./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product51_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/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 82fb1dfaeb04705f6833d1531288fda63f898d4b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:15:52,398 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:15:52,399 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:15:52,406 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:15:52,406 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:15:52,407 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:15:52,407 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:15:52,409 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:15:52,410 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:15:52,410 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:15:52,411 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:15:52,411 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:15:52,412 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:15:52,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:15:52,413 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:15:52,414 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:15:52,414 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:15:52,415 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:15:52,417 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:15:52,418 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:15:52,418 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:15:52,419 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:15:52,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:15:52,421 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:15:52,421 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:15:52,422 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:15:52,423 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:15:52,423 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:15:52,424 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:15:52,424 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:15:52,425 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:15:52,425 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:15:52,425 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:15:52,425 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:15:52,426 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:15:52,426 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:15:52,427 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:15:52,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:15:52,437 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:15:52,438 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:15:52,438 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:15:52,438 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:15:52,439 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:15:52,439 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:15:52,439 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:15:52,439 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:15:52,439 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:15:52,439 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:15:52,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:15:52,440 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:15:52,440 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:15:52,440 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:15:52,440 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:15:52,440 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:15:52,440 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:15:52,440 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:15:52,441 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:15:52,441 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:15:52,441 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:15:52,441 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:15:52,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:15:52,443 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:15:52,443 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:15:52,443 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:15:52,443 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:15:52,444 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:15:52,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:15:52,444 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_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/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 -> 82fb1dfaeb04705f6833d1531288fda63f898d4b [2018-11-28 13:15:52,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:15:52,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:15:52,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:15:52,485 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:15:52,485 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:15:52,485 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product51_true-unreach-call_false-termination.cil.c [2018-11-28 13:15:52,528 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/data/a831e5986/6a5929b744c5401c8ccb47fb00d0a67a/FLAGaafd4ec18 [2018-11-28 13:15:52,964 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:15:52,965 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/sv-benchmarks/c/product-lines/minepump_spec4_product51_true-unreach-call_false-termination.cil.c [2018-11-28 13:15:52,973 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/data/a831e5986/6a5929b744c5401c8ccb47fb00d0a67a/FLAGaafd4ec18 [2018-11-28 13:15:52,984 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/data/a831e5986/6a5929b744c5401c8ccb47fb00d0a67a [2018-11-28 13:15:52,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:15:52,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:15:52,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:15:52,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:15:52,990 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:15:52,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:15:52" (1/1) ... [2018-11-28 13:15:52,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246385e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:52, skipping insertion in model container [2018-11-28 13:15:52,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:15:52" (1/1) ... [2018-11-28 13:15:52,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:15:53,024 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:15:53,213 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:15:53,270 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:15:53,327 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:15:53,348 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:15:53,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53 WrapperNode [2018-11-28 13:15:53,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:15:53,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:15:53,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:15:53,349 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:15:53,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (1/1) ... [2018-11-28 13:15:53,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (1/1) ... [2018-11-28 13:15:53,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:15:53,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:15:53,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:15:53,370 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:15:53,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (1/1) ... [2018-11-28 13:15:53,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (1/1) ... [2018-11-28 13:15:53,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (1/1) ... [2018-11-28 13:15:53,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (1/1) ... [2018-11-28 13:15:53,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (1/1) ... [2018-11-28 13:15:53,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (1/1) ... [2018-11-28 13:15:53,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (1/1) ... [2018-11-28 13:15:53,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:15:53,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:15:53,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:15:53,395 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:15:53,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:15:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:15:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:15:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:15:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:15:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:15:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:15:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:15:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:15:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:15:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:15:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:15:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:15:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:15:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:15:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:15:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:15:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:15:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:15:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:15:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:15:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:15:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:15:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:15:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:15:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:15:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:15:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:15:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:15:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:15:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:15:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:15:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:15:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:15:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:15:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:15:53,440 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:15:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:15:53,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:15:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:15:53,440 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:15:53,440 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:15:53,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:15:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:15:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:15:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:15:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:15:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:15:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:15:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:15:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:15:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:15:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:15:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:15:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:15:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:15:53,787 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:15:53,788 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:15:53,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:15:53 BoogieIcfgContainer [2018-11-28 13:15:53,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:15:53,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:15:53,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:15:53,792 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:15:53,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:15:52" (1/3) ... [2018-11-28 13:15:53,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f75626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:15:53, skipping insertion in model container [2018-11-28 13:15:53,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:15:53" (2/3) ... [2018-11-28 13:15:53,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f75626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:15:53, skipping insertion in model container [2018-11-28 13:15:53,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:15:53" (3/3) ... [2018-11-28 13:15:53,795 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51_true-unreach-call_false-termination.cil.c [2018-11-28 13:15:53,802 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:15:53,810 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:15:53,819 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:15:53,840 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:15:53,840 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:15:53,841 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:15:53,841 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:15:53,841 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:15:53,841 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:15:53,841 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:15:53,841 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:15:53,841 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:15:53,856 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-28 13:15:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 13:15:53,861 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:53,862 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:15:53,863 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:53,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:53,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1477324891, now seen corresponding path program 1 times [2018-11-28 13:15:53,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:53,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:53,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:53,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:53,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:54,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:54,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:15:54,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:15:54,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:15:54,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:15:54,058 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-28 13:15:54,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:54,080 INFO L93 Difference]: Finished difference Result 268 states and 333 transitions. [2018-11-28 13:15:54,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:15:54,081 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 13:15:54,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:54,089 INFO L225 Difference]: With dead ends: 268 [2018-11-28 13:15:54,089 INFO L226 Difference]: Without dead ends: 134 [2018-11-28 13:15:54,092 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:15:54,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-28 13:15:54,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-28 13:15:54,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-28 13:15:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2018-11-28 13:15:54,130 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2018-11-28 13:15:54,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:54,131 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2018-11-28 13:15:54,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:15:54,131 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2018-11-28 13:15:54,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 13:15:54,133 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:54,134 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:15:54,134 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:54,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:54,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1184699002, now seen corresponding path program 1 times [2018-11-28 13:15:54,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:54,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:54,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:54,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:54,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:54,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:54,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:15:54,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:15:54,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:15:54,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:15:54,212 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2018-11-28 13:15:54,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:54,234 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2018-11-28 13:15:54,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:15:54,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 13:15:54,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:54,237 INFO L225 Difference]: With dead ends: 211 [2018-11-28 13:15:54,237 INFO L226 Difference]: Without dead ends: 125 [2018-11-28 13:15:54,238 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:15:54,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-28 13:15:54,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-28 13:15:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-28 13:15:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2018-11-28 13:15:54,252 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2018-11-28 13:15:54,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:54,252 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2018-11-28 13:15:54,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:15:54,253 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2018-11-28 13:15:54,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 13:15:54,254 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:54,254 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:15:54,254 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:54,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:54,254 INFO L82 PathProgramCache]: Analyzing trace with hash -161920199, now seen corresponding path program 1 times [2018-11-28 13:15:54,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:54,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:54,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:54,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:54,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:54,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:54,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:15:54,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:15:54,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:15:54,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:15:54,352 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 7 states. [2018-11-28 13:15:54,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:54,698 INFO L93 Difference]: Finished difference Result 377 states and 456 transitions. [2018-11-28 13:15:54,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:15:54,699 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 13:15:54,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:54,702 INFO L225 Difference]: With dead ends: 377 [2018-11-28 13:15:54,702 INFO L226 Difference]: Without dead ends: 276 [2018-11-28 13:15:54,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:15:54,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-11-28 13:15:54,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 268. [2018-11-28 13:15:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-11-28 13:15:54,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 324 transitions. [2018-11-28 13:15:54,731 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 324 transitions. Word has length 51 [2018-11-28 13:15:54,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:54,731 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 324 transitions. [2018-11-28 13:15:54,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:15:54,731 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 324 transitions. [2018-11-28 13:15:54,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 13:15:54,734 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:54,734 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:15:54,735 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:54,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:54,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1092518988, now seen corresponding path program 1 times [2018-11-28 13:15:54,735 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:54,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:54,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:54,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:54,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:54,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:54,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:15:54,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:15:54,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:15:54,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:15:54,897 INFO L87 Difference]: Start difference. First operand 268 states and 324 transitions. Second operand 10 states. [2018-11-28 13:15:55,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:55,493 INFO L93 Difference]: Finished difference Result 952 states and 1244 transitions. [2018-11-28 13:15:55,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 13:15:55,493 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 13:15:55,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:55,499 INFO L225 Difference]: With dead ends: 952 [2018-11-28 13:15:55,499 INFO L226 Difference]: Without dead ends: 708 [2018-11-28 13:15:55,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:15:55,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2018-11-28 13:15:55,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 696. [2018-11-28 13:15:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2018-11-28 13:15:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 876 transitions. [2018-11-28 13:15:55,549 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 876 transitions. Word has length 57 [2018-11-28 13:15:55,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:55,550 INFO L480 AbstractCegarLoop]: Abstraction has 696 states and 876 transitions. [2018-11-28 13:15:55,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:15:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 876 transitions. [2018-11-28 13:15:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 13:15:55,552 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:55,553 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:15:55,554 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:55,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:55,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1019337618, now seen corresponding path program 1 times [2018-11-28 13:15:55,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:55,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:55,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:55,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:55,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:55,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:55,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:15:55,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:15:55,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:15:55,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:15:55,611 INFO L87 Difference]: Start difference. First operand 696 states and 876 transitions. Second operand 4 states. [2018-11-28 13:15:55,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:55,831 INFO L93 Difference]: Finished difference Result 1746 states and 2403 transitions. [2018-11-28 13:15:55,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:15:55,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-28 13:15:55,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:55,837 INFO L225 Difference]: With dead ends: 1746 [2018-11-28 13:15:55,837 INFO L226 Difference]: Without dead ends: 1074 [2018-11-28 13:15:55,839 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:15:55,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2018-11-28 13:15:55,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 939. [2018-11-28 13:15:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-11-28 13:15:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1190 transitions. [2018-11-28 13:15:55,887 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1190 transitions. Word has length 61 [2018-11-28 13:15:55,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:55,887 INFO L480 AbstractCegarLoop]: Abstraction has 939 states and 1190 transitions. [2018-11-28 13:15:55,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:15:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1190 transitions. [2018-11-28 13:15:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 13:15:55,889 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:55,889 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 13:15:55,890 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:55,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:55,891 INFO L82 PathProgramCache]: Analyzing trace with hash 880447573, now seen corresponding path program 1 times [2018-11-28 13:15:55,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:55,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:55,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:55,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:55,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 13:15:55,972 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:15:55,973 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:15:55,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:56,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:15:56,210 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:15:56,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 13:15:56,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 13:15:56,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 13:15:56,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:15:56,212 INFO L87 Difference]: Start difference. First operand 939 states and 1190 transitions. Second operand 12 states. [2018-11-28 13:15:58,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:58,014 INFO L93 Difference]: Finished difference Result 2238 states and 3071 transitions. [2018-11-28 13:15:58,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-28 13:15:58,015 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-11-28 13:15:58,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:58,022 INFO L225 Difference]: With dead ends: 2238 [2018-11-28 13:15:58,022 INFO L226 Difference]: Without dead ends: 1559 [2018-11-28 13:15:58,025 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-28 13:15:58,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2018-11-28 13:15:58,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1359. [2018-11-28 13:15:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1359 states. [2018-11-28 13:15:58,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1741 transitions. [2018-11-28 13:15:58,108 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1741 transitions. Word has length 88 [2018-11-28 13:15:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:58,108 INFO L480 AbstractCegarLoop]: Abstraction has 1359 states and 1741 transitions. [2018-11-28 13:15:58,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 13:15:58,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1741 transitions. [2018-11-28 13:15:58,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-28 13:15:58,111 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:58,112 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 13:15:58,112 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:58,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:58,112 INFO L82 PathProgramCache]: Analyzing trace with hash 415476035, now seen corresponding path program 1 times [2018-11-28 13:15:58,112 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:58,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:58,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:58,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:58,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 13:15:58,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:15:58,208 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:15:58,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:58,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 13:15:58,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:15:58,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 13:15:58,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:15:58,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:15:58,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:15:58,327 INFO L87 Difference]: Start difference. First operand 1359 states and 1741 transitions. Second operand 6 states. [2018-11-28 13:15:58,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:58,390 INFO L93 Difference]: Finished difference Result 2734 states and 3603 transitions. [2018-11-28 13:15:58,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:15:58,391 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-11-28 13:15:58,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:58,395 INFO L225 Difference]: With dead ends: 2734 [2018-11-28 13:15:58,395 INFO L226 Difference]: Without dead ends: 1399 [2018-11-28 13:15:58,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:15:58,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2018-11-28 13:15:58,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1399. [2018-11-28 13:15:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1399 states. [2018-11-28 13:15:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1785 transitions. [2018-11-28 13:15:58,444 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1785 transitions. Word has length 132 [2018-11-28 13:15:58,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:58,445 INFO L480 AbstractCegarLoop]: Abstraction has 1399 states and 1785 transitions. [2018-11-28 13:15:58,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:15:58,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1785 transitions. [2018-11-28 13:15:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-28 13:15:58,447 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:58,447 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 13:15:58,447 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:58,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:58,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1740332229, now seen corresponding path program 1 times [2018-11-28 13:15:58,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:58,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:58,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:58,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:58,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:58,529 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 13:15:58,529 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:15:58,529 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:15:58,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:58,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 13:15:58,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:15:58,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 13:15:58,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 13:15:58,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 13:15:58,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:15:58,724 INFO L87 Difference]: Start difference. First operand 1399 states and 1785 transitions. Second operand 11 states. [2018-11-28 13:15:58,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:58,813 INFO L93 Difference]: Finished difference Result 2613 states and 3420 transitions. [2018-11-28 13:15:58,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:15:58,814 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2018-11-28 13:15:58,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:58,820 INFO L225 Difference]: With dead ends: 2613 [2018-11-28 13:15:58,820 INFO L226 Difference]: Without dead ends: 1238 [2018-11-28 13:15:58,823 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:15:58,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-11-28 13:15:58,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1238. [2018-11-28 13:15:58,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1238 states. [2018-11-28 13:15:58,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1565 transitions. [2018-11-28 13:15:58,890 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1565 transitions. Word has length 132 [2018-11-28 13:15:58,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:58,891 INFO L480 AbstractCegarLoop]: Abstraction has 1238 states and 1565 transitions. [2018-11-28 13:15:58,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 13:15:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1565 transitions. [2018-11-28 13:15:58,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-28 13:15:58,893 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:58,893 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 13:15:58,893 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:58,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:58,894 INFO L82 PathProgramCache]: Analyzing trace with hash -129314240, now seen corresponding path program 1 times [2018-11-28 13:15:58,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:15:58,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:15:58,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:58,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:58,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:15:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-28 13:15:59,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:15:59,014 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:15:59,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:59,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:59,240 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:15:59,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 13:15:59,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 13:15:59,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 13:15:59,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:15:59,242 INFO L87 Difference]: Start difference. First operand 1238 states and 1565 transitions. Second operand 14 states. [2018-11-28 13:16:00,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:16:00,964 INFO L93 Difference]: Finished difference Result 2495 states and 3365 transitions. [2018-11-28 13:16:00,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 13:16:00,965 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 136 [2018-11-28 13:16:00,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:16:00,972 INFO L225 Difference]: With dead ends: 2495 [2018-11-28 13:16:00,972 INFO L226 Difference]: Without dead ends: 1436 [2018-11-28 13:16:00,975 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 139 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-11-28 13:16:00,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2018-11-28 13:16:01,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1124. [2018-11-28 13:16:01,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-11-28 13:16:01,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1417 transitions. [2018-11-28 13:16:01,049 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1417 transitions. Word has length 136 [2018-11-28 13:16:01,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:16:01,049 INFO L480 AbstractCegarLoop]: Abstraction has 1124 states and 1417 transitions. [2018-11-28 13:16:01,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 13:16:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1417 transitions. [2018-11-28 13:16:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-28 13:16:01,053 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:16:01,054 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-11-28 13:16:01,054 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:16:01,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:16:01,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1772883422, now seen corresponding path program 2 times [2018-11-28 13:16:01,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:16:01,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:16:01,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:16:01,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:16:01,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:16:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:16:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-28 13:16:01,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:16:01,210 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:16:01,218 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 13:16:01,312 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 13:16:01,312 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 13:16:01,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:16:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 13:16:01,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:16:01,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-11-28 13:16:01,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 13:16:01,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 13:16:01,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:16:01,444 INFO L87 Difference]: Start difference. First operand 1124 states and 1417 transitions. Second operand 14 states. [2018-11-28 13:16:02,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:16:02,619 INFO L93 Difference]: Finished difference Result 3011 states and 3989 transitions. [2018-11-28 13:16:02,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 13:16:02,620 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 189 [2018-11-28 13:16:02,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:16:02,628 INFO L225 Difference]: With dead ends: 3011 [2018-11-28 13:16:02,628 INFO L226 Difference]: Without dead ends: 2062 [2018-11-28 13:16:02,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-11-28 13:16:02,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2018-11-28 13:16:02,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 2042. [2018-11-28 13:16:02,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2042 states. [2018-11-28 13:16:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 2042 states and 2527 transitions. [2018-11-28 13:16:02,731 INFO L78 Accepts]: Start accepts. Automaton has 2042 states and 2527 transitions. Word has length 189 [2018-11-28 13:16:02,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:16:02,731 INFO L480 AbstractCegarLoop]: Abstraction has 2042 states and 2527 transitions. [2018-11-28 13:16:02,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 13:16:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2527 transitions. [2018-11-28 13:16:02,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-28 13:16:02,736 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:16:02,736 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-11-28 13:16:02,736 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:16:02,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:16:02,737 INFO L82 PathProgramCache]: Analyzing trace with hash -645601056, now seen corresponding path program 1 times [2018-11-28 13:16:02,737 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:16:02,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:16:02,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:16:02,737 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:16:02,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:16:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:16:02,865 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-28 13:16:02,865 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:16:02,865 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:16:02,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:16:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:16:02,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:16:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-28 13:16:03,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:16:03,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 13:16:03,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 13:16:03,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 13:16:03,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:16:03,058 INFO L87 Difference]: Start difference. First operand 2042 states and 2527 transitions. Second operand 13 states. [2018-11-28 13:16:03,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:16:03,199 INFO L93 Difference]: Finished difference Result 2821 states and 3468 transitions. [2018-11-28 13:16:03,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:16:03,200 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 189 [2018-11-28 13:16:03,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:16:03,200 INFO L225 Difference]: With dead ends: 2821 [2018-11-28 13:16:03,201 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:16:03,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:16:03,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:16:03,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:16:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:16:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:16:03,206 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2018-11-28 13:16:03,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:16:03,206 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:16:03,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 13:16:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:16:03,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:16:03,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:16:03,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:03,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:16:05,281 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 29 [2018-11-28 13:16:05,295 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 299 305) the Hoare annotation is: true [2018-11-28 13:16:05,295 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 299 305) no Hoare annotation was computed. [2018-11-28 13:16:05,295 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 306 314) no Hoare annotation was computed. [2018-11-28 13:16:05,295 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 306 314) the Hoare annotation is: true [2018-11-28 13:16:05,295 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 306 314) no Hoare annotation was computed. [2018-11-28 13:16:05,295 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-28 13:16:05,295 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 165) no Hoare annotation was computed. [2018-11-28 13:16:05,295 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 147 171) the Hoare annotation is: true [2018-11-28 13:16:05,295 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-11-28 13:16:05,296 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-28 13:16:05,296 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 168) no Hoare annotation was computed. [2018-11-28 13:16:05,296 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 147 171) no Hoare annotation was computed. [2018-11-28 13:16:05,296 INFO L451 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: true [2018-11-28 13:16:05,296 INFO L448 ceAbstractionStarter]: For program point L153-1(line 153) no Hoare annotation was computed. [2018-11-28 13:16:05,296 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 147 171) no Hoare annotation was computed. [2018-11-28 13:16:05,296 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-28 13:16:05,296 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-28 13:16:05,296 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:16:05,296 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:16:05,296 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:16:05,296 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:16:05,296 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-28 13:16:05,296 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-28 13:16:05,297 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 13:16:05,297 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 13:16:05,297 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-28 13:16:05,297 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 515 529) no Hoare annotation was computed. [2018-11-28 13:16:05,297 INFO L444 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (and (or (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-11-28 13:16:05,297 INFO L448 ceAbstractionStarter]: For program point L519(lines 519 525) no Hoare annotation was computed. [2018-11-28 13:16:05,297 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 515 529) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2)) (and (not (= ~systemActive~0 0)) .cse0)) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-11-28 13:16:05,297 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 515 529) no Hoare annotation was computed. [2018-11-28 13:16:05,297 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 432 440) no Hoare annotation was computed. [2018-11-28 13:16:05,297 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 432 440) the Hoare annotation is: true [2018-11-28 13:16:05,297 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 432 440) no Hoare annotation was computed. [2018-11-28 13:16:05,297 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 496 514) the Hoare annotation is: true [2018-11-28 13:16:05,297 INFO L448 ceAbstractionStarter]: For program point L505(lines 505 509) no Hoare annotation was computed. [2018-11-28 13:16:05,298 INFO L451 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: true [2018-11-28 13:16:05,298 INFO L448 ceAbstractionStarter]: For program point L505-2(lines 505 509) no Hoare annotation was computed. [2018-11-28 13:16:05,298 INFO L448 ceAbstractionStarter]: For program point L503-1(line 503) no Hoare annotation was computed. [2018-11-28 13:16:05,298 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 496 514) no Hoare annotation was computed. [2018-11-28 13:16:05,298 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 496 514) no Hoare annotation was computed. [2018-11-28 13:16:05,298 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 292 298) no Hoare annotation was computed. [2018-11-28 13:16:05,298 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 292 298) the Hoare annotation is: true [2018-11-28 13:16:05,298 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:16:05,298 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-28 13:16:05,298 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-28 13:16:05,298 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 413 420) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:16:05,298 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 413 420) no Hoare annotation was computed. [2018-11-28 13:16:05,298 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 413 420) no Hoare annotation was computed. [2018-11-28 13:16:05,298 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-28 13:16:05,299 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 401) no Hoare annotation was computed. [2018-11-28 13:16:05,299 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 380 404) no Hoare annotation was computed. [2018-11-28 13:16:05,299 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 380 404) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:16:05,299 INFO L444 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-28 13:16:05,299 INFO L448 ceAbstractionStarter]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2018-11-28 13:16:05,299 INFO L444 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:16:05,299 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 13:16:05,299 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 396) no Hoare annotation was computed. [2018-11-28 13:16:05,299 INFO L444 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 13:16:05,299 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 257 270) no Hoare annotation was computed. [2018-11-28 13:16:05,299 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-11-28 13:16:05,299 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 257 270) the Hoare annotation is: true [2018-11-28 13:16:05,299 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 257 270) no Hoare annotation was computed. [2018-11-28 13:16:05,299 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2018-11-28 13:16:05,300 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2018-11-28 13:16:05,300 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 531 596) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:16:05,300 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 547) no Hoare annotation was computed. [2018-11-28 13:16:05,300 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 531 596) no Hoare annotation was computed. [2018-11-28 13:16:05,300 INFO L444 ceAbstractionStarter]: At program point L589(lines 540 590) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:16:05,300 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:16:05,300 INFO L448 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-11-28 13:16:05,300 INFO L444 ceAbstractionStarter]: At program point L577-1(lines 571 584) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:16:05,300 INFO L448 ceAbstractionStarter]: For program point L542(lines 541 588) no Hoare annotation was computed. [2018-11-28 13:16:05,300 INFO L448 ceAbstractionStarter]: For program point L571(lines 571 584) no Hoare annotation was computed. [2018-11-28 13:16:05,300 INFO L444 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:16:05,300 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 567) no Hoare annotation was computed. [2018-11-28 13:16:05,301 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 561 567) no Hoare annotation was computed. [2018-11-28 13:16:05,301 INFO L444 ceAbstractionStarter]: At program point L586(lines 541 588) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:16:05,301 INFO L444 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:16:05,301 INFO L448 ceAbstractionStarter]: For program point L551(lines 551 557) no Hoare annotation was computed. [2018-11-28 13:16:05,301 INFO L448 ceAbstractionStarter]: For program point L551-1(lines 551 557) no Hoare annotation was computed. [2018-11-28 13:16:05,301 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 531 596) no Hoare annotation was computed. [2018-11-28 13:16:05,301 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 271 279) no Hoare annotation was computed. [2018-11-28 13:16:05,301 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 271 279) the Hoare annotation is: true [2018-11-28 13:16:05,301 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 271 279) no Hoare annotation was computed. [2018-11-28 13:16:05,301 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:16:05,301 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 13:16:05,301 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:16:05,301 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 405 412) no Hoare annotation was computed. [2018-11-28 13:16:05,301 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 405 412) no Hoare annotation was computed. [2018-11-28 13:16:05,302 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 405 412) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-11-28 13:16:05,302 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 477 495) no Hoare annotation was computed. [2018-11-28 13:16:05,302 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 490) no Hoare annotation was computed. [2018-11-28 13:16:05,302 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 477 495) the Hoare annotation is: true [2018-11-28 13:16:05,302 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 477 495) no Hoare annotation was computed. [2018-11-28 13:16:05,302 INFO L451 ceAbstractionStarter]: At program point L484(line 484) the Hoare annotation is: true [2018-11-28 13:16:05,302 INFO L448 ceAbstractionStarter]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2018-11-28 13:16:05,302 INFO L448 ceAbstractionStarter]: For program point L484-1(line 484) no Hoare annotation was computed. [2018-11-28 13:16:05,302 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 248 256) the Hoare annotation is: true [2018-11-28 13:16:05,302 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 248 256) no Hoare annotation was computed. [2018-11-28 13:16:05,302 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 248 256) no Hoare annotation was computed. [2018-11-28 13:16:05,302 INFO L448 ceAbstractionStarter]: For program point L208-1(lines 204 215) no Hoare annotation was computed. [2018-11-28 13:16:05,302 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 204 215) the Hoare annotation is: true [2018-11-28 13:16:05,302 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 204 215) no Hoare annotation was computed. [2018-11-28 13:16:05,302 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 322 345) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0) (or .cse0 (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)))) [2018-11-28 13:16:05,303 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0))) (let ((.cse1 (not .cse5)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (and (= 0 ~pumpRunning~0) .cse1 .cse2 .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse5 .cse6 (let ((.cse7 (+ ~waterLevel~0 1))) (and (<= .cse7 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse7) .cse3))) (or .cse4 .cse0 .cse6))))) [2018-11-28 13:16:05,303 INFO L444 ceAbstractionStarter]: At program point L333(lines 333 339) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse3 (= ~systemActive~0 0)) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse4 (and .cse1 (not .cse3) .cse6))) (and (let ((.cse5 (+ ~waterLevel~0 1))) (let ((.cse0 (<= .cse5 |old(~waterLevel~0)|)) (.cse2 (<= |old(~waterLevel~0)| .cse5))) (or (and .cse0 .cse1 .cse2) .cse3 .cse4 (< |old(~waterLevel~0)| 2) (and .cse0 (= 0 ~pumpRunning~0) .cse2)))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse4 (< |old(~waterLevel~0)| 1) (and .cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)))))) [2018-11-28 13:16:05,303 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 322 345) no Hoare annotation was computed. [2018-11-28 13:16:05,303 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2018-11-28 13:16:05,303 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 322 345) no Hoare annotation was computed. [2018-11-28 13:16:05,303 INFO L448 ceAbstractionStarter]: For program point L326(lines 325 344) no Hoare annotation was computed. [2018-11-28 13:16:05,303 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 13:16:05,303 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 13:16:05,303 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 13:16:05,303 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 13:16:05,303 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 13:16:05,303 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 13:16:05,303 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 13:16:05,304 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 13:16:05,304 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 13:16:05,304 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 13:16:05,304 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 180 191) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)) [2018-11-28 13:16:05,304 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 180 191) no Hoare annotation was computed. [2018-11-28 13:16:05,304 INFO L448 ceAbstractionStarter]: For program point L184-1(lines 180 191) no Hoare annotation was computed. [2018-11-28 13:16:05,304 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 13:16:05,304 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 13:16:05,304 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:16:05,304 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 13:16:05,304 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:16:05,304 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:16:05,304 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 13:16:05,304 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2018-11-28 13:16:05,305 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 13:16:05,305 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2018-11-28 13:16:05,305 INFO L444 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 13:16:05,305 INFO L444 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-11-28 13:16:05,305 INFO L448 ceAbstractionStarter]: For program point L362(lines 362 370) no Hoare annotation was computed. [2018-11-28 13:16:05,305 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-28 13:16:05,305 INFO L448 ceAbstractionStarter]: For program point L360-1(line 360) no Hoare annotation was computed. [2018-11-28 13:16:05,305 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 375) no Hoare annotation was computed. [2018-11-28 13:16:05,305 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 192 203) no Hoare annotation was computed. [2018-11-28 13:16:05,305 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 192 203) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-28 13:16:05,305 INFO L448 ceAbstractionStarter]: For program point L196-1(lines 192 203) no Hoare annotation was computed. [2018-11-28 13:16:05,305 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 598 605) no Hoare annotation was computed. [2018-11-28 13:16:05,305 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 598 605) the Hoare annotation is: true [2018-11-28 13:16:05,306 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2018-11-28 13:16:05,306 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 598 605) no Hoare annotation was computed. [2018-11-28 13:16:05,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:16:05 BoogieIcfgContainer [2018-11-28 13:16:05,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:16:05,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:16:05,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:16:05,317 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:16:05,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:15:53" (3/4) ... [2018-11-28 13:16:05,321 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:16:05,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:16:05,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:16:05,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:16:05,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:16:05,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 13:16:05,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:16:05,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:16:05,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:16:05,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:16:05,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:16:05,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:16:05,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:16:05,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:16:05,334 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 13:16:05,334 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 13:16:05,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:16:05,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:16:05,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:16:05,335 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:16:05,354 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-28 13:16:05,354 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 13:16:05,385 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e4c8bbeb-e56d-49ce-a2a8-ce229c39f4a4/bin-2019/uautomizer/witness.graphml [2018-11-28 13:16:05,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:16:05,386 INFO L168 Benchmark]: Toolchain (without parser) took 12399.87 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.7 MB). Free memory was 950.6 MB in the beginning and 1.3 GB in the end (delta: -364.7 MB). Peak memory consumption was 50.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:16:05,386 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:16:05,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:16:05,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:16:05,387 INFO L168 Benchmark]: Boogie Preprocessor took 24.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:16:05,387 INFO L168 Benchmark]: RCFGBuilder took 393.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:16:05,387 INFO L168 Benchmark]: TraceAbstraction took 11528.22 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 299.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -280.8 MB). Peak memory consumption was 458.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:16:05,388 INFO L168 Benchmark]: Witness Printer took 68.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:16:05,389 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 393.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11528.22 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 299.4 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -280.8 MB). Peak memory consumption was 458.5 MB. Max. memory is 11.5 GB. * Witness Printer took 68.17 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 602]: 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: 540]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 11.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 6.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1837 SDtfs, 2617 SDslu, 6209 SDs, 0 SdLazy, 6532 SolverSat, 1603 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1066 GetRequests, 904 SyntacticMatches, 5 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1118 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2042occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 687 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 3938 PreInvPairs, 4083 NumberOfFragments, 1006 HoareAnnotationTreeSize, 3938 FomulaSimplifications, 11121 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 61 FomulaSimplificationsInter, 13827 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1994 NumberOfCodeBlocks, 1994 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1977 ConstructedInterpolants, 0 QuantifiedInterpolants, 397058 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5067 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 600/650 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...