./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 10:51:14,857 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 10:51:14,858 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 10:51:14,864 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 10:51:14,864 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 10:51:14,865 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 10:51:14,865 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 10:51:14,866 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 10:51:14,867 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 10:51:14,867 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 10:51:14,868 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 10:51:14,868 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 10:51:14,868 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 10:51:14,869 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 10:51:14,869 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 10:51:14,869 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 10:51:14,870 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 10:51:14,871 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 10:51:14,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 10:51:14,872 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 10:51:14,873 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 10:51:14,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 10:51:14,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 10:51:14,874 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 10:51:14,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 10:51:14,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 10:51:14,875 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 10:51:14,876 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 10:51:14,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 10:51:14,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 10:51:14,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 10:51:14,877 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 10:51:14,877 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 10:51:14,877 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 10:51:14,878 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 10:51:14,878 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 10:51:14,878 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 10:51:14,885 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 10:51:14,885 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 10:51:14,886 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 10:51:14,886 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 10:51:14,886 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 10:51:14,886 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 10:51:14,886 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 10:51:14,886 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 10:51:14,887 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 10:51:14,888 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 10:51:14,888 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 10:51:14,888 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 10:51:14,888 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 10:51:14,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:51:14,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 10:51:14,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 10:51:14,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 10:51:14,888 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 10:51:14,888 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 10:51:14,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 10:51:14,889 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_0467be44-8830-4851-ae6f-3bbc162eb223/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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2018-12-08 10:51:14,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 10:51:14,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 10:51:14,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 10:51:14,917 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 10:51:14,917 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 10:51:14,918 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-12-08 10:51:14,956 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/data/945088ca9/154b5875cbff4a4e9af5d175982938c9/FLAG08395be12 [2018-12-08 10:51:15,427 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 10:51:15,428 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/sv-benchmarks/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-12-08 10:51:15,434 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/data/945088ca9/154b5875cbff4a4e9af5d175982938c9/FLAG08395be12 [2018-12-08 10:51:15,443 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/data/945088ca9/154b5875cbff4a4e9af5d175982938c9 [2018-12-08 10:51:15,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 10:51:15,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 10:51:15,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 10:51:15,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 10:51:15,449 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 10:51:15,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8a763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15, skipping insertion in model container [2018-12-08 10:51:15,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 10:51:15,483 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 10:51:15,641 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:51:15,679 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 10:51:15,718 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:51:15,733 INFO L195 MainTranslator]: Completed translation [2018-12-08 10:51:15,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15 WrapperNode [2018-12-08 10:51:15,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 10:51:15,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 10:51:15,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 10:51:15,734 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 10:51:15,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 10:51:15,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 10:51:15,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 10:51:15,753 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 10:51:15,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (1/1) ... [2018-12-08 10:51:15,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 10:51:15,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 10:51:15,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 10:51:15,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 10:51:15,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/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 [2018-12-08 10:51:15,804 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 10:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 10:51:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 10:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 10:51:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 10:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 10:51:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 10:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 10:51:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 10:51:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 10:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 10:51:15,805 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 10:51:15,805 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 10:51:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 10:51:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 10:51:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 10:51:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 10:51:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 10:51:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 10:51:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 10:51:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 10:51:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 10:51:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 10:51:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 10:51:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 10:51:15,806 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 10:51:15,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 10:51:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 10:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 10:51:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 10:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 10:51:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 10:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 10:51:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 10:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 10:51:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 10:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 10:51:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 10:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 10:51:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 10:51:15,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 10:51:15,807 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 10:51:15,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 10:51:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 10:51:15,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 10:51:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 10:51:15,808 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 10:51:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 10:51:15,808 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 10:51:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 10:51:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 10:51:15,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 10:51:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 10:51:15,808 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 10:51:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 10:51:15,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 10:51:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 10:51:15,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 10:51:16,082 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 10:51:16,082 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 10:51:16,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:51:16 BoogieIcfgContainer [2018-12-08 10:51:16,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 10:51:16,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 10:51:16,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 10:51:16,085 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 10:51:16,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:51:15" (1/3) ... [2018-12-08 10:51:16,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202ca39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:51:16, skipping insertion in model container [2018-12-08 10:51:16,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:51:15" (2/3) ... [2018-12-08 10:51:16,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202ca39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:51:16, skipping insertion in model container [2018-12-08 10:51:16,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:51:16" (3/3) ... [2018-12-08 10:51:16,087 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2018-12-08 10:51:16,093 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 10:51:16,098 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 10:51:16,107 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 10:51:16,126 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 10:51:16,126 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 10:51:16,126 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 10:51:16,126 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 10:51:16,126 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 10:51:16,126 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 10:51:16,126 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 10:51:16,127 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 10:51:16,127 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 10:51:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-12-08 10:51:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 10:51:16,144 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:16,144 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] [2018-12-08 10:51:16,146 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:16,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:16,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1165860075, now seen corresponding path program 1 times [2018-12-08 10:51:16,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:16,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:16,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:16,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:16,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:16,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:51:16,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:51:16,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 10:51:16,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 10:51:16,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 10:51:16,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 10:51:16,301 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-12-08 10:51:16,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:16,324 INFO L93 Difference]: Finished difference Result 264 states and 325 transitions. [2018-12-08 10:51:16,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 10:51:16,325 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 10:51:16,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:16,332 INFO L225 Difference]: With dead ends: 264 [2018-12-08 10:51:16,332 INFO L226 Difference]: Without dead ends: 132 [2018-12-08 10:51:16,334 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 [2018-12-08 10:51:16,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-08 10:51:16,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-08 10:51:16,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-08 10:51:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2018-12-08 10:51:16,366 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 46 [2018-12-08 10:51:16,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:16,367 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2018-12-08 10:51:16,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 10:51:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2018-12-08 10:51:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 10:51:16,369 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:16,369 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] [2018-12-08 10:51:16,369 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:16,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:16,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1493628662, now seen corresponding path program 1 times [2018-12-08 10:51:16,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:16,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:16,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:16,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:16,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:16,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:51:16,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:51:16,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 10:51:16,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 10:51:16,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 10:51:16,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 10:51:16,428 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 3 states. [2018-12-08 10:51:16,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:16,440 INFO L93 Difference]: Finished difference Result 209 states and 243 transitions. [2018-12-08 10:51:16,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 10:51:16,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 10:51:16,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:16,442 INFO L225 Difference]: With dead ends: 209 [2018-12-08 10:51:16,442 INFO L226 Difference]: Without dead ends: 123 [2018-12-08 10:51:16,443 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 [2018-12-08 10:51:16,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-08 10:51:16,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-08 10:51:16,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-08 10:51:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-12-08 10:51:16,450 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 47 [2018-12-08 10:51:16,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:16,450 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-12-08 10:51:16,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 10:51:16,450 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-12-08 10:51:16,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 10:51:16,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:16,451 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:51:16,451 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:16,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:16,452 INFO L82 PathProgramCache]: Analyzing trace with hash -252850339, now seen corresponding path program 1 times [2018-12-08 10:51:16,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:16,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:16,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:16,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:16,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:51:16,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:51:16,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 10:51:16,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 10:51:16,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 10:51:16,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:51:16,527 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2018-12-08 10:51:16,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:16,684 INFO L93 Difference]: Finished difference Result 222 states and 261 transitions. [2018-12-08 10:51:16,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 10:51:16,685 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 10:51:16,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:16,686 INFO L225 Difference]: With dead ends: 222 [2018-12-08 10:51:16,686 INFO L226 Difference]: Without dead ends: 123 [2018-12-08 10:51:16,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 10:51:16,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-08 10:51:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-08 10:51:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-08 10:51:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2018-12-08 10:51:16,693 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 52 [2018-12-08 10:51:16,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:16,694 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2018-12-08 10:51:16,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 10:51:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2018-12-08 10:51:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 10:51:16,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:16,695 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] [2018-12-08 10:51:16,695 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:16,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:16,695 INFO L82 PathProgramCache]: Analyzing trace with hash 207379814, now seen corresponding path program 1 times [2018-12-08 10:51:16,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:16,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:16,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:16,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:16,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:16,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:51:16,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:51:16,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 10:51:16,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 10:51:16,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 10:51:16,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:51:16,763 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 5 states. [2018-12-08 10:51:17,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:17,019 INFO L93 Difference]: Finished difference Result 321 states and 385 transitions. [2018-12-08 10:51:17,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 10:51:17,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-08 10:51:17,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:17,021 INFO L225 Difference]: With dead ends: 321 [2018-12-08 10:51:17,021 INFO L226 Difference]: Without dead ends: 222 [2018-12-08 10:51:17,022 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 [2018-12-08 10:51:17,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-12-08 10:51:17,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 203. [2018-12-08 10:51:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-12-08 10:51:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 230 transitions. [2018-12-08 10:51:17,036 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 230 transitions. Word has length 65 [2018-12-08 10:51:17,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:17,036 INFO L480 AbstractCegarLoop]: Abstraction has 203 states and 230 transitions. [2018-12-08 10:51:17,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 10:51:17,036 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 230 transitions. [2018-12-08 10:51:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-08 10:51:17,037 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:17,037 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:51:17,037 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:17,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:17,038 INFO L82 PathProgramCache]: Analyzing trace with hash -284843833, now seen corresponding path program 1 times [2018-12-08 10:51:17,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:17,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:17,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:17,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:17,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:51:17,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:51:17,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 10:51:17,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 10:51:17,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 10:51:17,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 10:51:17,118 INFO L87 Difference]: Start difference. First operand 203 states and 230 transitions. Second operand 10 states. [2018-12-08 10:51:17,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:17,445 INFO L93 Difference]: Finished difference Result 650 states and 804 transitions. [2018-12-08 10:51:17,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 10:51:17,446 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-12-08 10:51:17,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:17,449 INFO L225 Difference]: With dead ends: 650 [2018-12-08 10:51:17,449 INFO L226 Difference]: Without dead ends: 471 [2018-12-08 10:51:17,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-08 10:51:17,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2018-12-08 10:51:17,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 461. [2018-12-08 10:51:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-12-08 10:51:17,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 541 transitions. [2018-12-08 10:51:17,483 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 541 transitions. Word has length 79 [2018-12-08 10:51:17,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:17,484 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 541 transitions. [2018-12-08 10:51:17,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 10:51:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 541 transitions. [2018-12-08 10:51:17,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 10:51:17,487 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:17,487 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] [2018-12-08 10:51:17,487 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:17,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:17,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1543926552, now seen corresponding path program 1 times [2018-12-08 10:51:17,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:17,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:17,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:17,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:17,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 10:51:17,559 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:51:17,559 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/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 [2018-12-08 10:51:17,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:17,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:51:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 10:51:17,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:51:17,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-08 10:51:17,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 10:51:17,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 10:51:17,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:51:17,704 INFO L87 Difference]: Start difference. First operand 461 states and 541 transitions. Second operand 6 states. [2018-12-08 10:51:17,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:17,741 INFO L93 Difference]: Finished difference Result 913 states and 1093 transitions. [2018-12-08 10:51:17,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 10:51:17,741 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-12-08 10:51:17,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:17,743 INFO L225 Difference]: With dead ends: 913 [2018-12-08 10:51:17,743 INFO L226 Difference]: Without dead ends: 476 [2018-12-08 10:51:17,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:51:17,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-12-08 10:51:17,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2018-12-08 10:51:17,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2018-12-08 10:51:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 557 transitions. [2018-12-08 10:51:17,771 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 557 transitions. Word has length 130 [2018-12-08 10:51:17,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:17,772 INFO L480 AbstractCegarLoop]: Abstraction has 476 states and 557 transitions. [2018-12-08 10:51:17,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 10:51:17,772 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 557 transitions. [2018-12-08 10:51:17,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 10:51:17,775 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:17,775 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] [2018-12-08 10:51:17,775 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:17,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:17,776 INFO L82 PathProgramCache]: Analyzing trace with hash 401424086, now seen corresponding path program 1 times [2018-12-08 10:51:17,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:17,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:17,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:17,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:17,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 10:51:17,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:51:17,842 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/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 [2018-12-08 10:51:17,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:17,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:51:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 10:51:17,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:51:17,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-08 10:51:17,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 10:51:17,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 10:51:17,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 10:51:17,999 INFO L87 Difference]: Start difference. First operand 476 states and 557 transitions. Second operand 11 states. [2018-12-08 10:51:18,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:18,040 INFO L93 Difference]: Finished difference Result 856 states and 1027 transitions. [2018-12-08 10:51:18,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:51:18,041 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2018-12-08 10:51:18,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:18,043 INFO L225 Difference]: With dead ends: 856 [2018-12-08 10:51:18,043 INFO L226 Difference]: Without dead ends: 404 [2018-12-08 10:51:18,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 10:51:18,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-12-08 10:51:18,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2018-12-08 10:51:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2018-12-08 10:51:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 466 transitions. [2018-12-08 10:51:18,067 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 466 transitions. Word has length 130 [2018-12-08 10:51:18,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:18,067 INFO L480 AbstractCegarLoop]: Abstraction has 404 states and 466 transitions. [2018-12-08 10:51:18,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 10:51:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 466 transitions. [2018-12-08 10:51:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 10:51:18,069 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:18,070 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:51:18,070 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:18,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:18,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1271729519, now seen corresponding path program 1 times [2018-12-08 10:51:18,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:18,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:18,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:18,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:18,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 10:51:18,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:51:18,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 10:51:18,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 10:51:18,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 10:51:18,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:51:18,133 INFO L87 Difference]: Start difference. First operand 404 states and 466 transitions. Second operand 6 states. [2018-12-08 10:51:18,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:18,169 INFO L93 Difference]: Finished difference Result 733 states and 858 transitions. [2018-12-08 10:51:18,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 10:51:18,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-08 10:51:18,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:18,171 INFO L225 Difference]: With dead ends: 733 [2018-12-08 10:51:18,171 INFO L226 Difference]: Without dead ends: 414 [2018-12-08 10:51:18,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:51:18,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-12-08 10:51:18,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2018-12-08 10:51:18,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-12-08 10:51:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 476 transitions. [2018-12-08 10:51:18,184 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 476 transitions. Word has length 134 [2018-12-08 10:51:18,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:18,185 INFO L480 AbstractCegarLoop]: Abstraction has 414 states and 476 transitions. [2018-12-08 10:51:18,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 10:51:18,185 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 476 transitions. [2018-12-08 10:51:18,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 10:51:18,186 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:18,186 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:51:18,187 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:18,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:18,187 INFO L82 PathProgramCache]: Analyzing trace with hash -939121689, now seen corresponding path program 1 times [2018-12-08 10:51:18,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:18,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:18,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:18,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:18,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:18,234 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 10:51:18,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:51:18,234 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/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 [2018-12-08 10:51:18,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:18,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:51:18,360 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:51:18,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:51:18,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-08 10:51:18,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 10:51:18,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 10:51:18,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:51:18,387 INFO L87 Difference]: Start difference. First operand 414 states and 476 transitions. Second operand 6 states. [2018-12-08 10:51:18,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:18,774 INFO L93 Difference]: Finished difference Result 871 states and 1042 transitions. [2018-12-08 10:51:18,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:51:18,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-12-08 10:51:18,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:18,776 INFO L225 Difference]: With dead ends: 871 [2018-12-08 10:51:18,777 INFO L226 Difference]: Without dead ends: 542 [2018-12-08 10:51:18,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-08 10:51:18,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-12-08 10:51:18,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 493. [2018-12-08 10:51:18,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-12-08 10:51:18,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 572 transitions. [2018-12-08 10:51:18,800 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 572 transitions. Word has length 138 [2018-12-08 10:51:18,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:18,800 INFO L480 AbstractCegarLoop]: Abstraction has 493 states and 572 transitions. [2018-12-08 10:51:18,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 10:51:18,800 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 572 transitions. [2018-12-08 10:51:18,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 10:51:18,801 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:18,802 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:51:18,802 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:18,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:18,802 INFO L82 PathProgramCache]: Analyzing trace with hash 762256429, now seen corresponding path program 1 times [2018-12-08 10:51:18,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:18,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:18,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:18,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:18,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 10:51:18,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:51:18,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 10:51:18,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 10:51:18,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 10:51:18,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:51:18,850 INFO L87 Difference]: Start difference. First operand 493 states and 572 transitions. Second operand 6 states. [2018-12-08 10:51:18,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:18,948 INFO L93 Difference]: Finished difference Result 504 states and 583 transitions. [2018-12-08 10:51:18,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:51:18,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-08 10:51:18,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:18,951 INFO L225 Difference]: With dead ends: 504 [2018-12-08 10:51:18,951 INFO L226 Difference]: Without dead ends: 501 [2018-12-08 10:51:18,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 10:51:18,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-12-08 10:51:18,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 493. [2018-12-08 10:51:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-12-08 10:51:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 570 transitions. [2018-12-08 10:51:18,970 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 570 transitions. Word has length 134 [2018-12-08 10:51:18,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:18,971 INFO L480 AbstractCegarLoop]: Abstraction has 493 states and 570 transitions. [2018-12-08 10:51:18,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 10:51:18,971 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 570 transitions. [2018-12-08 10:51:18,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 10:51:18,972 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:18,972 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] [2018-12-08 10:51:18,972 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:18,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:18,972 INFO L82 PathProgramCache]: Analyzing trace with hash -559589397, now seen corresponding path program 1 times [2018-12-08 10:51:18,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:18,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:18,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:18,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:18,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 10:51:19,040 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:51:19,040 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/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 [2018-12-08 10:51:19,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:19,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:51:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:51:19,197 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 10:51:19,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-12-08 10:51:19,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 10:51:19,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 10:51:19,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-08 10:51:19,198 INFO L87 Difference]: Start difference. First operand 493 states and 570 transitions. Second operand 14 states. [2018-12-08 10:51:20,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:20,002 INFO L93 Difference]: Finished difference Result 1165 states and 1493 transitions. [2018-12-08 10:51:20,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 10:51:20,003 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2018-12-08 10:51:20,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:20,005 INFO L225 Difference]: With dead ends: 1165 [2018-12-08 10:51:20,005 INFO L226 Difference]: Without dead ends: 759 [2018-12-08 10:51:20,006 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-12-08 10:51:20,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2018-12-08 10:51:20,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 586. [2018-12-08 10:51:20,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-12-08 10:51:20,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 678 transitions. [2018-12-08 10:51:20,027 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 678 transitions. Word has length 138 [2018-12-08 10:51:20,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:20,028 INFO L480 AbstractCegarLoop]: Abstraction has 586 states and 678 transitions. [2018-12-08 10:51:20,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 10:51:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 678 transitions. [2018-12-08 10:51:20,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 10:51:20,029 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:20,029 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:51:20,029 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:20,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:20,030 INFO L82 PathProgramCache]: Analyzing trace with hash -696168030, now seen corresponding path program 2 times [2018-12-08 10:51:20,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:20,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:20,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:20,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:20,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-08 10:51:20,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:51:20,106 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/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 [2018-12-08 10:51:20,112 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 10:51:20,191 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 10:51:20,191 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 10:51:20,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:51:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 10:51:20,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:51:20,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-12-08 10:51:20,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 10:51:20,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 10:51:20,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-08 10:51:20,321 INFO L87 Difference]: Start difference. First operand 586 states and 678 transitions. Second operand 14 states. [2018-12-08 10:51:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:21,295 INFO L93 Difference]: Finished difference Result 1447 states and 1745 transitions. [2018-12-08 10:51:21,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 10:51:21,295 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 192 [2018-12-08 10:51:21,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:21,298 INFO L225 Difference]: With dead ends: 1447 [2018-12-08 10:51:21,298 INFO L226 Difference]: Without dead ends: 946 [2018-12-08 10:51:21,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-12-08 10:51:21,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2018-12-08 10:51:21,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 921. [2018-12-08 10:51:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2018-12-08 10:51:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1061 transitions. [2018-12-08 10:51:21,325 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1061 transitions. Word has length 192 [2018-12-08 10:51:21,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:21,326 INFO L480 AbstractCegarLoop]: Abstraction has 921 states and 1061 transitions. [2018-12-08 10:51:21,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 10:51:21,326 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1061 transitions. [2018-12-08 10:51:21,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 10:51:21,327 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:51:21,327 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:51:21,327 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:51:21,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:51:21,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1640224480, now seen corresponding path program 1 times [2018-12-08 10:51:21,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:51:21,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:51:21,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:21,328 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 10:51:21,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:51:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:21,395 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-08 10:51:21,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:51:21,395 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 10:51:21,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:51:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:51:21,482 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:51:21,528 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 10:51:21,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:51:21,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-08 10:51:21,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 10:51:21,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 10:51:21,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 10:51:21,554 INFO L87 Difference]: Start difference. First operand 921 states and 1061 transitions. Second operand 13 states. [2018-12-08 10:51:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:51:21,603 INFO L93 Difference]: Finished difference Result 1230 states and 1413 transitions. [2018-12-08 10:51:21,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 10:51:21,604 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2018-12-08 10:51:21,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:51:21,604 INFO L225 Difference]: With dead ends: 1230 [2018-12-08 10:51:21,604 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 10:51:21,606 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-08 10:51:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 10:51:21,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 10:51:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 10:51:21,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 10:51:21,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2018-12-08 10:51:21,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:51:21,606 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 10:51:21,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 10:51:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 10:51:21,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 10:51:21,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 10:51:21,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:21,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:51:22,864 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 566 572) the Hoare annotation is: true [2018-12-08 10:51:22,864 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 566 572) no Hoare annotation was computed. [2018-12-08 10:51:22,864 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 573 581) no Hoare annotation was computed. [2018-12-08 10:51:22,864 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 573 581) the Hoare annotation is: true [2018-12-08 10:51:22,864 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 573 581) no Hoare annotation was computed. [2018-12-08 10:51:22,864 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2018-12-08 10:51:22,864 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2018-12-08 10:51:22,864 INFO L451 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2018-12-08 10:51:22,865 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2018-12-08 10:51:22,865 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-12-08 10:51:22,865 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2018-12-08 10:51:22,865 INFO L444 ceAbstractionStarter]: At program point L423(line 423) 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))) [2018-12-08 10:51:22,865 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-12-08 10:51:22,865 INFO L444 ceAbstractionStarter]: At program point L419(line 419) 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))) [2018-12-08 10:51:22,865 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-12-08 10:51:22,865 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:51:22,865 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2018-12-08 10:51:22,865 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~4 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 10:51:22,865 INFO L444 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~4 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 10:51:22,865 INFO L448 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2018-12-08 10:51:22,865 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2018-12-08 10:51:22,865 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2018-12-08 10:51:22,865 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-08 10:51:22,865 INFO L444 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:51:22,865 INFO L444 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:51:22,865 INFO L444 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 807 815) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 807 815) the Hoare annotation is: true [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 807 815) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 871 889) the Hoare annotation is: true [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 871 889) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 871 889) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 559 565) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 559 565) the Hoare annotation is: true [2018-12-08 10:51:22,866 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 788 795) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 788 795) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 788 795) no Hoare annotation was computed. [2018-12-08 10:51:22,866 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-08 10:51:22,866 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1)) (< ~waterLevel~0 1) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-08 10:51:22,866 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) .cse1))) [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-08 10:51:22,867 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1))) [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 677) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 667 680) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 667 680) the Hoare annotation is: true [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 667 680) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2018-12-08 10:51:22,867 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 899 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:51:22,867 INFO L444 ceAbstractionStarter]: At program point L954(lines 909 956) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2018-12-08 10:51:22,867 INFO L444 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 10:51:22,867 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 925) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 899 964) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point L911(lines 911 915) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L444 ceAbstractionStarter]: At program point L957(lines 908 958) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 951) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L444 ceAbstractionStarter]: At program point L947-2(lines 939 952) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point L910(lines 909 956) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L444 ceAbstractionStarter]: At program point L941(line 941) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 952) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L444 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 899 964) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 681 689) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 681 689) the Hoare annotation is: true [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 681 689) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 10:51:22,868 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)) [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 10:51:22,868 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 852 870) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L451 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point L859-1(line 859) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 852 870) the Hoare annotation is: true [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 852 870) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 658 666) the Hoare annotation is: true [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 658 666) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 658 666) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 614 625) the Hoare annotation is: true [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 614 625) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (or .cse1 .cse2) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-12-08 10:51:22,869 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< |old(~waterLevel~0)| 2) .cse1)) (or .cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-08 10:51:22,869 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (let ((.cse1 (+ ~waterLevel~0 1))) (and (<= .cse1 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse1) .cse0)) (or (< |old(~waterLevel~0)| 2) .cse2)) (or .cse3 (< |old(~waterLevel~0)| 1) .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (or .cse0 (or .cse3 .cse2 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-08 10:51:22,870 INFO L444 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~systemActive~0 1))) (let ((.cse0 (not .cse4)) (.cse2 (and (<= 2 ~waterLevel~0) .cse1 .cse4))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0 (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2) (or (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= .cse3 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| .cse3))) (or (< |old(~waterLevel~0)| 2) .cse0) .cse2)))) [2018-12-08 10:51:22,870 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L451 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2018-12-08 10:51:22,870 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2018-12-08 10:51:22,870 INFO L451 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2018-12-08 10:51:22,870 INFO L448 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L451 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2018-12-08 10:51:22,870 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L448 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L451 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2018-12-08 10:51:22,870 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 590 601) the Hoare annotation is: (or (or (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| 2) (not (= ~systemActive~0 1))) (= ~waterLevel~0 |old(~waterLevel~0)|)) [2018-12-08 10:51:22,870 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 590 601) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2018-12-08 10:51:22,870 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 10:51:22,870 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-08 10:51:22,871 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 890 897) no Hoare annotation was computed. [2018-12-08 10:51:22,871 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 890 897) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1 (not (= ~waterLevel~0 1)))) (or .cse0 (or (< ~waterLevel~0 2) .cse1)))) [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 890 897) no Hoare annotation was computed. [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-12-08 10:51:22,871 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 10:51:22,871 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-12-08 10:51:22,871 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-12-08 10:51:22,871 INFO L444 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 1)))) (or (or .cse1 (< ~waterLevel~0 2) .cse2) .cse0))) [2018-12-08 10:51:22,871 INFO L444 ceAbstractionStarter]: At program point L739(line 739) 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))) [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 602 613) no Hoare annotation was computed. [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-12-08 10:51:22,871 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 602 613) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1 (not (= |old(~waterLevel~0)| 1)))) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2018-12-08 10:51:22,871 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2018-12-08 10:51:22,872 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2018-12-08 10:51:22,872 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2018-12-08 10:51:22,872 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2018-12-08 10:51:22,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:51:22 BoogieIcfgContainer [2018-12-08 10:51:22,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 10:51:22,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 10:51:22,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 10:51:22,880 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 10:51:22,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:51:16" (3/4) ... [2018-12-08 10:51:22,882 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 10:51:22,887 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 10:51:22,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 10:51:22,893 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 10:51:22,893 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 10:51:22,893 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 10:51:22,893 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 10:51:22,894 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 10:51:22,894 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 10:51:22,911 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0) [2018-12-08 10:51:22,911 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 10:51:22,932 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0467be44-8830-4851-ae6f-3bbc162eb223/bin-2019/uautomizer/witness.graphml [2018-12-08 10:51:22,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 10:51:22,932 INFO L168 Benchmark]: Toolchain (without parser) took 7487.34 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 399.0 MB). Free memory was 951.7 MB in the beginning and 1.4 GB in the end (delta: -401.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:51:22,933 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:51:22,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 10:51:22,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.32 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. [2018-12-08 10:51:22,933 INFO L168 Benchmark]: Boogie Preprocessor took 20.03 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 10:51:22,934 INFO L168 Benchmark]: RCFGBuilder took 309.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-12-08 10:51:22,934 INFO L168 Benchmark]: TraceAbstraction took 6796.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 266.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -300.7 MB). Peak memory consumption was 536.5 MB. Max. memory is 11.5 GB. [2018-12-08 10:51:22,934 INFO L168 Benchmark]: Witness Printer took 52.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-08 10:51:22,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.32 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 20.03 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 309.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6796.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 266.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -300.7 MB). Peak memory consumption was 536.5 MB. Max. memory is 11.5 GB. * Witness Printer took 52.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 908]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2097 SDtfs, 1699 SDslu, 6429 SDs, 0 SdLazy, 4276 SolverSat, 843 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1087 GetRequests, 954 SyntacticMatches, 5 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=921occurred in iteration=12, 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, 13 MinimizatonAttempts, 284 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1665 PreInvPairs, 1719 NumberOfFragments, 1040 HoareAnnotationTreeSize, 1665 FomulaSimplifications, 4028 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5523 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2397 NumberOfCodeBlocks, 2397 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2378 ConstructedInterpolants, 0 QuantifiedInterpolants, 470717 SizeOfPredicates, 15 NumberOfNonLiveVariables, 5242 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 671/714 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...