./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/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 99a0574ff0f23dd43b458f22f446fd063a15f78d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:17:37,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:17:37,862 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:17:37,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:17:37,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:17:37,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:17:37,872 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:17:37,873 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:17:37,874 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:17:37,874 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:17:37,875 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:17:37,875 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:17:37,876 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:17:37,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:17:37,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:17:37,878 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:17:37,879 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:17:37,880 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:17:37,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:17:37,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:17:37,883 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:17:37,884 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:17:37,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:17:37,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:17:37,885 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:17:37,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:17:37,886 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:17:37,887 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:17:37,887 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:17:37,888 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:17:37,888 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:17:37,889 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:17:37,889 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:17:37,889 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:17:37,890 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:17:37,890 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:17:37,890 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:17:37,898 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:17:37,898 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:17:37,899 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:17:37,899 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:17:37,899 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:17:37,899 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:17:37,899 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:17:37,900 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:17:37,900 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:17:37,900 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:17:37,900 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:17:37,900 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:17:37,900 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:17:37,900 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:17:37,901 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:17:37,901 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:17:37,901 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:17:37,901 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:17:37,901 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:17:37,901 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:17:37,902 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:17:37,902 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:17:37,902 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:17:37,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:17:37,902 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:17:37,902 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:17:37,902 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:17:37,902 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:17:37,903 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:17:37,903 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:17:37,903 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_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/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 -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2018-11-23 06:17:37,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:17:37,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:17:37,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:17:37,945 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:17:37,945 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:17:37,945 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-23 06:17:37,993 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/data/fd42c735c/ed7a96c0c3ed42bb8880859b559d4ae3/FLAG9d3124b74 [2018-11-23 06:17:38,348 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:17:38,349 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-23 06:17:38,357 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/data/fd42c735c/ed7a96c0c3ed42bb8880859b559d4ae3/FLAG9d3124b74 [2018-11-23 06:17:38,755 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/data/fd42c735c/ed7a96c0c3ed42bb8880859b559d4ae3 [2018-11-23 06:17:38,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:17:38,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:17:38,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:17:38,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:17:38,762 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:17:38,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:17:38" (1/1) ... [2018-11-23 06:17:38,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2582a661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:38, skipping insertion in model container [2018-11-23 06:17:38,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:17:38" (1/1) ... [2018-11-23 06:17:38,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:17:38,802 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:17:39,005 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:17:39,013 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:17:39,123 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:17:39,143 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:17:39,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39 WrapperNode [2018-11-23 06:17:39,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:17:39,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:17:39,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:17:39,145 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:17:39,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (1/1) ... [2018-11-23 06:17:39,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (1/1) ... [2018-11-23 06:17:39,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:17:39,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:17:39,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:17:39,170 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:17:39,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (1/1) ... [2018-11-23 06:17:39,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (1/1) ... [2018-11-23 06:17:39,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (1/1) ... [2018-11-23 06:17:39,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (1/1) ... [2018-11-23 06:17:39,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (1/1) ... [2018-11-23 06:17:39,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (1/1) ... [2018-11-23 06:17:39,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (1/1) ... [2018-11-23 06:17:39,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:17:39,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:17:39,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:17:39,206 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:17:39,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:17:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 06:17:39,252 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 06:17:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:17:39,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:17:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:17:39,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:17:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 06:17:39,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 06:17:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:17:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 06:17:39,253 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 06:17:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 06:17:39,253 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 06:17:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 06:17:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 06:17:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 06:17:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 06:17:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 06:17:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 06:17:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 06:17:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 06:17:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 06:17:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 06:17:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 06:17:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 06:17:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 06:17:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 06:17:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 06:17:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 06:17:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 06:17:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 06:17:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 06:17:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 06:17:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 06:17:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 06:17:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 06:17:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 06:17:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 06:17:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 06:17:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 06:17:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 06:17:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 06:17:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 06:17:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 06:17:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 06:17:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 06:17:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 06:17:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 06:17:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 06:17:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 06:17:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 06:17:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 06:17:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 06:17:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 06:17:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 06:17:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 06:17:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:17:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:17:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 06:17:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 06:17:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 06:17:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 06:17:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:17:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:17:39,754 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:17:39,754 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 06:17:39,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:17:39 BoogieIcfgContainer [2018-11-23 06:17:39,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:17:39,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:17:39,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:17:39,758 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:17:39,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:17:38" (1/3) ... [2018-11-23 06:17:39,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e97f067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:17:39, skipping insertion in model container [2018-11-23 06:17:39,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:17:39" (2/3) ... [2018-11-23 06:17:39,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e97f067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:17:39, skipping insertion in model container [2018-11-23 06:17:39,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:17:39" (3/3) ... [2018-11-23 06:17:39,760 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-23 06:17:39,767 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:17:39,773 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:17:39,783 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:17:39,805 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:17:39,806 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:17:39,806 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:17:39,806 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:17:39,806 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:17:39,806 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:17:39,807 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:17:39,807 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:17:39,807 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:17:39,822 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2018-11-23 06:17:39,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 06:17:39,829 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:39,830 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:17:39,832 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:39,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:39,836 INFO L82 PathProgramCache]: Analyzing trace with hash 345966289, now seen corresponding path program 1 times [2018-11-23 06:17:39,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:39,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:39,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:39,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:39,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:17:40,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:17:40,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:17:40,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:17:40,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:17:40,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:17:40,040 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2018-11-23 06:17:40,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:40,075 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2018-11-23 06:17:40,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:17:40,076 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 06:17:40,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:40,087 INFO L225 Difference]: With dead ends: 294 [2018-11-23 06:17:40,088 INFO L226 Difference]: Without dead ends: 147 [2018-11-23 06:17:40,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:17:40,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-23 06:17:40,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-23 06:17:40,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-23 06:17:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 170 transitions. [2018-11-23 06:17:40,138 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 170 transitions. Word has length 46 [2018-11-23 06:17:40,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:40,139 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 170 transitions. [2018-11-23 06:17:40,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:17:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 170 transitions. [2018-11-23 06:17:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 06:17:40,141 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:40,142 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:17:40,142 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:40,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:40,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1633337234, now seen corresponding path program 1 times [2018-11-23 06:17:40,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:40,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:40,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:40,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:40,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:17:40,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:17:40,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:17:40,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:17:40,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:17:40,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:17:40,225 INFO L87 Difference]: Start difference. First operand 147 states and 170 transitions. Second operand 3 states. [2018-11-23 06:17:40,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:40,245 INFO L93 Difference]: Finished difference Result 239 states and 275 transitions. [2018-11-23 06:17:40,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:17:40,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 06:17:40,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:40,247 INFO L225 Difference]: With dead ends: 239 [2018-11-23 06:17:40,247 INFO L226 Difference]: Without dead ends: 138 [2018-11-23 06:17:40,248 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:17:40,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-23 06:17:40,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-23 06:17:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-23 06:17:40,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2018-11-23 06:17:40,257 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 47 [2018-11-23 06:17:40,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:40,258 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2018-11-23 06:17:40,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:17:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2018-11-23 06:17:40,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 06:17:40,259 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:40,259 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:17:40,259 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:40,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:40,259 INFO L82 PathProgramCache]: Analyzing trace with hash 2041048239, now seen corresponding path program 1 times [2018-11-23 06:17:40,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:40,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:40,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:40,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:40,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:17:40,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:17:40,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 06:17:40,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:17:40,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:17:40,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:17:40,408 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 7 states. [2018-11-23 06:17:40,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:40,657 INFO L93 Difference]: Finished difference Result 252 states and 293 transitions. [2018-11-23 06:17:40,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:17:40,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 06:17:40,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:40,660 INFO L225 Difference]: With dead ends: 252 [2018-11-23 06:17:40,660 INFO L226 Difference]: Without dead ends: 138 [2018-11-23 06:17:40,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:17:40,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-23 06:17:40,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-23 06:17:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-23 06:17:40,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2018-11-23 06:17:40,673 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 157 transitions. Word has length 52 [2018-11-23 06:17:40,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:40,674 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 157 transitions. [2018-11-23 06:17:40,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:17:40,674 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2018-11-23 06:17:40,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 06:17:40,676 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:40,676 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] [2018-11-23 06:17:40,676 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:40,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:40,677 INFO L82 PathProgramCache]: Analyzing trace with hash -507321815, now seen corresponding path program 1 times [2018-11-23 06:17:40,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:40,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:40,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:40,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:40,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:40,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:17:40,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:17:40,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:17:40,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:17:40,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:17:40,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:17:40,764 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand 5 states. [2018-11-23 06:17:41,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:41,088 INFO L93 Difference]: Finished difference Result 353 states and 419 transitions. [2018-11-23 06:17:41,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:17:41,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-23 06:17:41,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:41,090 INFO L225 Difference]: With dead ends: 353 [2018-11-23 06:17:41,090 INFO L226 Difference]: Without dead ends: 239 [2018-11-23 06:17:41,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:17:41,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-23 06:17:41,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2018-11-23 06:17:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-23 06:17:41,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 248 transitions. [2018-11-23 06:17:41,112 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 248 transitions. Word has length 65 [2018-11-23 06:17:41,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:41,113 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 248 transitions. [2018-11-23 06:17:41,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:17:41,113 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 248 transitions. [2018-11-23 06:17:41,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 06:17:41,115 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:41,115 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] [2018-11-23 06:17:41,115 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:41,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:41,115 INFO L82 PathProgramCache]: Analyzing trace with hash -465750265, now seen corresponding path program 1 times [2018-11-23 06:17:41,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:41,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:41,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:41,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:41,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:17:41,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:17:41,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 06:17:41,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 06:17:41,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 06:17:41,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:17:41,212 INFO L87 Difference]: Start difference. First operand 220 states and 248 transitions. Second operand 8 states. [2018-11-23 06:17:41,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:41,263 INFO L93 Difference]: Finished difference Result 423 states and 489 transitions. [2018-11-23 06:17:41,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:17:41,264 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-11-23 06:17:41,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:41,266 INFO L225 Difference]: With dead ends: 423 [2018-11-23 06:17:41,267 INFO L226 Difference]: Without dead ends: 227 [2018-11-23 06:17:41,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:17:41,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-23 06:17:41,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2018-11-23 06:17:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-23 06:17:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 252 transitions. [2018-11-23 06:17:41,287 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 252 transitions. Word has length 79 [2018-11-23 06:17:41,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:41,287 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 252 transitions. [2018-11-23 06:17:41,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 06:17:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 252 transitions. [2018-11-23 06:17:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 06:17:41,288 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:41,289 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] [2018-11-23 06:17:41,289 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:41,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:41,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1851953659, now seen corresponding path program 1 times [2018-11-23 06:17:41,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:41,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:41,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:41,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:41,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:17:41,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:17:41,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 06:17:41,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:17:41,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:17:41,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:17:41,387 INFO L87 Difference]: Start difference. First operand 224 states and 252 transitions. Second operand 10 states. [2018-11-23 06:17:41,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:41,895 INFO L93 Difference]: Finished difference Result 726 states and 882 transitions. [2018-11-23 06:17:41,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:17:41,896 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-11-23 06:17:41,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:41,899 INFO L225 Difference]: With dead ends: 726 [2018-11-23 06:17:41,899 INFO L226 Difference]: Without dead ends: 526 [2018-11-23 06:17:41,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:17:41,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-11-23 06:17:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 516. [2018-11-23 06:17:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2018-11-23 06:17:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 597 transitions. [2018-11-23 06:17:41,928 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 597 transitions. Word has length 79 [2018-11-23 06:17:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:41,928 INFO L480 AbstractCegarLoop]: Abstraction has 516 states and 597 transitions. [2018-11-23 06:17:41,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:17:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 597 transitions. [2018-11-23 06:17:41,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 06:17:41,931 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:41,931 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:17:41,931 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:41,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:41,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1363463537, now seen corresponding path program 1 times [2018-11-23 06:17:41,932 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:41,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:41,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:41,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:41,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 06:17:42,011 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:17:42,012 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:17:42,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:42,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:17:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:17:42,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:17:42,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-23 06:17:42,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 06:17:42,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 06:17:42,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-23 06:17:42,244 INFO L87 Difference]: Start difference. First operand 516 states and 597 transitions. Second operand 12 states. [2018-11-23 06:17:43,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:43,550 INFO L93 Difference]: Finished difference Result 1278 states and 1677 transitions. [2018-11-23 06:17:43,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 06:17:43,552 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 154 [2018-11-23 06:17:43,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:43,555 INFO L225 Difference]: With dead ends: 1278 [2018-11-23 06:17:43,556 INFO L226 Difference]: Without dead ends: 786 [2018-11-23 06:17:43,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-23 06:17:43,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2018-11-23 06:17:43,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 705. [2018-11-23 06:17:43,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2018-11-23 06:17:43,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 844 transitions. [2018-11-23 06:17:43,602 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 844 transitions. Word has length 154 [2018-11-23 06:17:43,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:43,602 INFO L480 AbstractCegarLoop]: Abstraction has 705 states and 844 transitions. [2018-11-23 06:17:43,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 06:17:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 844 transitions. [2018-11-23 06:17:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 06:17:43,604 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:43,604 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:17:43,604 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:43,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:43,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1531555343, now seen corresponding path program 1 times [2018-11-23 06:17:43,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:43,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:43,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:43,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:43,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 06:17:43,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:17:43,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:17:43,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:17:43,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:17:43,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:17:43,680 INFO L87 Difference]: Start difference. First operand 705 states and 844 transitions. Second operand 6 states. [2018-11-23 06:17:43,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:43,725 INFO L93 Difference]: Finished difference Result 1338 states and 1624 transitions. [2018-11-23 06:17:43,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:17:43,726 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-23 06:17:43,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:43,729 INFO L225 Difference]: With dead ends: 1338 [2018-11-23 06:17:43,729 INFO L226 Difference]: Without dead ends: 720 [2018-11-23 06:17:43,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:17:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-11-23 06:17:43,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2018-11-23 06:17:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-23 06:17:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 859 transitions. [2018-11-23 06:17:43,761 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 859 transitions. Word has length 149 [2018-11-23 06:17:43,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:43,762 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 859 transitions. [2018-11-23 06:17:43,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:17:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 859 transitions. [2018-11-23 06:17:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 06:17:43,764 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:43,764 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:17:43,764 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:43,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:43,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1022082253, now seen corresponding path program 1 times [2018-11-23 06:17:43,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:43,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:43,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:43,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:43,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 06:17:43,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:17:43,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:17:43,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:17:43,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:17:43,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:17:43,834 INFO L87 Difference]: Start difference. First operand 720 states and 859 transitions. Second operand 6 states. [2018-11-23 06:17:43,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:43,929 INFO L93 Difference]: Finished difference Result 737 states and 878 transitions. [2018-11-23 06:17:43,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:17:43,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-23 06:17:43,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:43,932 INFO L225 Difference]: With dead ends: 737 [2018-11-23 06:17:43,932 INFO L226 Difference]: Without dead ends: 734 [2018-11-23 06:17:43,933 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 [2018-11-23 06:17:43,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2018-11-23 06:17:43,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 720. [2018-11-23 06:17:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-23 06:17:43,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 855 transitions. [2018-11-23 06:17:43,957 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 855 transitions. Word has length 149 [2018-11-23 06:17:43,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:43,958 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 855 transitions. [2018-11-23 06:17:43,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:17:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 855 transitions. [2018-11-23 06:17:43,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 06:17:43,959 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:43,959 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:17:43,959 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:43,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:43,959 INFO L82 PathProgramCache]: Analyzing trace with hash -2058920796, now seen corresponding path program 1 times [2018-11-23 06:17:43,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:43,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:43,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:43,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:43,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 06:17:44,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:17:44,064 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:17:44,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:44,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:17:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:17:44,232 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 06:17:44,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-23 06:17:44,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 06:17:44,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 06:17:44,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 06:17:44,234 INFO L87 Difference]: Start difference. First operand 720 states and 855 transitions. Second operand 14 states. [2018-11-23 06:17:45,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:45,690 INFO L93 Difference]: Finished difference Result 1544 states and 1937 transitions. [2018-11-23 06:17:45,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 06:17:45,691 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2018-11-23 06:17:45,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:45,695 INFO L225 Difference]: With dead ends: 1544 [2018-11-23 06:17:45,695 INFO L226 Difference]: Without dead ends: 911 [2018-11-23 06:17:45,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 06:17:45,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2018-11-23 06:17:45,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 780. [2018-11-23 06:17:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2018-11-23 06:17:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 914 transitions. [2018-11-23 06:17:45,743 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 914 transitions. Word has length 153 [2018-11-23 06:17:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:45,743 INFO L480 AbstractCegarLoop]: Abstraction has 780 states and 914 transitions. [2018-11-23 06:17:45,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 06:17:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 914 transitions. [2018-11-23 06:17:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-23 06:17:45,746 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:17:45,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:17:45,746 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:17:45,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:17:45,747 INFO L82 PathProgramCache]: Analyzing trace with hash -2014696091, now seen corresponding path program 1 times [2018-11-23 06:17:45,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:17:45,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:17:45,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:45,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:45,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:17:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 06:17:45,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:17:45,842 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:17:45,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:17:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:17:45,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:17:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 06:17:46,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:17:46,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 06:17:46,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 06:17:46,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 06:17:46,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 06:17:46,071 INFO L87 Difference]: Start difference. First operand 780 states and 914 transitions. Second operand 13 states. [2018-11-23 06:17:46,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:17:46,126 INFO L93 Difference]: Finished difference Result 1043 states and 1224 transitions. [2018-11-23 06:17:46,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 06:17:46,127 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 207 [2018-11-23 06:17:46,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:17:46,128 INFO L225 Difference]: With dead ends: 1043 [2018-11-23 06:17:46,128 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:17:46,130 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 06:17:46,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:17:46,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:17:46,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:17:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:17:46,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2018-11-23 06:17:46,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:17:46,131 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:17:46,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 06:17:46,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:17:46,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:17:46,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:17:46,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:17:46,824 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2018-11-23 06:17:47,679 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2018-11-23 06:17:47,679 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2018-11-23 06:17:47,679 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2018-11-23 06:17:47,679 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2018-11-23 06:17:47,679 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2018-11-23 06:17:47,679 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2018-11-23 06:17:47,679 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2018-11-23 06:17:47,679 INFO L451 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2018-11-23 06:17:47,679 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2018-11-23 06:17:47,679 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-11-23 06:17:47,680 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2018-11-23 06:17:47,680 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))) [2018-11-23 06:17:47,680 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-11-23 06:17:47,680 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))) [2018-11-23 06:17:47,680 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-23 06:17:47,680 INFO L448 ceAbstractionStarter]: For program point L642-1(lines 642 649) no Hoare annotation was computed. [2018-11-23 06:17:47,680 INFO L448 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2018-11-23 06:17:47,680 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:17:47,680 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:17:47,680 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 632 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:17:47,680 INFO L444 ceAbstractionStarter]: At program point L638-1(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:17:47,680 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 632 654) no Hoare annotation was computed. [2018-11-23 06:17:47,681 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 632 654) no Hoare annotation was computed. [2018-11-23 06:17:47,681 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:17:47,681 INFO L444 ceAbstractionStarter]: At program point L644-1(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:17:47,681 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 649) no Hoare annotation was computed. [2018-11-23 06:17:47,681 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 825 833) no Hoare annotation was computed. [2018-11-23 06:17:47,681 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 825 833) the Hoare annotation is: true [2018-11-23 06:17:47,681 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 825 833) no Hoare annotation was computed. [2018-11-23 06:17:47,681 INFO L451 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: true [2018-11-23 06:17:47,681 INFO L448 ceAbstractionStarter]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2018-11-23 06:17:47,681 INFO L448 ceAbstractionStarter]: For program point L896-1(line 896) no Hoare annotation was computed. [2018-11-23 06:17:47,681 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 889 907) the Hoare annotation is: true [2018-11-23 06:17:47,681 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 889 907) no Hoare annotation was computed. [2018-11-23 06:17:47,681 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-11-23 06:17:47,681 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 889 907) no Hoare annotation was computed. [2018-11-23 06:17:47,682 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2018-11-23 06:17:47,682 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2018-11-23 06:17:47,682 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 619 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:17:47,682 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 619 628) no Hoare annotation was computed. [2018-11-23 06:17:47,682 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 619 628) no Hoare annotation was computed. [2018-11-23 06:17:47,682 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 814 824) the Hoare annotation is: true [2018-11-23 06:17:47,682 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 814 824) no Hoare annotation was computed. [2018-11-23 06:17:47,682 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 814 824) no Hoare annotation was computed. [2018-11-23 06:17:47,682 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-11-23 06:17:47,682 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-23 06:17:47,682 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 806 813) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-23 06:17:47,682 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-23 06:17:47,682 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-23 06:17:47,682 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 06:17:47,683 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))))) [2018-11-23 06:17:47,683 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-11-23 06:17:47,683 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 06:17:47,683 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-23 06:17:47,683 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-11-23 06:17:47,683 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2018-11-23 06:17:47,683 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))) [2018-11-23 06:17:47,683 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 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-23 06:17:47,683 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-11-23 06:17:47,683 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-23 06:17:47,683 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-11-23 06:17:47,683 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-11-23 06:17:47,683 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-11-23 06:17:47,683 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-11-23 06:17:47,684 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-11-23 06:17:47,684 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2018-11-23 06:17:47,684 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 917 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:17:47,684 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2018-11-23 06:17:47,684 INFO L444 ceAbstractionStarter]: At program point L975(lines 926 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:17:47,684 INFO L448 ceAbstractionStarter]: For program point L965(lines 965 969) no Hoare annotation was computed. [2018-11-23 06:17:47,684 INFO L444 ceAbstractionStarter]: At program point L965-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 06:17:47,684 INFO L448 ceAbstractionStarter]: For program point L928(lines 927 974) no Hoare annotation was computed. [2018-11-23 06:17:47,684 INFO L444 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 06:17:47,684 INFO L448 ceAbstractionStarter]: For program point L957(lines 957 970) no Hoare annotation was computed. [2018-11-23 06:17:47,684 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 06:17:47,685 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-11-23 06:17:47,685 INFO L448 ceAbstractionStarter]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2018-11-23 06:17:47,685 INFO L444 ceAbstractionStarter]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 06:17:47,685 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 06:17:47,685 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-23 06:17:47,685 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-11-23 06:17:47,685 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2018-11-23 06:17:47,685 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(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))) [2018-11-23 06:17:47,685 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 780 787) no Hoare annotation was computed. [2018-11-23 06:17:47,685 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 780 787) no Hoare annotation was computed. [2018-11-23 06:17:47,685 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 544 552) no Hoare annotation was computed. [2018-11-23 06:17:47,685 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 544 552) the Hoare annotation is: true [2018-11-23 06:17:47,686 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 544 552) no Hoare annotation was computed. [2018-11-23 06:17:47,686 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:17:47,686 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 06:17:47,686 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:17:47,686 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 06:17:47,686 INFO L448 ceAbstractionStarter]: For program point L800-1(lines 789 805) no Hoare annotation was computed. [2018-11-23 06:17:47,686 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 802) no Hoare annotation was computed. [2018-11-23 06:17:47,686 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 789 805) no Hoare annotation was computed. [2018-11-23 06:17:47,686 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 06:17:47,686 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-23 06:17:47,686 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 789 805) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 06:17:47,686 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 870 888) no Hoare annotation was computed. [2018-11-23 06:17:47,686 INFO L448 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2018-11-23 06:17:47,687 INFO L451 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2018-11-23 06:17:47,687 INFO L448 ceAbstractionStarter]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2018-11-23 06:17:47,687 INFO L448 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2018-11-23 06:17:47,687 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 870 888) the Hoare annotation is: true [2018-11-23 06:17:47,687 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 870 888) no Hoare annotation was computed. [2018-11-23 06:17:47,687 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 521 529) the Hoare annotation is: true [2018-11-23 06:17:47,687 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2018-11-23 06:17:47,687 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2018-11-23 06:17:47,687 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-11-23 06:17:47,687 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: true [2018-11-23 06:17:47,687 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-11-23 06:17:47,687 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-23 06:17:47,687 INFO L448 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-11-23 06:17:47,687 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 (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-23 06:17:47,687 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-11-23 06:17:47,688 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-11-23 06:17:47,688 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-23 06:17:47,688 INFO L444 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= ~systemActive~0 1))) (let ((.cse1 (and (<= 2 ~waterLevel~0) .cse2 .cse3)) (.cse0 (not .cse3))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0 .cse1 (and .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse1 (or (< |old(~waterLevel~0)| 2) .cse0))))) [2018-11-23 06:17:47,688 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 06:17:47,688 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 556 585) no Hoare annotation was computed. [2018-11-23 06:17:47,688 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 556 585) the Hoare annotation is: true [2018-11-23 06:17:47,688 INFO L448 ceAbstractionStarter]: For program point L570(lines 570 574) no Hoare annotation was computed. [2018-11-23 06:17:47,688 INFO L451 ceAbstractionStarter]: At program point L570-1(lines 570 574) the Hoare annotation is: true [2018-11-23 06:17:47,688 INFO L448 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-11-23 06:17:47,688 INFO L451 ceAbstractionStarter]: At program point L566-2(lines 566 580) the Hoare annotation is: true [2018-11-23 06:17:47,688 INFO L451 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2018-11-23 06:17:47,688 INFO L448 ceAbstractionStarter]: For program point L562-1(line 562) no Hoare annotation was computed. [2018-11-23 06:17:47,688 INFO L451 ceAbstractionStarter]: At program point L581(lines 556 585) the Hoare annotation is: true [2018-11-23 06:17:47,689 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-11-23 06:17:47,689 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-11-23 06:17:47,689 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-11-23 06:17:47,689 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-23 06:17:47,689 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-11-23 06:17:47,689 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-11-23 06:17:47,689 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 611 617) no Hoare annotation was computed. [2018-11-23 06:17:47,689 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 611 617) the Hoare annotation is: true [2018-11-23 06:17:47,689 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:17:47,689 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-23 06:17:47,689 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:17:47,689 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:17:47,689 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 908 915) no Hoare annotation was computed. [2018-11-23 06:17:47,689 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 908 915) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1)) (or (not (= 0 ~pumpRunning~0)) .cse0 (< ~waterLevel~0 1) .cse1))) [2018-11-23 06:17:47,690 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 908 915) no Hoare annotation was computed. [2018-11-23 06:17:47,690 INFO L448 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-11-23 06:17:47,690 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 06:17:47,690 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 06:17:47,690 INFO L448 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-11-23 06:17:47,690 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-11-23 06:17:47,690 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-11-23 06:17:47,690 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 06:17:47,690 INFO L448 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-11-23 06:17:47,690 INFO L444 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-23 06:17:47,690 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))) [2018-11-23 06:17:47,690 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-11-23 06:17:47,690 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-11-23 06:17:47,691 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-11-23 06:17:47,691 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2018-11-23 06:17:47,691 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-11-23 06:17:47,691 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2018-11-23 06:17:47,691 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2018-11-23 06:17:47,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:17:47 BoogieIcfgContainer [2018-11-23 06:17:47,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:17:47,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:17:47,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:17:47,701 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:17:47,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:17:39" (3/4) ... [2018-11-23 06:17:47,704 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 06:17:47,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 06:17:47,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 06:17:47,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 06:17:47,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 06:17:47,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 06:17:47,712 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 06:17:47,719 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 06:17:47,720 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 06:17:47,720 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 06:17:47,720 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:17:47,721 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:17:47,721 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:17:47,721 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:17:47,742 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 06:17:47,743 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 06:17:47,775 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb7a5552-4d59-4135-a114-0cdf4a90a4d6/bin-2019/uautomizer/witness.graphml [2018-11-23 06:17:47,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:17:47,776 INFO L168 Benchmark]: Toolchain (without parser) took 9018.40 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 409.5 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -70.6 MB). Peak memory consumption was 338.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:17:47,777 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:17:47,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:17:47,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:17:47,777 INFO L168 Benchmark]: Boogie Preprocessor took 34.96 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. [2018-11-23 06:17:47,777 INFO L168 Benchmark]: RCFGBuilder took 548.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:17:47,778 INFO L168 Benchmark]: TraceAbstraction took 7945.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 258.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.5 MB). Peak memory consumption was 426.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:17:47,778 INFO L168 Benchmark]: Witness Printer took 75.05 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-23 06:17:47,779 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.45 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 34.96 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 548.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7945.24 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 258.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.5 MB). Peak memory consumption was 426.3 MB. Max. memory is 11.5 GB. * Witness Printer took 75.05 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 926]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 160 locations, 1 error locations. SAFE Result, 7.8s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1944 SDtfs, 2017 SDslu, 6311 SDs, 0 SdLazy, 4657 SolverSat, 1007 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 671 GetRequests, 550 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=780occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 258 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1486 PreInvPairs, 1536 NumberOfFragments, 1010 HoareAnnotationTreeSize, 1486 FomulaSimplifications, 3510 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 4969 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1694 NumberOfCodeBlocks, 1694 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1680 ConstructedInterpolants, 0 QuantifiedInterpolants, 350010 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2756 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 395/428 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...