./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/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 f32a845991ccfb3a908c898acdfb7a48e8a7d63f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:32:17,067 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:32:17,068 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:32:17,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:32:17,076 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:32:17,077 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:32:17,078 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:32:17,079 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:32:17,080 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:32:17,080 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:32:17,081 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:32:17,081 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:32:17,082 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:32:17,082 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:32:17,083 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:32:17,084 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:32:17,084 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:32:17,086 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:32:17,087 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:32:17,087 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:32:17,088 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:32:17,089 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:32:17,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:32:17,091 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:32:17,091 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:32:17,091 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:32:17,092 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:32:17,092 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:32:17,093 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:32:17,093 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:32:17,093 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:32:17,093 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:32:17,094 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:32:17,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:32:17,094 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:32:17,094 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:32:17,095 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:32:17,101 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:32:17,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:32:17,102 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:32:17,102 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:32:17,102 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:32:17,103 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:32:17,103 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:32:17,103 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:32:17,103 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:32:17,103 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:32:17,103 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:32:17,104 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:32:17,104 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:32:17,104 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:32:17,104 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:32:17,104 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:32:17,104 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:32:17,104 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:32:17,105 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:32:17,105 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:32:17,105 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:32:17,105 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:32:17,105 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:32:17,105 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:32:17,106 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:32:17,106 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:32:17,106 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:32:17,106 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:32:17,106 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:32:17,106 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:32:17,106 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_f97adda9-3952-4169-a826-09b5a50225a4/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 -> f32a845991ccfb3a908c898acdfb7a48e8a7d63f [2018-11-28 13:32:17,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:32:17,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:32:17,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:32:17,143 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:32:17,144 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:32:17,144 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product60_true-unreach-call_false-termination.cil.c [2018-11-28 13:32:17,184 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/data/efa28fc59/9173204f074649faa43a61a43957f4e6/FLAG68079ebac [2018-11-28 13:32:17,601 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:32:17,602 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/sv-benchmarks/c/product-lines/minepump_spec5_product60_true-unreach-call_false-termination.cil.c [2018-11-28 13:32:17,608 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/data/efa28fc59/9173204f074649faa43a61a43957f4e6/FLAG68079ebac [2018-11-28 13:32:17,618 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/data/efa28fc59/9173204f074649faa43a61a43957f4e6 [2018-11-28 13:32:17,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:32:17,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:32:17,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:32:17,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:32:17,626 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:32:17,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:32:17" (1/1) ... [2018-11-28 13:32:17,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7130717e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:17, skipping insertion in model container [2018-11-28 13:32:17,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:32:17" (1/1) ... [2018-11-28 13:32:17,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:32:17,666 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:32:17,870 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:32:17,928 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:32:17,986 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:32:18,010 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:32:18,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18 WrapperNode [2018-11-28 13:32:18,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:32:18,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:32:18,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:32:18,012 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:32:18,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (1/1) ... [2018-11-28 13:32:18,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (1/1) ... [2018-11-28 13:32:18,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:32:18,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:32:18,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:32:18,039 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:32:18,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (1/1) ... [2018-11-28 13:32:18,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (1/1) ... [2018-11-28 13:32:18,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (1/1) ... [2018-11-28 13:32:18,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (1/1) ... [2018-11-28 13:32:18,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (1/1) ... [2018-11-28 13:32:18,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (1/1) ... [2018-11-28 13:32:18,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (1/1) ... [2018-11-28 13:32:18,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:32:18,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:32:18,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:32:18,070 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:32:18,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:32:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:32:18,110 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:32:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:32:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:32:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:32:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:32:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:32:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:32:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:32:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:32:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:32:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:32:18,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:32:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:32:18,112 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:32:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:32:18,112 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:32:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:32:18,112 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:32:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:32:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:32:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:32:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:32:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:32:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:32:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:32:18,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:32:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:32:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:32:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:32:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:32:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:32:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:32:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:32:18,114 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:32:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:32:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:32:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 13:32:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 13:32:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:32:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:32:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:32:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:32:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:32:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:32:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:32:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:32:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-28 13:32:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-28 13:32:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-28 13:32:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-28 13:32:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-28 13:32:18,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-28 13:32:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:32:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:32:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:32:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:32:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:32:18,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:32:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:32:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:32:18,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:32:18,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:32:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:32:18,118 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:32:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:32:18,118 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:32:18,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:32:18,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:32:18,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:32:18,562 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:32:18,562 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:32:18,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:18 BoogieIcfgContainer [2018-11-28 13:32:18,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:32:18,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:32:18,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:32:18,565 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:32:18,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:32:17" (1/3) ... [2018-11-28 13:32:18,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc4c152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:32:18, skipping insertion in model container [2018-11-28 13:32:18,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:32:18" (2/3) ... [2018-11-28 13:32:18,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc4c152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:32:18, skipping insertion in model container [2018-11-28 13:32:18,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:18" (3/3) ... [2018-11-28 13:32:18,570 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60_true-unreach-call_false-termination.cil.c [2018-11-28 13:32:18,578 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:32:18,584 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:32:18,598 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:32:18,622 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:32:18,623 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:32:18,623 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:32:18,623 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:32:18,623 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:32:18,623 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:32:18,624 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:32:18,624 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:32:18,624 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:32:18,639 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2018-11-28 13:32:18,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 13:32:18,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:18,647 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:18,649 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:18,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:18,654 INFO L82 PathProgramCache]: Analyzing trace with hash -35368606, now seen corresponding path program 1 times [2018-11-28 13:32:18,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:18,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:18,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:18,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:18,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:32:18,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:18,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:32:18,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:32:18,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:32:18,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:32:18,850 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2018-11-28 13:32:18,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:18,881 INFO L93 Difference]: Finished difference Result 322 states and 393 transitions. [2018-11-28 13:32:18,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:32:18,883 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-28 13:32:18,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:18,892 INFO L225 Difference]: With dead ends: 322 [2018-11-28 13:32:18,892 INFO L226 Difference]: Without dead ends: 163 [2018-11-28 13:32:18,895 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:32:18,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-28 13:32:18,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-11-28 13:32:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-11-28 13:32:18,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2018-11-28 13:32:18,937 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2018-11-28 13:32:18,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:18,937 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2018-11-28 13:32:18,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:32:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2018-11-28 13:32:18,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 13:32:18,940 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:18,941 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:18,941 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:18,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:18,941 INFO L82 PathProgramCache]: Analyzing trace with hash -685083891, now seen corresponding path program 1 times [2018-11-28 13:32:18,941 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:18,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:18,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:18,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:18,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:32:19,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:19,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:32:19,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:32:19,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:32:19,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:32:19,032 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 3 states. [2018-11-28 13:32:19,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:19,052 INFO L93 Difference]: Finished difference Result 261 states and 303 transitions. [2018-11-28 13:32:19,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:32:19,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-28 13:32:19,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:19,055 INFO L225 Difference]: With dead ends: 261 [2018-11-28 13:32:19,055 INFO L226 Difference]: Without dead ends: 154 [2018-11-28 13:32:19,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:32:19,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-28 13:32:19,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-28 13:32:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-28 13:32:19,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2018-11-28 13:32:19,069 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2018-11-28 13:32:19,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:19,069 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2018-11-28 13:32:19,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:32:19,069 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2018-11-28 13:32:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 13:32:19,070 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:19,070 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:19,070 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:19,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:19,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1773157151, now seen corresponding path program 1 times [2018-11-28 13:32:19,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:19,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:19,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:19,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:19,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:19,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:32:19,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:19,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:32:19,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:32:19,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:32:19,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:32:19,200 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 7 states. [2018-11-28 13:32:19,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:19,537 INFO L93 Difference]: Finished difference Result 462 states and 554 transitions. [2018-11-28 13:32:19,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:32:19,537 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-28 13:32:19,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:19,540 INFO L225 Difference]: With dead ends: 462 [2018-11-28 13:32:19,540 INFO L226 Difference]: Without dead ends: 336 [2018-11-28 13:32:19,541 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:32:19,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-11-28 13:32:19,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 324. [2018-11-28 13:32:19,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-11-28 13:32:19,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 388 transitions. [2018-11-28 13:32:19,573 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 388 transitions. Word has length 65 [2018-11-28 13:32:19,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:19,573 INFO L480 AbstractCegarLoop]: Abstraction has 324 states and 388 transitions. [2018-11-28 13:32:19,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:32:19,573 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 388 transitions. [2018-11-28 13:32:19,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 13:32:19,575 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:19,575 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:19,576 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:19,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:19,576 INFO L82 PathProgramCache]: Analyzing trace with hash -658838131, now seen corresponding path program 1 times [2018-11-28 13:32:19,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:19,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:19,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:19,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:19,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:19,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:32:19,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:19,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:32:19,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:32:19,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:32:19,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:32:19,692 INFO L87 Difference]: Start difference. First operand 324 states and 388 transitions. Second operand 7 states. [2018-11-28 13:32:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:20,356 INFO L93 Difference]: Finished difference Result 808 states and 1036 transitions. [2018-11-28 13:32:20,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:32:20,357 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-28 13:32:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:20,360 INFO L225 Difference]: With dead ends: 808 [2018-11-28 13:32:20,361 INFO L226 Difference]: Without dead ends: 512 [2018-11-28 13:32:20,362 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:32:20,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-28 13:32:20,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 458. [2018-11-28 13:32:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-11-28 13:32:20,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 547 transitions. [2018-11-28 13:32:20,402 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 547 transitions. Word has length 70 [2018-11-28 13:32:20,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:20,402 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 547 transitions. [2018-11-28 13:32:20,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:32:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 547 transitions. [2018-11-28 13:32:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 13:32:20,405 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:20,405 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:20,405 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:20,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:20,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1329963175, now seen corresponding path program 1 times [2018-11-28 13:32:20,406 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:20,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:20,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:20,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:20,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:20,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:32:20,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:20,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:32:20,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:32:20,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:32:20,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:32:20,475 INFO L87 Difference]: Start difference. First operand 458 states and 547 transitions. Second operand 6 states. [2018-11-28 13:32:20,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:20,515 INFO L93 Difference]: Finished difference Result 902 states and 1110 transitions. [2018-11-28 13:32:20,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:32:20,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-28 13:32:20,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:20,517 INFO L225 Difference]: With dead ends: 902 [2018-11-28 13:32:20,517 INFO L226 Difference]: Without dead ends: 472 [2018-11-28 13:32:20,518 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 [2018-11-28 13:32:20,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-11-28 13:32:20,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 468. [2018-11-28 13:32:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-11-28 13:32:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 557 transitions. [2018-11-28 13:32:20,541 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 557 transitions. Word has length 108 [2018-11-28 13:32:20,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:20,541 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 557 transitions. [2018-11-28 13:32:20,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:32:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 557 transitions. [2018-11-28 13:32:20,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 13:32:20,544 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:20,544 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:20,545 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:20,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:20,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1036731419, now seen corresponding path program 1 times [2018-11-28 13:32:20,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:20,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:20,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:20,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:20,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:32:20,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:20,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:32:20,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:32:20,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:32:20,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:32:20,622 INFO L87 Difference]: Start difference. First operand 468 states and 557 transitions. Second operand 8 states. [2018-11-28 13:32:20,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:20,650 INFO L93 Difference]: Finished difference Result 922 states and 1130 transitions. [2018-11-28 13:32:20,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:32:20,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-28 13:32:20,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:20,652 INFO L225 Difference]: With dead ends: 922 [2018-11-28 13:32:20,652 INFO L226 Difference]: Without dead ends: 482 [2018-11-28 13:32:20,653 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 [2018-11-28 13:32:20,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2018-11-28 13:32:20,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 476. [2018-11-28 13:32:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2018-11-28 13:32:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 565 transitions. [2018-11-28 13:32:20,669 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 565 transitions. Word has length 108 [2018-11-28 13:32:20,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:20,670 INFO L480 AbstractCegarLoop]: Abstraction has 476 states and 565 transitions. [2018-11-28 13:32:20,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:32:20,670 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 565 transitions. [2018-11-28 13:32:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 13:32:20,672 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:20,673 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:20,673 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:20,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:20,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1277271548, now seen corresponding path program 1 times [2018-11-28 13:32:20,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:20,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:20,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:20,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:20,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:32:20,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:20,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:32:20,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:32:20,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:32:20,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:32:20,745 INFO L87 Difference]: Start difference. First operand 476 states and 565 transitions. Second operand 4 states. [2018-11-28 13:32:20,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:20,886 INFO L93 Difference]: Finished difference Result 1484 states and 1846 transitions. [2018-11-28 13:32:20,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:32:20,887 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-28 13:32:20,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:20,890 INFO L225 Difference]: With dead ends: 1484 [2018-11-28 13:32:20,891 INFO L226 Difference]: Without dead ends: 1036 [2018-11-28 13:32:20,892 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:32:20,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-11-28 13:32:20,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1019. [2018-11-28 13:32:20,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2018-11-28 13:32:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1244 transitions. [2018-11-28 13:32:20,928 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1244 transitions. Word has length 108 [2018-11-28 13:32:20,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:20,929 INFO L480 AbstractCegarLoop]: Abstraction has 1019 states and 1244 transitions. [2018-11-28 13:32:20,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:32:20,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1244 transitions. [2018-11-28 13:32:20,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-28 13:32:20,931 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:20,932 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:20,932 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:20,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:20,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1306050626, now seen corresponding path program 1 times [2018-11-28 13:32:20,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:20,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:20,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:20,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:20,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:32:21,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:32:21,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 13:32:21,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:32:21,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:32:21,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:32:21,031 INFO L87 Difference]: Start difference. First operand 1019 states and 1244 transitions. Second operand 9 states. [2018-11-28 13:32:21,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:21,681 INFO L93 Difference]: Finished difference Result 2802 states and 3576 transitions. [2018-11-28 13:32:21,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 13:32:21,682 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2018-11-28 13:32:21,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:21,687 INFO L225 Difference]: With dead ends: 2802 [2018-11-28 13:32:21,687 INFO L226 Difference]: Without dead ends: 1997 [2018-11-28 13:32:21,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:32:21,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2018-11-28 13:32:21,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1764. [2018-11-28 13:32:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1764 states. [2018-11-28 13:32:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2119 transitions. [2018-11-28 13:32:21,751 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2119 transitions. Word has length 112 [2018-11-28 13:32:21,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:21,752 INFO L480 AbstractCegarLoop]: Abstraction has 1764 states and 2119 transitions. [2018-11-28 13:32:21,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:32:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2119 transitions. [2018-11-28 13:32:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 13:32:21,754 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:21,754 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:32:21,755 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:21,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:21,755 INFO L82 PathProgramCache]: Analyzing trace with hash 2041275749, now seen corresponding path program 1 times [2018-11-28 13:32:21,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:21,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:21,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:21,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:21,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:21,855 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 13:32:21,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:32:21,855 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:32:21,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:21,978 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:32:22,081 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:32:22,097 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:32:22,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-28 13:32:22,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 13:32:22,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 13:32:22,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-28 13:32:22,099 INFO L87 Difference]: Start difference. First operand 1764 states and 2119 transitions. Second operand 16 states. [2018-11-28 13:32:22,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:22,899 INFO L93 Difference]: Finished difference Result 4039 states and 5054 transitions. [2018-11-28 13:32:22,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 13:32:22,900 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2018-11-28 13:32:22,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:22,908 INFO L225 Difference]: With dead ends: 4039 [2018-11-28 13:32:22,908 INFO L226 Difference]: Without dead ends: 2483 [2018-11-28 13:32:22,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 13:32:22,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2018-11-28 13:32:23,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2221. [2018-11-28 13:32:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2221 states. [2018-11-28 13:32:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 2637 transitions. [2018-11-28 13:32:23,061 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 2637 transitions. Word has length 174 [2018-11-28 13:32:23,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:23,061 INFO L480 AbstractCegarLoop]: Abstraction has 2221 states and 2637 transitions. [2018-11-28 13:32:23,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 13:32:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2637 transitions. [2018-11-28 13:32:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-28 13:32:23,069 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:23,069 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 13:32:23,069 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:23,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:23,069 INFO L82 PathProgramCache]: Analyzing trace with hash -643962804, now seen corresponding path program 1 times [2018-11-28 13:32:23,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:23,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:23,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:23,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:23,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 98 proven. 16 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-28 13:32:23,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:32:23,222 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:32:23,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:23,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:32:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 220 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-28 13:32:23,528 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:32:23,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-28 13:32:23,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-28 13:32:23,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-28 13:32:23,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-28 13:32:23,530 INFO L87 Difference]: Start difference. First operand 2221 states and 2637 transitions. Second operand 18 states. [2018-11-28 13:32:25,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:25,355 INFO L93 Difference]: Finished difference Result 6024 states and 7539 transitions. [2018-11-28 13:32:25,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-28 13:32:25,356 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 311 [2018-11-28 13:32:25,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:25,367 INFO L225 Difference]: With dead ends: 6024 [2018-11-28 13:32:25,367 INFO L226 Difference]: Without dead ends: 3263 [2018-11-28 13:32:25,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 317 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=372, Invalid=1520, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 13:32:25,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2018-11-28 13:32:25,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 3037. [2018-11-28 13:32:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3037 states. [2018-11-28 13:32:25,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 3037 states and 3552 transitions. [2018-11-28 13:32:25,491 INFO L78 Accepts]: Start accepts. Automaton has 3037 states and 3552 transitions. Word has length 311 [2018-11-28 13:32:25,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:25,491 INFO L480 AbstractCegarLoop]: Abstraction has 3037 states and 3552 transitions. [2018-11-28 13:32:25,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-28 13:32:25,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 3552 transitions. [2018-11-28 13:32:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-11-28 13:32:25,498 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:25,498 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-28 13:32:25,499 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:25,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:25,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1895144598, now seen corresponding path program 1 times [2018-11-28 13:32:25,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:25,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:25,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:25,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:25,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 87 proven. 12 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2018-11-28 13:32:25,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:32:25,661 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:32:25,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:25,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:32:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2018-11-28 13:32:25,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:32:25,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2018-11-28 13:32:25,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:32:25,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:32:25,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:32:25,911 INFO L87 Difference]: Start difference. First operand 3037 states and 3552 transitions. Second operand 4 states. [2018-11-28 13:32:26,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:26,224 INFO L93 Difference]: Finished difference Result 4870 states and 5708 transitions. [2018-11-28 13:32:26,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:32:26,225 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 397 [2018-11-28 13:32:26,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:26,233 INFO L225 Difference]: With dead ends: 4870 [2018-11-28 13:32:26,233 INFO L226 Difference]: Without dead ends: 1895 [2018-11-28 13:32:26,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 396 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:32:26,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2018-11-28 13:32:26,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1855. [2018-11-28 13:32:26,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2018-11-28 13:32:26,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2134 transitions. [2018-11-28 13:32:26,344 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2134 transitions. Word has length 397 [2018-11-28 13:32:26,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:26,344 INFO L480 AbstractCegarLoop]: Abstraction has 1855 states and 2134 transitions. [2018-11-28 13:32:26,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:32:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2134 transitions. [2018-11-28 13:32:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-11-28 13:32:26,351 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:32:26,352 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 13:32:26,352 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:32:26,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:32:26,352 INFO L82 PathProgramCache]: Analyzing trace with hash 824162955, now seen corresponding path program 1 times [2018-11-28 13:32:26,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:32:26,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:32:26,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:26,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:26,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:32:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 108 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2018-11-28 13:32:26,544 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:32:26,544 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:32:26,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:32:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:32:26,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:32:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-11-28 13:32:26,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:32:26,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 13:32:26,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 13:32:26,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 13:32:26,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:32:26,881 INFO L87 Difference]: Start difference. First operand 1855 states and 2134 transitions. Second operand 13 states. [2018-11-28 13:32:27,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:32:27,030 INFO L93 Difference]: Finished difference Result 2251 states and 2573 transitions. [2018-11-28 13:32:27,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:32:27,030 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 373 [2018-11-28 13:32:27,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:32:27,031 INFO L225 Difference]: With dead ends: 2251 [2018-11-28 13:32:27,031 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:32:27,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:32:27,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:32:27,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:32:27,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:32:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:32:27,035 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2018-11-28 13:32:27,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:32:27,035 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:32:27,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 13:32:27,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:32:27,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:32:27,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:32:27,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:27,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:32:28,156 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2018-11-28 13:32:28,438 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 31 [2018-11-28 13:32:28,590 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-11-28 13:32:28,818 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 24 [2018-11-28 13:32:29,056 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 40 [2018-11-28 13:32:29,824 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 49 [2018-11-28 13:32:29,976 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2018-11-28 13:32:30,366 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 32 [2018-11-28 13:32:30,486 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 26 [2018-11-28 13:32:30,658 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2018-11-28 13:32:31,003 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 38 [2018-11-28 13:32:31,168 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 30 [2018-11-28 13:32:31,369 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 33 [2018-11-28 13:32:31,623 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 36 [2018-11-28 13:32:31,693 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2018-11-28 13:32:31,693 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2018-11-28 13:32:31,694 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2018-11-28 13:32:31,694 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2018-11-28 13:32:31,694 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2018-11-28 13:32:31,694 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 370 377) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-28 13:32:31,694 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 370 377) no Hoare annotation was computed. [2018-11-28 13:32:31,694 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 370 377) no Hoare annotation was computed. [2018-11-28 13:32:31,694 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 378 387) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse6 .cse4) (or .cse1 .cse7 .cse6 .cse4 .cse5) (or .cse0 .cse1 .cse7 .cse3 .cse4))) [2018-11-28 13:32:31,694 INFO L448 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-28 13:32:31,694 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 378 387) no Hoare annotation was computed. [2018-11-28 13:32:31,694 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 378 387) no Hoare annotation was computed. [2018-11-28 13:32:31,694 INFO L444 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2018-11-28 13:32:31,694 INFO L448 ceAbstractionStarter]: For program point L401(lines 401 407) no Hoare annotation was computed. [2018-11-28 13:32:31,695 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 388 416) the Hoare annotation is: true [2018-11-28 13:32:31,695 INFO L448 ceAbstractionStarter]: For program point L400(lines 400 410) no Hoare annotation was computed. [2018-11-28 13:32:31,695 INFO L444 ceAbstractionStarter]: At program point L398(line 398) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 1 ~pumpRunning~0)) .cse1 .cse5) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse4) (or .cse6 (or .cse2 (or .cse0 .cse5))) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse4 .cse1 .cse3))) [2018-11-28 13:32:31,695 INFO L448 ceAbstractionStarter]: For program point L398-1(line 398) no Hoare annotation was computed. [2018-11-28 13:32:31,695 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 413) no Hoare annotation was computed. [2018-11-28 13:32:31,695 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 388 416) no Hoare annotation was computed. [2018-11-28 13:32:31,695 INFO L448 ceAbstractionStarter]: For program point L396-1(lines 388 416) no Hoare annotation was computed. [2018-11-28 13:32:31,695 INFO L451 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: true [2018-11-28 13:32:31,695 INFO L448 ceAbstractionStarter]: For program point L394-1(line 394) no Hoare annotation was computed. [2018-11-28 13:32:31,695 INFO L444 ceAbstractionStarter]: At program point L866-1(line 866) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:32:31,695 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 860 882) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:32:31,695 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 860 882) no Hoare annotation was computed. [2018-11-28 13:32:31,696 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 860 882) no Hoare annotation was computed. [2018-11-28 13:32:31,696 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:32:31,696 INFO L444 ceAbstractionStarter]: At program point L872-1(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:32:31,696 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 877) no Hoare annotation was computed. [2018-11-28 13:32:31,696 INFO L448 ceAbstractionStarter]: For program point L870-1(lines 870 877) no Hoare annotation was computed. [2018-11-28 13:32:31,696 INFO L448 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-11-28 13:32:31,696 INFO L444 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:32:31,696 INFO L444 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:32:31,696 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 271 285) no Hoare annotation was computed. [2018-11-28 13:32:31,696 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 271 285) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse2 (not (= ~waterLevel~0 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse1 (and .cse0 .cse4) .cse5) (or (or .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse5) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or (or .cse3 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4)))) [2018-11-28 13:32:31,696 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) .cse2) (or (or (or .cse3 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or .cse3 .cse0 .cse2))) [2018-11-28 13:32:31,696 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 271 285) no Hoare annotation was computed. [2018-11-28 13:32:31,697 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 281) no Hoare annotation was computed. [2018-11-28 13:32:31,697 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2018-11-28 13:32:31,697 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2018-11-28 13:32:31,697 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2018-11-28 13:32:31,697 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 252 270) the Hoare annotation is: true [2018-11-28 13:32:31,697 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 252 270) no Hoare annotation was computed. [2018-11-28 13:32:31,697 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2018-11-28 13:32:31,697 INFO L451 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: true [2018-11-28 13:32:31,697 INFO L448 ceAbstractionStarter]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2018-11-28 13:32:31,697 INFO L448 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2018-11-28 13:32:31,697 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 252 270) no Hoare annotation was computed. [2018-11-28 13:32:31,697 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2018-11-28 13:32:31,697 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2018-11-28 13:32:31,697 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 846 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:32:31,697 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 846 856) no Hoare annotation was computed. [2018-11-28 13:32:31,698 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 846 856) no Hoare annotation was computed. [2018-11-28 13:32:31,698 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:32:31,698 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 177 187) the Hoare annotation is: true [2018-11-28 13:32:31,698 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 177 187) no Hoare annotation was computed. [2018-11-28 13:32:31,698 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 177 187) no Hoare annotation was computed. [2018-11-28 13:32:31,698 INFO L451 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-11-28 13:32:31,698 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-28 13:32:31,698 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 169 176) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse0 (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 1))))) [2018-11-28 13:32:31,698 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 169 176) no Hoare annotation was computed. [2018-11-28 13:32:31,698 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 169 176) no Hoare annotation was computed. [2018-11-28 13:32:31,698 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 1007 1020) no Hoare annotation was computed. [2018-11-28 13:32:31,698 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2018-11-28 13:32:31,698 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 1007 1020) the Hoare annotation is: true [2018-11-28 13:32:31,699 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 1007 1020) no Hoare annotation was computed. [2018-11-28 13:32:31,699 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (= processEnvironment_~tmp~1 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-28 13:32:31,699 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 134) no Hoare annotation was computed. [2018-11-28 13:32:31,699 INFO L444 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3))) [2018-11-28 13:32:31,699 INFO L448 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-11-28 13:32:31,699 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 139) no Hoare annotation was computed. [2018-11-28 13:32:31,699 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2018-11-28 13:32:31,699 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse0 .cse1 .cse3) (or (or .cse1 (or .cse4 .cse0 (not (= ~waterLevel~0 2)))) .cse2))) [2018-11-28 13:32:31,699 INFO L444 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-28 13:32:31,699 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2018-11-28 13:32:31,700 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-28 13:32:31,700 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2018-11-28 13:32:31,700 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2018-11-28 13:32:31,700 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0)) (.cse6 (= ~systemActive~0 1)) (.cse7 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and .cse8 .cse6 .cse7)) (.cse3 (= ~systemActive~0 0)) (.cse5 (= 1 ~waterLevel~0)) (.cse4 (and .cse8 .cse7)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4 .cse2) (and .cse0 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse3 (and .cse5 .cse4 .cse2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~pumpRunning~0 1) .cse6 .cse7)))) [2018-11-28 13:32:31,700 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 298 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:32:31,700 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 324) no Hoare annotation was computed. [2018-11-28 13:32:31,700 INFO L448 ceAbstractionStarter]: For program point L318-1(lines 318 324) no Hoare annotation was computed. [2018-11-28 13:32:31,700 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 298 365) no Hoare annotation was computed. [2018-11-28 13:32:31,700 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 314) no Hoare annotation was computed. [2018-11-28 13:32:31,700 INFO L444 ceAbstractionStarter]: At program point L358(lines 307 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 13:32:31,701 INFO L444 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse4 (= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) (and .cse1 .cse4 .cse3)))) [2018-11-28 13:32:31,701 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 352) no Hoare annotation was computed. [2018-11-28 13:32:31,701 INFO L444 ceAbstractionStarter]: At program point L346-1(lines 338 353) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse4 .cse1 .cse2) (and .cse5 (and .cse3 .cse0 .cse2)) (and .cse5 .cse3 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:32:31,701 INFO L448 ceAbstractionStarter]: For program point L309(lines 308 357) no Hoare annotation was computed. [2018-11-28 13:32:31,701 INFO L444 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 0))) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 (and .cse1 (= ~pumpRunning~0 1) .cse2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-28 13:32:31,701 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 353) no Hoare annotation was computed. [2018-11-28 13:32:31,701 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse0 (= 2 ~waterLevel~0)) (.cse5 (= ~systemActive~0 0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse4 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse1 .cse2) (and .cse5 (and (and .cse3 .cse0 .cse2) .cse6)) (and .cse5 .cse3 .cse4 .cse2 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:32:31,701 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2018-11-28 13:32:31,701 INFO L448 ceAbstractionStarter]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2018-11-28 13:32:31,701 INFO L444 ceAbstractionStarter]: At program point L355(lines 308 357) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse6 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse6 (and .cse0 .cse4 .cse3) .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= ~pumpRunning~0 1) .cse2 .cse3) (and .cse6 .cse0 .cse1 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 13:32:31,701 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 298 365) no Hoare annotation was computed. [2018-11-28 13:32:31,702 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 13:32:31,702 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2018-11-28 13:32:31,702 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2018-11-28 13:32:31,702 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 1021 1029) no Hoare annotation was computed. [2018-11-28 13:32:31,702 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 1021 1029) the Hoare annotation is: true [2018-11-28 13:32:31,702 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 1021 1029) no Hoare annotation was computed. [2018-11-28 13:32:31,702 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:32:31,702 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 13:32:31,702 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:32:31,702 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 165) no Hoare annotation was computed. [2018-11-28 13:32:31,702 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 13:32:31,702 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-28 13:32:31,702 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 152 168) no Hoare annotation was computed. [2018-11-28 13:32:31,702 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 152 168) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 13:32:31,703 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 152 168) no Hoare annotation was computed. [2018-11-28 13:32:31,703 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 998 1006) the Hoare annotation is: true [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 998 1006) no Hoare annotation was computed. [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 998 1006) no Hoare annotation was computed. [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2018-11-28 13:32:31,703 INFO L451 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2018-11-28 13:32:31,703 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 246) no Hoare annotation was computed. [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point L958-1(lines 954 965) no Hoare annotation was computed. [2018-11-28 13:32:31,703 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 954 965) the Hoare annotation is: true [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 954 965) no Hoare annotation was computed. [2018-11-28 13:32:31,703 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2018-11-28 13:32:31,704 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 803) no Hoare annotation was computed. [2018-11-28 13:32:31,704 INFO L451 ceAbstractionStarter]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2018-11-28 13:32:31,704 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2018-11-28 13:32:31,704 INFO L448 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2018-11-28 13:32:31,704 INFO L451 ceAbstractionStarter]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2018-11-28 13:32:31,704 INFO L451 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: true [2018-11-28 13:32:31,704 INFO L448 ceAbstractionStarter]: For program point L791-1(line 791) no Hoare annotation was computed. [2018-11-28 13:32:31,704 INFO L451 ceAbstractionStarter]: At program point L810(lines 785 814) the Hoare annotation is: true [2018-11-28 13:32:31,704 INFO L448 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2018-11-28 13:32:31,704 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 966 974) the Hoare annotation is: true [2018-11-28 13:32:31,704 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 966 974) no Hoare annotation was computed. [2018-11-28 13:32:31,704 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 966 974) no Hoare annotation was computed. [2018-11-28 13:32:31,704 INFO L448 ceAbstractionStarter]: For program point L64(lines 60 82) no Hoare annotation was computed. [2018-11-28 13:32:31,704 INFO L448 ceAbstractionStarter]: For program point L62(lines 60 82) no Hoare annotation was computed. [2018-11-28 13:32:31,705 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 57 83) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse12 .cse7)) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse12 (= 2 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or (or (or .cse6 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse7)) (or .cse0 .cse4 .cse6 .cse5) (or .cse0 .cse8 .cse6 .cse9 .cse5) (or .cse10 .cse0 .cse2 .cse11 .cse5) (or .cse10 .cse0 .cse6 .cse11 .cse5) (or (or .cse0 .cse6 .cse1) .cse3) (or .cse0 .cse2 .cse9 .cse5 .cse8)))) [2018-11-28 13:32:31,705 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2018-11-28 13:32:31,705 INFO L444 ceAbstractionStarter]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~systemActive~0 0)))) (and (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse3 .cse4 .cse1 .cse5) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse3 .cse6 .cse5) (or (or .cse3 .cse2) .cse6)))) [2018-11-28 13:32:31,705 INFO L444 ceAbstractionStarter]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse4 (and .cse7 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 1) .cse3) .cse4) (or .cse0 .cse4 .cse1 .cse5) (or (or .cse0 .cse2) .cse6 .cse4) (or .cse0 .cse6 .cse5 .cse4) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse7 (= 1 ~waterLevel~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-28 13:32:31,705 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2018-11-28 13:32:31,705 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or .cse0 .cse4 .cse3) (or (or .cse0 .cse2) .cse4))) [2018-11-28 13:32:31,705 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 930 941) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 13:32:31,705 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 930 941) no Hoare annotation was computed. [2018-11-28 13:32:31,705 INFO L448 ceAbstractionStarter]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2018-11-28 13:32:31,705 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 839 845) no Hoare annotation was computed. [2018-11-28 13:32:31,705 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 839 845) the Hoare annotation is: true [2018-11-28 13:32:31,706 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:32:31,706 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-28 13:32:31,706 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:32:31,706 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:32:31,706 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 286 293) no Hoare annotation was computed. [2018-11-28 13:32:31,706 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 286 293) the Hoare annotation is: (let ((.cse1 (= |old(~systemActive~0)| 0)) (.cse0 (not (= ~systemActive~0 0)))) (and (or (or (not (= 1 ~pumpRunning~0)) (not (= ~waterLevel~0 2))) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 13:32:31,706 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 286 293) no Hoare annotation was computed. [2018-11-28 13:32:31,706 INFO L448 ceAbstractionStarter]: For program point L98-1(line 98) no Hoare annotation was computed. [2018-11-28 13:32:31,706 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 92 116) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-28 13:32:31,706 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 113) no Hoare annotation was computed. [2018-11-28 13:32:31,706 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 92 116) no Hoare annotation was computed. [2018-11-28 13:32:31,706 INFO L444 ceAbstractionStarter]: At program point L111(line 111) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 13:32:31,707 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2018-11-28 13:32:31,707 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 13:32:31,707 INFO L444 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-28 13:32:31,707 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 108) no Hoare annotation was computed. [2018-11-28 13:32:31,707 INFO L444 ceAbstractionStarter]: At program point L98(line 98) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-28 13:32:31,707 INFO L448 ceAbstractionStarter]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2018-11-28 13:32:31,707 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 942 953) no Hoare annotation was computed. [2018-11-28 13:32:31,707 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 942 953) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or (or .cse3 .cse0) .cse1 .cse4 .cse2) (or (or .cse3 .cse0 .cse5) .cse1) (or .cse6 .cse1 .cse4 .cse3 .cse2) (or .cse6 (or .cse5 .cse3) .cse4 .cse1))) [2018-11-28 13:32:31,707 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 919 926) no Hoare annotation was computed. [2018-11-28 13:32:31,707 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 919 926) the Hoare annotation is: true [2018-11-28 13:32:31,708 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 923) no Hoare annotation was computed. [2018-11-28 13:32:31,708 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 919 926) no Hoare annotation was computed. [2018-11-28 13:32:31,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:32:31 BoogieIcfgContainer [2018-11-28 13:32:31,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:32:31,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:32:31,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:32:31,723 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:32:31,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:32:18" (3/4) ... [2018-11-28 13:32:31,730 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:32:31,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:32:31,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:32:31,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-28 13:32:31,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:32:31,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:32:31,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:32:31,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 13:32:31,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:32:31,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:32:31,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:32:31,746 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 13:32:31,747 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 13:32:31,747 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:32:31,747 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 13:32:31,748 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:32:31,748 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:32:31,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((systemActive == 0 && (0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((systemActive == 0 && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-28 13:32:31,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 13:32:31,801 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f97adda9-3952-4169-a826-09b5a50225a4/bin-2019/uautomizer/witness.graphml [2018-11-28 13:32:31,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:32:31,802 INFO L168 Benchmark]: Toolchain (without parser) took 14180.88 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 727.7 MB). Free memory was 951.7 MB in the beginning and 1.4 GB in the end (delta: -454.4 MB). Peak memory consumption was 273.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:31,803 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:32:31,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:31,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:31,803 INFO L168 Benchmark]: Boogie Preprocessor took 30.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:32:31,803 INFO L168 Benchmark]: RCFGBuilder took 492.31 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:31,804 INFO L168 Benchmark]: TraceAbstraction took 13159.59 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 567.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -314.2 MB). Peak memory consumption was 714.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:32:31,804 INFO L168 Benchmark]: Witness Printer took 78.60 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 440.6 kB). Peak memory consumption was 440.6 kB. Max. memory is 11.5 GB. [2018-11-28 13:32:31,805 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.60 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. * RCFGBuilder took 492.31 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: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13159.59 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 567.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -314.2 MB). Peak memory consumption was 714.2 MB. Max. memory is 11.5 GB. * Witness Printer took 78.60 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 440.6 kB). Peak memory consumption was 440.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: 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: 307]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((systemActive == 0 && (0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((systemActive == 0 && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 176 locations, 1 error locations. SAFE Result, 13.0s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 5.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2748 SDtfs, 2721 SDslu, 8928 SDs, 0 SdLazy, 6309 SolverSat, 1191 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1436 GetRequests, 1295 SyntacticMatches, 4 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3037occurred 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: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 854 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4763 PreInvPairs, 4922 NumberOfFragments, 2507 HoareAnnotationTreeSize, 4763 FomulaSimplifications, 16621 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 72 FomulaSimplificationsInter, 30866 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 3200 NumberOfCodeBlocks, 3200 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3184 ConstructedInterpolants, 0 QuantifiedInterpolants, 1101398 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5225 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 2759/2828 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...