:58:06,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1361. [2018-11-22 21:58:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1361 states. [2018-11-22 21:58:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1553 transitions. [2018-11-22 21:58:06,542 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1553 transitions. Word has length 305 [2018-11-22 21:58:06,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:58:06,543 INFO L480 AbstractCegarLoop]: Abstraction has 1361 states and 1553 transitions. [2018-11-22 21:58:06,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-22 21:58:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1553 transitions. [2018-11-22 21:58:06,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-11-22 21:58:06,550 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:58:06,551 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:58:06,551 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:58:06,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:58:06,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1683537609, now seen corresponding path program 1 times [2018-11-22 21:58:06,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:58:06,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:58:06,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:06,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:58:06,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:58:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2018-11-22 21:58:06,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:58:06,766 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/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 [2018-11-22 21:58:06,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:58:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:58:06,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:58:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-11-22 21:58:07,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:58:07,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-22 21:58:07,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-22 21:58:07,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-22 21:58:07,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-22 21:58:07,110 INFO L87 Difference]: Start difference. First operand 1361 states and 1553 transitions. Second operand 13 states. [2018-11-22 21:58:07,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:58:07,253 INFO L93 Difference]: Finished difference Result 1656 states and 1880 transitions. [2018-11-22 21:58:07,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 21:58:07,254 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 391 [2018-11-22 21:58:07,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:58:07,255 INFO L225 Difference]: With dead ends: 1656 [2018-11-22 21:58:07,255 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 21:58:07,259 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-22 21:58:07,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 21:58:07,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 21:58:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 21:58:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 21:58:07,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2018-11-22 21:58:07,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:58:07,261 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 21:58:07,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-22 21:58:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 21:58:07,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:58:07,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 21:58:07,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:07,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:58:08,751 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2018-11-22 21:58:08,930 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 37 [2018-11-22 21:58:09,929 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 31 [2018-11-22 21:58:10,461 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 636 642) the Hoare annotation is: true [2018-11-22 21:58:10,461 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 636 642) no Hoare annotation was computed. [2018-11-22 21:58:10,461 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 643 651) no Hoare annotation was computed. [2018-11-22 21:58:10,461 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 643 651) the Hoare annotation is: true [2018-11-22 21:58:10,461 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 643 651) no Hoare annotation was computed. [2018-11-22 21:58:10,461 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-22 21:58:10,461 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-22 21:58:10,461 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-22 21:58:10,462 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2))) [2018-11-22 21:58:10,462 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-11-22 21:58:10,462 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-22 21:58:10,462 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-11-22 21:58:10,462 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-11-22 21:58:10,462 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse4))) [2018-11-22 21:58:10,462 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-11-22 21:58:10,462 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-22 21:58:10,462 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-11-22 21:58:10,462 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse5) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse5))) [2018-11-22 21:58:10,462 INFO L448 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-22 21:58:10,462 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-11-22 21:58:10,462 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-11-22 21:58:10,462 INFO L451 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-11-22 21:58:10,462 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-22 21:58:10,463 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 290 312) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 21:58:10,463 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 290 312) no Hoare annotation was computed. [2018-11-22 21:58:10,463 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 21:58:10,463 INFO L444 ceAbstractionStarter]: At program point L302-1(line 302) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 21:58:10,463 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 290 312) no Hoare annotation was computed. [2018-11-22 21:58:10,463 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 307) no Hoare annotation was computed. [2018-11-22 21:58:10,463 INFO L448 ceAbstractionStarter]: For program point L300-1(lines 300 307) no Hoare annotation was computed. [2018-11-22 21:58:10,463 INFO L448 ceAbstractionStarter]: For program point L298(line 298) no Hoare annotation was computed. [2018-11-22 21:58:10,463 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 21:58:10,463 INFO L444 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 21:58:10,463 INFO L444 ceAbstractionStarter]: At program point L296-1(line 296) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 21:58:10,463 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 459 467) no Hoare annotation was computed. [2018-11-22 21:58:10,463 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 459 467) the Hoare annotation is: true [2018-11-22 21:58:10,463 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 459 467) no Hoare annotation was computed. [2018-11-22 21:58:10,463 INFO L448 ceAbstractionStarter]: For program point L530-1(line 530) no Hoare annotation was computed. [2018-11-22 21:58:10,463 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2018-11-22 21:58:10,464 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2018-11-22 21:58:10,464 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-11-22 21:58:10,464 INFO L451 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2018-11-22 21:58:10,464 INFO L448 ceAbstractionStarter]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2018-11-22 21:58:10,464 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2018-11-22 21:58:10,464 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 629 635) no Hoare annotation was computed. [2018-11-22 21:58:10,464 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 629 635) the Hoare annotation is: true [2018-11-22 21:58:10,464 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 276 286) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 21:58:10,464 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 276 286) no Hoare annotation was computed. [2018-11-22 21:58:10,464 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 21:58:10,464 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 276 286) no Hoare annotation was computed. [2018-11-22 21:58:10,464 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 448 458) the Hoare annotation is: true [2018-11-22 21:58:10,464 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 448 458) no Hoare annotation was computed. [2018-11-22 21:58:10,464 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 448 458) no Hoare annotation was computed. [2018-11-22 21:58:10,464 INFO L451 ceAbstractionStarter]: At program point L453(line 453) the Hoare annotation is: true [2018-11-22 21:58:10,464 INFO L448 ceAbstractionStarter]: For program point L453-1(line 453) no Hoare annotation was computed. [2018-11-22 21:58:10,464 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 440 447) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-22 21:58:10,465 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2018-11-22 21:58:10,465 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2018-11-22 21:58:10,465 INFO L444 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-11-22 21:58:10,465 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 423) no Hoare annotation was computed. [2018-11-22 21:58:10,465 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-11-22 21:58:10,465 INFO L448 ceAbstractionStarter]: For program point L413-1(line 413) no Hoare annotation was computed. [2018-11-22 21:58:10,465 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 428) no Hoare annotation was computed. [2018-11-22 21:58:10,465 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 407 431) no Hoare annotation was computed. [2018-11-22 21:58:10,465 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 407 431) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-11-22 21:58:10,465 INFO L444 ceAbstractionStarter]: At program point L426(line 426) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-11-22 21:58:10,465 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 407 431) no Hoare annotation was computed. [2018-11-22 21:58:10,465 INFO L444 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-11-22 21:58:10,465 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 188) no Hoare annotation was computed. [2018-11-22 21:58:10,466 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 178 191) no Hoare annotation was computed. [2018-11-22 21:58:10,466 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 178 191) the Hoare annotation is: true [2018-11-22 21:58:10,466 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 178 191) no Hoare annotation was computed. [2018-11-22 21:58:10,466 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 347 353) no Hoare annotation was computed. [2018-11-22 21:58:10,466 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 347 353) the Hoare annotation is: true [2018-11-22 21:58:10,466 INFO L444 ceAbstractionStarter]: At program point L609(lines 560 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 21:58:10,466 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 551 616) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-22 21:58:10,466 INFO L448 ceAbstractionStarter]: For program point L599(lines 599 603) no Hoare annotation was computed. [2018-11-22 21:58:10,466 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 551 616) no Hoare annotation was computed. [2018-11-22 21:58:10,466 INFO L444 ceAbstractionStarter]: At program point L599-2(lines 591 604) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-11-22 21:58:10,466 INFO L448 ceAbstractionStarter]: For program point L562(lines 561 608) no Hoare annotation was computed. [2018-11-22 21:58:10,466 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-11-22 21:58:10,466 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 604) no Hoare annotation was computed. [2018-11-22 21:58:10,466 INFO L444 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-11-22 21:58:10,466 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 587) no Hoare annotation was computed. [2018-11-22 21:58:10,466 INFO L448 ceAbstractionStarter]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L444 ceAbstractionStarter]: At program point L606(lines 561 608) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))))) [2018-11-22 21:58:10,467 INFO L444 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (= |old(~systemActive~0)| 0) (and (= 1 ~waterLevel~0) .cse3) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))))) [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point L571(lines 571 577) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 567) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 551 616) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 192 200) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 192 200) the Hoare annotation is: true [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 192 200) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 432 439) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2018-11-22 21:58:10,467 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 432 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-22 21:58:10,467 INFO L448 ceAbstractionStarter]: For program point L513(lines 513 517) no Hoare annotation was computed. [2018-11-22 21:58:10,468 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 504 522) no Hoare annotation was computed. [2018-11-22 21:58:10,468 INFO L451 ceAbstractionStarter]: At program point L511(line 511) the Hoare annotation is: true [2018-11-22 21:58:10,468 INFO L448 ceAbstractionStarter]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2018-11-22 21:58:10,468 INFO L448 ceAbstractionStarter]: For program point L511-1(line 511) no Hoare annotation was computed. [2018-11-22 21:58:10,468 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 504 522) the Hoare annotation is: true [2018-11-22 21:58:10,468 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 504 522) no Hoare annotation was computed. [2018-11-22 21:58:10,468 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 169 177) the Hoare annotation is: true [2018-11-22 21:58:10,468 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-22 21:58:10,468 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-22 21:58:10,468 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 125 136) no Hoare annotation was computed. [2018-11-22 21:58:10,468 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 125 136) the Hoare annotation is: true [2018-11-22 21:58:10,468 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 125 136) no Hoare annotation was computed. [2018-11-22 21:58:10,469 INFO L444 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 .cse4))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse3 .cse4) (or (or .cse2 .cse5) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse1 .cse2 .cse5) .cse0)))) [2018-11-22 21:58:10,469 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 320 346) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse3 .cse1 .cse4) (or (or .cse3 .cse1 .cse2) .cse0) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2018-11-22 21:58:10,469 INFO L444 ceAbstractionStarter]: At program point L334(lines 334 340) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (and (= ~pumpRunning~0 1) .cse4) (or .cse1 .cse2 .cse3) .cse0)))) [2018-11-22 21:58:10,469 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 320 346) no Hoare annotation was computed. [2018-11-22 21:58:10,469 INFO L444 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse1 .cse2))) [2018-11-22 21:58:10,469 INFO L448 ceAbstractionStarter]: For program point L327(lines 323 345) no Hoare annotation was computed. [2018-11-22 21:58:10,470 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 320 346) no Hoare annotation was computed. [2018-11-22 21:58:10,470 INFO L448 ceAbstractionStarter]: For program point L325(lines 323 345) no Hoare annotation was computed. [2018-11-22 21:58:10,470 INFO L448 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2018-11-22 21:58:10,470 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 213 242) no Hoare annotation was computed. [2018-11-22 21:58:10,470 INFO L451 ceAbstractionStarter]: At program point L223-2(lines 223 237) the Hoare annotation is: true [2018-11-22 21:58:10,470 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 213 242) the Hoare annotation is: true [2018-11-22 21:58:10,470 INFO L451 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: true [2018-11-22 21:58:10,470 INFO L448 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2018-11-22 21:58:10,470 INFO L451 ceAbstractionStarter]: At program point L238(lines 213 242) the Hoare annotation is: true [2018-11-22 21:58:10,470 INFO L448 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-11-22 21:58:10,471 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2018-11-22 21:58:10,471 INFO L451 ceAbstractionStarter]: At program point L227-1(lines 227 231) the Hoare annotation is: true [2018-11-22 21:58:10,471 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 137 145) the Hoare annotation is: true [2018-11-22 21:58:10,471 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 137 145) no Hoare annotation was computed. [2018-11-22 21:58:10,471 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 137 145) no Hoare annotation was computed. [2018-11-22 21:58:10,471 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 101 112) the Hoare annotation is: (or (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-22 21:58:10,471 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 101 112) no Hoare annotation was computed. [2018-11-22 21:58:10,471 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 101 112) no Hoare annotation was computed. [2018-11-22 21:58:10,471 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 268 274) no Hoare annotation was computed. [2018-11-22 21:58:10,471 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 268 274) the Hoare annotation is: true [2018-11-22 21:58:10,472 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:58:10,472 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-22 21:58:10,472 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 21:58:10,472 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:58:10,472 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 542 549) no Hoare annotation was computed. [2018-11-22 21:58:10,472 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 542 549) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (or (or .cse2 .cse3) (not (= 1 ~pumpRunning~0)))))) [2018-11-22 21:58:10,472 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 542 549) no Hoare annotation was computed. [2018-11-22 21:58:10,472 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 355 379) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-22 21:58:10,473 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 355 379) no Hoare annotation was computed. [2018-11-22 21:58:10,473 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-22 21:58:10,473 INFO L448 ceAbstractionStarter]: For program point L374-1(lines 355 379) no Hoare annotation was computed. [2018-11-22 21:58:10,473 INFO L444 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse0 .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-22 21:58:10,473 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-22 21:58:10,473 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 371) no Hoare annotation was computed. [2018-11-22 21:58:10,473 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-22 21:58:10,473 INFO L448 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-11-22 21:58:10,474 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 376) no Hoare annotation was computed. [2018-11-22 21:58:10,474 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 113 124) no Hoare annotation was computed. [2018-11-22 21:58:10,474 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 113 124) no Hoare annotation was computed. [2018-11-22 21:58:10,474 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 113 124) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse1 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse3 .cse0) .cse2) (or (or .cse3 .cse0 (not (= |old(~waterLevel~0)| 1))) .cse1))) [2018-11-22 21:58:10,474 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2018-11-22 21:58:10,474 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2018-11-22 21:58:10,474 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2018-11-22 21:58:10,474 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2018-11-22 21:58:10,474 INFO L448 ceAbstractionStarter]: For program point L385(lines 385 402) no Hoare annotation was computed. [2018-11-22 21:58:10,475 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 381 405) no Hoare annotation was computed. [2018-11-22 21:58:10,475 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 381 405) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-11-22 21:58:10,475 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-11-22 21:58:10,475 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 381 405) no Hoare annotation was computed. [2018-11-22 21:58:10,475 INFO L444 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-22 21:58:10,475 INFO L444 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~3 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-22 21:58:10,475 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 397) no Hoare annotation was computed. [2018-11-22 21:58:10,476 INFO L444 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-11-22 21:58:10,476 INFO L448 ceAbstractionStarter]: For program point L387-1(line 387) no Hoare annotation was computed. [2018-11-22 21:58:10,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:58:10 BoogieIcfgContainer [2018-11-22 21:58:10,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 21:58:10,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:58:10,489 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:58:10,489 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:58:10,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:58" (3/4) ... [2018-11-22 21:58:10,493 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:58:10,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 21:58:10,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 21:58:10,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-22 21:58:10,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-22 21:58:10,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-22 21:58:10,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 21:58:10,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-22 21:58:10,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 21:58:10,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 21:58:10,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 21:58:10,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-22 21:58:10,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 21:58:10,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 21:58:10,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 21:58:10,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 21:58:10,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 21:58:10,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 21:58:10,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-22 21:58:10,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-22 21:58:10,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 21:58:10,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 21:58:10,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-22 21:58:10,511 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-22 21:58:10,511 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 21:58:10,512 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 21:58:10,512 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 21:58:10,513 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 21:58:10,513 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:58:10,513 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:58:10,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(systemActive) == 0 || (((!(systemActive == 0) && 2 == waterLevel) && pumpRunning == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((2 == waterLevel && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1) [2018-11-22 21:58:10,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-22 21:58:10,593 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9ea4dd24-aa19-426b-8131-e049b163392e/bin-2019/uautomizer/witness.graphml [2018-11-22 21:58:10,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:58:10,595 INFO L168 Benchmark]: Toolchain (without parser) took 13693.10 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 412.1 MB). Free memory was 952.1 MB in the beginning and 958.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 406.2 MB. Max. memory is 11.5 GB. [2018-11-22 21:58:10,595 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:58:10,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:58:10,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.87 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. [2018-11-22 21:58:10,596 INFO L168 Benchmark]: Boogie Preprocessor took 38.85 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-22 21:58:10,596 INFO L168 Benchmark]: RCFGBuilder took 641.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-11-22 21:58:10,596 INFO L168 Benchmark]: TraceAbstraction took 12412.06 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 272.1 MB). Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 103.5 MB). Peak memory consumption was 438.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:58:10,600 INFO L168 Benchmark]: Witness Printer took 105.03 ms. Allocated memory is still 1.4 GB. Free memory was 969.4 MB in the beginning and 958.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:58:10,602 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 459.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.87 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 38.85 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 641.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12412.06 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 272.1 MB). Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 103.5 MB). Peak memory consumption was 438.1 MB. Max. memory is 11.5 GB. * Witness Printer took 105.03 ms. Allocated memory is still 1.4 GB. Free memory was 969.4 MB in the beginning and 958.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 561]: Loop Invariant Derived loop invariant: ((((\old(systemActive) == 0 || (((!(systemActive == 0) && 2 == waterLevel) && pumpRunning == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((2 == waterLevel && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 173 locations, 1 error locations. SAFE Result, 12.3s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2593 SDtfs, 2488 SDslu, 7798 SDs, 0 SdLazy, 5826 SolverSat, 1310 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1065 GetRequests, 931 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1361occurred in iteration=11, 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 399 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 2196 PreInvPairs, 2278 NumberOfFragments, 2010 HoareAnnotationTreeSize, 2196 FomulaSimplifications, 10008 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 71 FomulaSimplificationsInter, 18607 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2512 NumberOfCodeBlocks, 2512 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2497 ConstructedInterpolants, 0 QuantifiedInterpolants, 816501 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3721 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1794/1849 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...