./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57_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_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/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 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:37:17,966 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:37:17,968 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:37:17,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:37:17,977 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:37:17,978 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:37:17,979 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:37:17,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:37:17,981 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:37:17,982 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:37:17,983 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:37:17,983 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:37:17,984 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:37:17,984 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:37:17,985 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:37:17,986 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:37:17,987 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:37:17,988 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:37:17,990 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:37:17,991 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:37:17,992 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:37:17,993 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:37:17,994 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:37:17,995 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:37:17,995 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:37:17,996 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:37:17,997 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:37:17,997 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:37:17,998 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:37:17,999 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:37:17,999 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:37:18,000 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:37:18,000 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:37:18,000 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:37:18,001 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:37:18,001 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:37:18,002 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:37:18,010 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:37:18,010 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:37:18,011 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:37:18,011 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:37:18,012 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:37:18,012 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:37:18,012 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:37:18,012 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:37:18,013 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:37:18,013 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:37:18,013 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:37:18,013 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:37:18,013 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:37:18,013 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:37:18,014 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:37:18,014 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:37:18,014 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:37:18,014 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:37:18,014 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:37:18,014 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:37:18,015 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:37:18,015 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:37:18,015 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:37:18,015 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:37:18,015 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:37:18,015 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:37:18,016 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:37:18,016 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:37:18,016 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:37:18,016 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:37:18,016 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_52d2f436-a243-4945-92f9-baa86149d7af/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 -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2018-11-28 11:37:18,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:37:18,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:37:18,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:37:18,059 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:37:18,059 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:37:18,060 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-28 11:37:18,114 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/data/9c37849c6/a22ba7c2923c4f38bc5103b53a6d7ce8/FLAG76e4978c9 [2018-11-28 11:37:18,475 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:37:18,475 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-28 11:37:18,482 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/data/9c37849c6/a22ba7c2923c4f38bc5103b53a6d7ce8/FLAG76e4978c9 [2018-11-28 11:37:18,874 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/data/9c37849c6/a22ba7c2923c4f38bc5103b53a6d7ce8 [2018-11-28 11:37:18,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:37:18,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:37:18,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:37:18,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:37:18,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:37:18,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:37:18" (1/1) ... [2018-11-28 11:37:18,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437cced4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:18, skipping insertion in model container [2018-11-28 11:37:18,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:37:18" (1/1) ... [2018-11-28 11:37:18,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:37:18,921 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:37:19,140 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:37:19,151 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:37:19,263 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:37:19,286 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:37:19,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19 WrapperNode [2018-11-28 11:37:19,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:37:19,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:37:19,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:37:19,288 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:37:19,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (1/1) ... [2018-11-28 11:37:19,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (1/1) ... [2018-11-28 11:37:19,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:37:19,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:37:19,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:37:19,316 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:37:19,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (1/1) ... [2018-11-28 11:37:19,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (1/1) ... [2018-11-28 11:37:19,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (1/1) ... [2018-11-28 11:37:19,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (1/1) ... [2018-11-28 11:37:19,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (1/1) ... [2018-11-28 11:37:19,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (1/1) ... [2018-11-28 11:37:19,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (1/1) ... [2018-11-28 11:37:19,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:37:19,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:37:19,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:37:19,349 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:37:19,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/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 11:37:19,401 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:37:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:37:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 11:37:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 11:37:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:37:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:37:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:37:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:37:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:37:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:37:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:37:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:37:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:37:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:37:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:37:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:37:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:37:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:37:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:37:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:37:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:37:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:37:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:37:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:37:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:37:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 11:37:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 11:37:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:37:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:37:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:37:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:37:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:37:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:37:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:37:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:37:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:37:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:37:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:37:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:37:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:37:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:37:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:37:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:37:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:37:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:37:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:37:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:37:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:37:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:37:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:37:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:37:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:37:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:37:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:37:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:37:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:37:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:37:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:37:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:37:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:37:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:37:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:37:19,863 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:37:19,864 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:37:19,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:19 BoogieIcfgContainer [2018-11-28 11:37:19,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:37:19,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:37:19,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:37:19,867 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:37:19,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:37:18" (1/3) ... [2018-11-28 11:37:19,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fb3bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:37:19, skipping insertion in model container [2018-11-28 11:37:19,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:19" (2/3) ... [2018-11-28 11:37:19,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fb3bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:37:19, skipping insertion in model container [2018-11-28 11:37:19,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:19" (3/3) ... [2018-11-28 11:37:19,870 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-28 11:37:19,878 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:37:19,885 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:37:19,897 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:37:19,922 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:37:19,922 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:37:19,922 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:37:19,922 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:37:19,923 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:37:19,923 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:37:19,923 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:37:19,923 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:37:19,923 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:37:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-11-28 11:37:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 11:37:19,949 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:37:19,949 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 11:37:19,951 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:37:19,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:19,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1585836956, now seen corresponding path program 1 times [2018-11-28 11:37:19,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:19,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:19,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:19,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:19,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:20,151 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 11:37:20,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:37:20,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:37:20,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:37:20,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:37:20,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:37:20,166 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-11-28 11:37:20,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:20,190 INFO L93 Difference]: Finished difference Result 286 states and 349 transitions. [2018-11-28 11:37:20,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:37:20,191 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 11:37:20,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:37:20,202 INFO L225 Difference]: With dead ends: 286 [2018-11-28 11:37:20,202 INFO L226 Difference]: Without dead ends: 143 [2018-11-28 11:37:20,204 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 11:37:20,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-28 11:37:20,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-28 11:37:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-28 11:37:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2018-11-28 11:37:20,240 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 46 [2018-11-28 11:37:20,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:37:20,241 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2018-11-28 11:37:20,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:37:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2018-11-28 11:37:20,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 11:37:20,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:37:20,244 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 11:37:20,244 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:37:20,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:20,244 INFO L82 PathProgramCache]: Analyzing trace with hash 215568744, now seen corresponding path program 1 times [2018-11-28 11:37:20,244 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:20,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:20,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:20,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:20,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:20,335 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 11:37:20,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:37:20,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:37:20,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:37:20,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:37:20,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:37:20,337 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand 3 states. [2018-11-28 11:37:20,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:20,358 INFO L93 Difference]: Finished difference Result 235 states and 271 transitions. [2018-11-28 11:37:20,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:37:20,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 11:37:20,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:37:20,360 INFO L225 Difference]: With dead ends: 235 [2018-11-28 11:37:20,360 INFO L226 Difference]: Without dead ends: 134 [2018-11-28 11:37:20,362 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 11:37:20,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-28 11:37:20,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-28 11:37:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-28 11:37:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 154 transitions. [2018-11-28 11:37:20,373 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 154 transitions. Word has length 47 [2018-11-28 11:37:20,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:37:20,375 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 154 transitions. [2018-11-28 11:37:20,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:37:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2018-11-28 11:37:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 11:37:20,377 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:37:20,377 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 11:37:20,377 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:37:20,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:20,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2137158565, now seen corresponding path program 1 times [2018-11-28 11:37:20,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:20,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:20,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:20,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:20,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:20,489 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 11:37:20,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:37:20,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:37:20,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:37:20,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:37:20,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:37:20,492 INFO L87 Difference]: Start difference. First operand 134 states and 154 transitions. Second operand 7 states. [2018-11-28 11:37:20,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:20,718 INFO L93 Difference]: Finished difference Result 244 states and 285 transitions. [2018-11-28 11:37:20,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:37:20,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 11:37:20,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:37:20,720 INFO L225 Difference]: With dead ends: 244 [2018-11-28 11:37:20,720 INFO L226 Difference]: Without dead ends: 134 [2018-11-28 11:37:20,720 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:37:20,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-28 11:37:20,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-28 11:37:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-28 11:37:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2018-11-28 11:37:20,731 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 51 [2018-11-28 11:37:20,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:37:20,731 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2018-11-28 11:37:20,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:37:20,732 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2018-11-28 11:37:20,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 11:37:20,733 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:37:20,733 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:37:20,734 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:37:20,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:20,734 INFO L82 PathProgramCache]: Analyzing trace with hash 146173488, now seen corresponding path program 1 times [2018-11-28 11:37:20,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:20,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:20,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:20,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:20,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:20,834 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 11:37:20,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:37:20,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:37:20,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:37:20,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:37:20,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:37:20,835 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 5 states. [2018-11-28 11:37:21,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:21,257 INFO L93 Difference]: Finished difference Result 340 states and 405 transitions. [2018-11-28 11:37:21,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:37:21,258 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-28 11:37:21,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:37:21,260 INFO L225 Difference]: With dead ends: 340 [2018-11-28 11:37:21,260 INFO L226 Difference]: Without dead ends: 230 [2018-11-28 11:37:21,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:37:21,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-28 11:37:21,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 212. [2018-11-28 11:37:21,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-11-28 11:37:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 240 transitions. [2018-11-28 11:37:21,288 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 240 transitions. Word has length 64 [2018-11-28 11:37:21,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:37:21,288 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 240 transitions. [2018-11-28 11:37:21,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:37:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 240 transitions. [2018-11-28 11:37:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 11:37:21,290 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:37:21,291 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:37:21,291 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:37:21,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:21,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1166900812, now seen corresponding path program 1 times [2018-11-28 11:37:21,291 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:21,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:21,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:21,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:21,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:21,415 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 11:37:21,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:37:21,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 11:37:21,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 11:37:21,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 11:37:21,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:37:21,417 INFO L87 Difference]: Start difference. First operand 212 states and 240 transitions. Second operand 10 states. [2018-11-28 11:37:21,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:21,836 INFO L93 Difference]: Finished difference Result 686 states and 844 transitions. [2018-11-28 11:37:21,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 11:37:21,836 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2018-11-28 11:37:21,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:37:21,840 INFO L225 Difference]: With dead ends: 686 [2018-11-28 11:37:21,841 INFO L226 Difference]: Without dead ends: 498 [2018-11-28 11:37:21,842 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 11:37:21,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2018-11-28 11:37:21,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 488. [2018-11-28 11:37:21,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2018-11-28 11:37:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 571 transitions. [2018-11-28 11:37:21,885 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 571 transitions. Word has length 78 [2018-11-28 11:37:21,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:37:21,886 INFO L480 AbstractCegarLoop]: Abstraction has 488 states and 571 transitions. [2018-11-28 11:37:21,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 11:37:21,886 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 571 transitions. [2018-11-28 11:37:21,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-28 11:37:21,889 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:37:21,890 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, 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] [2018-11-28 11:37:21,890 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:37:21,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:21,890 INFO L82 PathProgramCache]: Analyzing trace with hash 48523343, now seen corresponding path program 1 times [2018-11-28 11:37:21,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:21,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:21,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:21,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:21,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-28 11:37:22,011 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:37:22,011 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/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 11:37:22,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:22,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:37:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:37:22,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:37:22,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-11-28 11:37:22,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:37:22,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:37:22,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:37:22,294 INFO L87 Difference]: Start difference. First operand 488 states and 571 transitions. Second operand 13 states. [2018-11-28 11:37:24,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:24,500 INFO L93 Difference]: Finished difference Result 1285 states and 1668 transitions. [2018-11-28 11:37:24,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-11-28 11:37:24,500 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 136 [2018-11-28 11:37:24,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:37:24,505 INFO L225 Difference]: With dead ends: 1285 [2018-11-28 11:37:24,505 INFO L226 Difference]: Without dead ends: 934 [2018-11-28 11:37:24,507 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2018-11-28 11:37:24,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2018-11-28 11:37:24,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 821. [2018-11-28 11:37:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-28 11:37:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 998 transitions. [2018-11-28 11:37:24,567 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 998 transitions. Word has length 136 [2018-11-28 11:37:24,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:37:24,567 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 998 transitions. [2018-11-28 11:37:24,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:37:24,567 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 998 transitions. [2018-11-28 11:37:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-28 11:37:24,570 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:37:24,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:37:24,570 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:37:24,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:24,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1613287508, now seen corresponding path program 1 times [2018-11-28 11:37:24,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:24,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:24,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:24,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:24,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:24,659 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 11:37:24,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:37:24,659 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/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 11:37:24,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:24,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:37:24,811 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 11:37:24,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:37:24,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 11:37:24,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:37:24,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:37:24,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:37:24,840 INFO L87 Difference]: Start difference. First operand 821 states and 998 transitions. Second operand 6 states. [2018-11-28 11:37:24,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:24,922 INFO L93 Difference]: Finished difference Result 1646 states and 2076 transitions. [2018-11-28 11:37:24,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:37:24,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-28 11:37:24,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:37:24,929 INFO L225 Difference]: With dead ends: 1646 [2018-11-28 11:37:24,929 INFO L226 Difference]: Without dead ends: 849 [2018-11-28 11:37:24,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 2 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 11:37:24,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2018-11-28 11:37:24,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 841. [2018-11-28 11:37:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2018-11-28 11:37:24,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1022 transitions. [2018-11-28 11:37:24,997 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1022 transitions. Word has length 147 [2018-11-28 11:37:24,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:37:24,997 INFO L480 AbstractCegarLoop]: Abstraction has 841 states and 1022 transitions. [2018-11-28 11:37:24,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:37:24,997 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1022 transitions. [2018-11-28 11:37:25,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-28 11:37:25,000 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:37:25,000 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:37:25,001 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:37:25,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:25,001 INFO L82 PathProgramCache]: Analyzing trace with hash 775276522, now seen corresponding path program 1 times [2018-11-28 11:37:25,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:25,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:25,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:25,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:25,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:25,142 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 11:37:25,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:37:25,142 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/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 11:37:25,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:25,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:37:25,286 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 11:37:25,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:37:25,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 11:37:25,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 11:37:25,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 11:37:25,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:37:25,319 INFO L87 Difference]: Start difference. First operand 841 states and 1022 transitions. Second operand 11 states. [2018-11-28 11:37:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:25,370 INFO L93 Difference]: Finished difference Result 1482 states and 1842 transitions. [2018-11-28 11:37:25,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:37:25,372 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2018-11-28 11:37:25,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:37:25,374 INFO L225 Difference]: With dead ends: 1482 [2018-11-28 11:37:25,374 INFO L226 Difference]: Without dead ends: 665 [2018-11-28 11:37:25,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 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 11:37:25,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2018-11-28 11:37:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2018-11-28 11:37:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2018-11-28 11:37:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 800 transitions. [2018-11-28 11:37:25,399 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 800 transitions. Word has length 147 [2018-11-28 11:37:25,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:37:25,399 INFO L480 AbstractCegarLoop]: Abstraction has 665 states and 800 transitions. [2018-11-28 11:37:25,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 11:37:25,399 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 800 transitions. [2018-11-28 11:37:25,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-28 11:37:25,400 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:37:25,401 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:37:25,401 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:37:25,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:25,401 INFO L82 PathProgramCache]: Analyzing trace with hash -989551025, now seen corresponding path program 1 times [2018-11-28 11:37:25,401 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:25,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:25,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:25,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:25,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 11:37:25,510 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:37:25,510 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/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 11:37:25,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:25,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:37:25,667 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 11:37:25,683 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:37:25,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 11:37:25,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 11:37:25,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 11:37:25,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:37:25,684 INFO L87 Difference]: Start difference. First operand 665 states and 800 transitions. Second operand 14 states. [2018-11-28 11:37:26,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:26,893 INFO L93 Difference]: Finished difference Result 1474 states and 1876 transitions. [2018-11-28 11:37:26,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 11:37:26,894 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2018-11-28 11:37:26,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:37:26,896 INFO L225 Difference]: With dead ends: 1474 [2018-11-28 11:37:26,896 INFO L226 Difference]: Without dead ends: 892 [2018-11-28 11:37:26,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 11:37:26,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-11-28 11:37:26,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 755. [2018-11-28 11:37:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-11-28 11:37:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 892 transitions. [2018-11-28 11:37:26,926 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 892 transitions. Word has length 151 [2018-11-28 11:37:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:37:26,926 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 892 transitions. [2018-11-28 11:37:26,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 11:37:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 892 transitions. [2018-11-28 11:37:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-28 11:37:26,929 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:37:26,929 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:37:26,929 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:37:26,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:26,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1853477758, now seen corresponding path program 1 times [2018-11-28 11:37:26,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:26,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:26,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:26,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:26,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:27,030 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 11:37:27,030 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:37:27,030 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/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 11:37:27,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:27,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:37:27,158 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 11:37:27,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:37:27,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 11:37:27,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 11:37:27,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 11:37:27,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:37:27,176 INFO L87 Difference]: Start difference. First operand 755 states and 892 transitions. Second operand 13 states. [2018-11-28 11:37:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:27,218 INFO L93 Difference]: Finished difference Result 1002 states and 1186 transitions. [2018-11-28 11:37:27,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:37:27,219 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2018-11-28 11:37:27,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:37:27,219 INFO L225 Difference]: With dead ends: 1002 [2018-11-28 11:37:27,219 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:37:27,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:37:27,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:37:27,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:37:27,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:37:27,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:37:27,221 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2018-11-28 11:37:27,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:37:27,221 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:37:27,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 11:37:27,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:37:27,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:37:27,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:37:27,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:27,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:37:28,698 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 486 492) the Hoare annotation is: true [2018-11-28 11:37:28,698 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 486 492) no Hoare annotation was computed. [2018-11-28 11:37:28,698 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 493 501) no Hoare annotation was computed. [2018-11-28 11:37:28,698 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 493 501) the Hoare annotation is: true [2018-11-28 11:37:28,698 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 493 501) no Hoare annotation was computed. [2018-11-28 11:37:28,698 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2018-11-28 11:37:28,698 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-28 11:37:28,698 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2018-11-28 11:37:28,698 INFO L444 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-28 11:37:28,698 INFO L448 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2018-11-28 11:37:28,699 INFO L448 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2018-11-28 11:37:28,699 INFO L448 ceAbstractionStarter]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2018-11-28 11:37:28,699 INFO L451 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2018-11-28 11:37:28,699 INFO L448 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2018-11-28 11:37:28,699 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2018-11-28 11:37:28,699 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 575 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:37:28,699 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 575 597) no Hoare annotation was computed. [2018-11-28 11:37:28,699 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 575 597) no Hoare annotation was computed. [2018-11-28 11:37:28,699 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~7 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:37:28,699 INFO L444 ceAbstractionStarter]: At program point L587-1(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~7 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:37:28,699 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 592) no Hoare annotation was computed. [2018-11-28 11:37:28,699 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 585 592) no Hoare annotation was computed. [2018-11-28 11:37:28,699 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-28 11:37:28,700 INFO L444 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:37:28,700 INFO L444 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:37:28,700 INFO L444 ceAbstractionStarter]: At program point L581-1(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:37:28,700 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 250 258) no Hoare annotation was computed. [2018-11-28 11:37:28,700 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 250 258) the Hoare annotation is: true [2018-11-28 11:37:28,700 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 250 258) no Hoare annotation was computed. [2018-11-28 11:37:28,700 INFO L451 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: true [2018-11-28 11:37:28,700 INFO L448 ceAbstractionStarter]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2018-11-28 11:37:28,700 INFO L448 ceAbstractionStarter]: For program point L321-1(line 321) no Hoare annotation was computed. [2018-11-28 11:37:28,700 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 314 332) the Hoare annotation is: true [2018-11-28 11:37:28,700 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 314 332) no Hoare annotation was computed. [2018-11-28 11:37:28,700 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 327) no Hoare annotation was computed. [2018-11-28 11:37:28,700 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 314 332) no Hoare annotation was computed. [2018-11-28 11:37:28,700 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 479 485) no Hoare annotation was computed. [2018-11-28 11:37:28,701 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 479 485) the Hoare annotation is: true [2018-11-28 11:37:28,701 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 565 574) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:37:28,701 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 565 574) no Hoare annotation was computed. [2018-11-28 11:37:28,701 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 565 574) no Hoare annotation was computed. [2018-11-28 11:37:28,701 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 239 249) the Hoare annotation is: true [2018-11-28 11:37:28,701 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 239 249) no Hoare annotation was computed. [2018-11-28 11:37:28,701 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 239 249) no Hoare annotation was computed. [2018-11-28 11:37:28,701 INFO L451 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2018-11-28 11:37:28,701 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-11-28 11:37:28,701 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 231 238) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,701 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 231 238) no Hoare annotation was computed. [2018-11-28 11:37:28,701 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 231 238) no Hoare annotation was computed. [2018-11-28 11:37:28,701 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2018-11-28 11:37:28,701 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2018-11-28 11:37:28,701 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2018-11-28 11:37:28,702 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2018-11-28 11:37:28,702 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1))) [2018-11-28 11:37:28,702 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2018-11-28 11:37:28,702 INFO L444 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 11:37:28,702 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-28 11:37:28,702 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2018-11-28 11:37:28,702 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 180 204) no Hoare annotation was computed. [2018-11-28 11:37:28,702 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 180 204) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,702 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) .cse0))) [2018-11-28 11:37:28,702 INFO L448 ceAbstractionStarter]: For program point L199-1(lines 180 204) no Hoare annotation was computed. [2018-11-28 11:37:28,702 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,702 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 146 152) no Hoare annotation was computed. [2018-11-28 11:37:28,702 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 146 152) the Hoare annotation is: true [2018-11-28 11:37:28,703 INFO L444 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:37:28,703 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-11-28 11:37:28,703 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:37:28,703 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-11-28 11:37:28,703 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 11:37:28,703 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-11-28 11:37:28,703 INFO L444 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 11:37:28,703 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-11-28 11:37:28,703 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:37:28,703 INFO L448 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-11-28 11:37:28,703 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-11-28 11:37:28,703 INFO L444 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:37:28,704 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-28 11:37:28,704 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-28 11:37:28,704 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-11-28 11:37:28,704 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 11:37:28,704 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 205 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,704 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 205 212) no Hoare annotation was computed. [2018-11-28 11:37:28,704 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 205 212) no Hoare annotation was computed. [2018-11-28 11:37:28,704 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 455 463) no Hoare annotation was computed. [2018-11-28 11:37:28,704 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 455 463) the Hoare annotation is: true [2018-11-28 11:37:28,704 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 455 463) no Hoare annotation was computed. [2018-11-28 11:37:28,704 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:37:28,704 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 11:37:28,704 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:37:28,704 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,705 INFO L448 ceAbstractionStarter]: For program point L225-1(lines 214 230) no Hoare annotation was computed. [2018-11-28 11:37:28,705 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-11-28 11:37:28,705 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 214 230) no Hoare annotation was computed. [2018-11-28 11:37:28,705 INFO L444 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,705 INFO L448 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2018-11-28 11:37:28,705 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 214 230) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,705 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2018-11-28 11:37:28,705 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2018-11-28 11:37:28,705 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2018-11-28 11:37:28,705 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 295 313) no Hoare annotation was computed. [2018-11-28 11:37:28,705 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2018-11-28 11:37:28,705 INFO L451 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2018-11-28 11:37:28,705 INFO L448 ceAbstractionStarter]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2018-11-28 11:37:28,705 INFO L448 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-11-28 11:37:28,705 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 295 313) the Hoare annotation is: true [2018-11-28 11:37:28,706 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 295 313) no Hoare annotation was computed. [2018-11-28 11:37:28,706 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: true [2018-11-28 11:37:28,706 INFO L448 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2018-11-28 11:37:28,706 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2018-11-28 11:37:28,706 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2018-11-28 11:37:28,706 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2018-11-28 11:37:28,706 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2018-11-28 11:37:28,706 INFO L451 ceAbstractionStarter]: At program point L514-2(lines 514 528) the Hoare annotation is: true [2018-11-28 11:37:28,706 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 504 533) no Hoare annotation was computed. [2018-11-28 11:37:28,706 INFO L451 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: true [2018-11-28 11:37:28,706 INFO L448 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-11-28 11:37:28,706 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 504 533) the Hoare annotation is: true [2018-11-28 11:37:28,706 INFO L451 ceAbstractionStarter]: At program point L529(lines 504 533) the Hoare annotation is: true [2018-11-28 11:37:28,706 INFO L448 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2018-11-28 11:37:28,706 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2018-11-28 11:37:28,706 INFO L451 ceAbstractionStarter]: At program point L518-1(lines 518 522) the Hoare annotation is: true [2018-11-28 11:37:28,707 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 11:37:28,707 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-28 11:37:28,707 INFO L448 ceAbstractionStarter]: For program point L126(lines 125 144) no Hoare annotation was computed. [2018-11-28 11:37:28,707 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 122 145) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 11:37:28,707 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 122 145) no Hoare annotation was computed. [2018-11-28 11:37:28,707 INFO L444 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1) (or .cse3 .cse2)) (or (or .cse0 .cse2) .cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2018-11-28 11:37:28,707 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 122 145) no Hoare annotation was computed. [2018-11-28 11:37:28,707 INFO L444 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not .cse3)) (.cse2 (and (<= 2 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse2 (or (< |old(~waterLevel~0)| 2) .cse1)) (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse2)))) [2018-11-28 11:37:28,707 INFO L448 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-11-28 11:37:28,707 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-28 11:37:28,708 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2018-11-28 11:37:28,708 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 558 564) no Hoare annotation was computed. [2018-11-28 11:37:28,708 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 558 564) the Hoare annotation is: true [2018-11-28 11:37:28,708 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:37:28,708 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 11:37:28,708 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:37:28,708 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:37:28,708 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 154 178) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,708 INFO L444 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,708 INFO L448 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-11-28 11:37:28,708 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2018-11-28 11:37:28,708 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 154 178) no Hoare annotation was computed. [2018-11-28 11:37:28,708 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,708 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2018-11-28 11:37:28,708 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:37:28,709 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 11:37:28,709 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2018-11-28 11:37:28,709 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2018-11-28 11:37:28,709 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-11-28 11:37:28,709 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-11-28 11:37:28,709 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 965 972) no Hoare annotation was computed. [2018-11-28 11:37:28,709 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 965 972) the Hoare annotation is: true [2018-11-28 11:37:28,709 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-11-28 11:37:28,709 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 965 972) no Hoare annotation was computed. [2018-11-28 11:37:28,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:37:28 BoogieIcfgContainer [2018-11-28 11:37:28,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:37:28,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:37:28,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:37:28,719 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:37:28,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:19" (3/4) ... [2018-11-28 11:37:28,723 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:37:28,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:37:28,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:37:28,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:37:28,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:37:28,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:37:28,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:37:28,737 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 11:37:28,738 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:37:28,738 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:37:28,738 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:37:28,739 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:37:28,739 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:37:28,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (2 <= waterLevel && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-28 11:37:28,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-28 11:37:28,791 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_52d2f436-a243-4945-92f9-baa86149d7af/bin-2019/uautomizer/witness.graphml [2018-11-28 11:37:28,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:37:28,792 INFO L168 Benchmark]: Toolchain (without parser) took 9915.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 416.8 MB). Free memory was 950.0 MB in the beginning and 1.3 GB in the end (delta: -313.5 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:28,793 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:37:28,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:28,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:37:28,794 INFO L168 Benchmark]: Boogie Preprocessor took 32.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:28,794 INFO L168 Benchmark]: RCFGBuilder took 515.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:28,794 INFO L168 Benchmark]: TraceAbstraction took 8854.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 263.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -183.9 MB). Peak memory consumption was 525.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:28,794 INFO L168 Benchmark]: Witness Printer took 72.34 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:28,796 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 408.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 515.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8854.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 263.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -183.9 MB). Peak memory consumption was 525.3 MB. Max. memory is 11.5 GB. * Witness Printer took 72.34 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: 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: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (2 <= waterLevel && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 156 locations, 1 error locations. SAFE Result, 8.7s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1743 SDtfs, 2697 SDslu, 5651 SDs, 0 SdLazy, 5436 SolverSat, 1561 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 987 GetRequests, 835 SyntacticMatches, 3 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1421 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=841occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 286 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1729 PreInvPairs, 1774 NumberOfFragments, 947 HoareAnnotationTreeSize, 1729 FomulaSimplifications, 3765 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 64 FomulaSimplificationsInter, 4985 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1856 NumberOfCodeBlocks, 1856 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1841 ConstructedInterpolants, 0 QuantifiedInterpolants, 380131 SizeOfPredicates, 15 NumberOfNonLiveVariables, 4310 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 450/486 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...