./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_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_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/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 23cbf887df70a1f42db96b12c0b9702076660a13 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:35:16,123 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:35:16,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:35:16,131 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:35:16,131 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:35:16,132 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:35:16,133 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:35:16,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:35:16,135 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:35:16,136 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:35:16,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:35:16,137 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:35:16,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:35:16,138 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:35:16,139 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:35:16,139 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:35:16,140 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:35:16,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:35:16,143 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:35:16,144 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:35:16,145 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:35:16,145 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:35:16,147 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:35:16,147 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:35:16,147 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:35:16,148 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:35:16,149 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:35:16,149 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:35:16,150 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:35:16,151 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:35:16,151 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:35:16,151 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:35:16,152 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:35:16,152 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:35:16,152 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:35:16,153 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:35:16,153 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:35:16,163 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:35:16,164 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:35:16,164 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:35:16,164 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:35:16,165 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:35:16,165 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:35:16,165 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:35:16,165 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:35:16,165 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:35:16,165 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:35:16,166 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:35:16,166 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:35:16,166 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:35:16,166 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:35:16,166 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:35:16,166 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:35:16,166 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:35:16,166 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:35:16,166 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:35:16,167 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:35:16,167 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:35:16,167 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:35:16,167 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:35:16,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:35:16,167 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:35:16,167 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:35:16,167 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:35:16,168 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:35:16,168 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:35:16,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:35:16,168 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_35015dad-c29a-4a96-b6b4-3b938ac335fd/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 -> 23cbf887df70a1f42db96b12c0b9702076660a13 [2018-11-28 11:35:16,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:35:16,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:35:16,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:35:16,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:35:16,202 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:35:16,203 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-11-28 11:35:16,243 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/data/07e186b2a/8c85196889df42a39e173b9b571b9593/FLAG253e9076c [2018-11-28 11:35:16,651 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:35:16,652 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-11-28 11:35:16,660 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/data/07e186b2a/8c85196889df42a39e173b9b571b9593/FLAG253e9076c [2018-11-28 11:35:16,672 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/data/07e186b2a/8c85196889df42a39e173b9b571b9593 [2018-11-28 11:35:16,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:35:16,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:35:16,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:35:16,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:35:16,680 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:35:16,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:35:16" (1/1) ... [2018-11-28 11:35:16,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:16, skipping insertion in model container [2018-11-28 11:35:16,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:35:16" (1/1) ... [2018-11-28 11:35:16,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:35:16,718 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:35:16,929 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:35:16,993 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:35:17,051 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:35:17,073 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:35:17,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17 WrapperNode [2018-11-28 11:35:17,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:35:17,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:35:17,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:35:17,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:35:17,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (1/1) ... [2018-11-28 11:35:17,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (1/1) ... [2018-11-28 11:35:17,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:35:17,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:35:17,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:35:17,103 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:35:17,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (1/1) ... [2018-11-28 11:35:17,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (1/1) ... [2018-11-28 11:35:17,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (1/1) ... [2018-11-28 11:35:17,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (1/1) ... [2018-11-28 11:35:17,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (1/1) ... [2018-11-28 11:35:17,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (1/1) ... [2018-11-28 11:35:17,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (1/1) ... [2018-11-28 11:35:17,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:35:17,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:35:17,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:35:17,134 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:35:17,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:35:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:35:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:35:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:35:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:35:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:35:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:35:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:35:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:35:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:35:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:35:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:35:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:35:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:35:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:35:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:35:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:35:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:35:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 11:35:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 11:35:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:35:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:35:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:35:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:35:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:35:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:35:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:35:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:35:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:35:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:35:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:35:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:35:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 11:35:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 11:35:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:35:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:35:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:35:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:35:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:35:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:35:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:35:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:35:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:35:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:35:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:35:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:35:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:35:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:35:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:35:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:35:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:35:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:35:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:35:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:35:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:35:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:35:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:35:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:35:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:35:17,636 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:35:17,637 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:35:17,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:35:17 BoogieIcfgContainer [2018-11-28 11:35:17,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:35:17,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:35:17,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:35:17,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:35:17,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:35:16" (1/3) ... [2018-11-28 11:35:17,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd0c000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:35:17, skipping insertion in model container [2018-11-28 11:35:17,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:35:17" (2/3) ... [2018-11-28 11:35:17,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd0c000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:35:17, skipping insertion in model container [2018-11-28 11:35:17,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:35:17" (3/3) ... [2018-11-28 11:35:17,643 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-11-28 11:35:17,650 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:35:17,656 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:35:17,665 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:35:17,684 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:35:17,684 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:35:17,684 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:35:17,684 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:35:17,684 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:35:17,685 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:35:17,685 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:35:17,685 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:35:17,685 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:35:17,703 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-11-28 11:35:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:35:17,711 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:17,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:17,713 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:17,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:17,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1964554261, now seen corresponding path program 1 times [2018-11-28 11:35:17,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:17,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:17,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:17,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:17,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:35:17,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:35:17,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:35:17,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:35:17,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:35:17,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:35:17,923 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-11-28 11:35:17,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:17,947 INFO L93 Difference]: Finished difference Result 266 states and 329 transitions. [2018-11-28 11:35:17,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:35:17,948 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 11:35:17,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:17,955 INFO L225 Difference]: With dead ends: 266 [2018-11-28 11:35:17,955 INFO L226 Difference]: Without dead ends: 133 [2018-11-28 11:35:17,957 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:35:17,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-28 11:35:17,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-28 11:35:17,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-28 11:35:17,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2018-11-28 11:35:17,994 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 52 [2018-11-28 11:35:17,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:17,995 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2018-11-28 11:35:17,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:35:17,995 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2018-11-28 11:35:17,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 11:35:17,998 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:17,998 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:17,998 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:17,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:17,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1078735596, now seen corresponding path program 1 times [2018-11-28 11:35:17,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:17,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:17,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:17,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:18,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:35:18,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:35:18,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:35:18,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:35:18,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:35:18,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:35:18,081 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2018-11-28 11:35:18,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:18,098 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2018-11-28 11:35:18,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:35:18,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 11:35:18,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:18,100 INFO L225 Difference]: With dead ends: 211 [2018-11-28 11:35:18,100 INFO L226 Difference]: Without dead ends: 124 [2018-11-28 11:35:18,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:35:18,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-28 11:35:18,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-28 11:35:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-28 11:35:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-11-28 11:35:18,112 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 53 [2018-11-28 11:35:18,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:18,113 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-11-28 11:35:18,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:35:18,113 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-11-28 11:35:18,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 11:35:18,114 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:18,114 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:18,115 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:18,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:18,115 INFO L82 PathProgramCache]: Analyzing trace with hash -366396523, now seen corresponding path program 1 times [2018-11-28 11:35:18,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:18,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:18,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:18,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:18,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:35:18,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:35:18,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:35:18,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:35:18,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:35:18,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:35:18,239 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-11-28 11:35:18,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:18,468 INFO L93 Difference]: Finished difference Result 224 states and 265 transitions. [2018-11-28 11:35:18,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:35:18,468 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 11:35:18,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:18,470 INFO L225 Difference]: With dead ends: 224 [2018-11-28 11:35:18,470 INFO L226 Difference]: Without dead ends: 124 [2018-11-28 11:35:18,470 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 11:35:18,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-28 11:35:18,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-28 11:35:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-28 11:35:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-11-28 11:35:18,479 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 58 [2018-11-28 11:35:18,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:18,479 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-11-28 11:35:18,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:35:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-11-28 11:35:18,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-28 11:35:18,481 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:18,481 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:18,482 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:18,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:18,482 INFO L82 PathProgramCache]: Analyzing trace with hash -412527028, now seen corresponding path program 1 times [2018-11-28 11:35:18,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:18,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:18,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:18,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:18,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:35:18,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:35:18,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:35:18,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:35:18,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:35:18,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:35:18,595 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2018-11-28 11:35:19,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:19,089 INFO L93 Difference]: Finished difference Result 335 states and 403 transitions. [2018-11-28 11:35:19,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:35:19,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-28 11:35:19,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:19,091 INFO L225 Difference]: With dead ends: 335 [2018-11-28 11:35:19,092 INFO L226 Difference]: Without dead ends: 235 [2018-11-28 11:35:19,092 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:35:19,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-28 11:35:19,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 216. [2018-11-28 11:35:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-28 11:35:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2018-11-28 11:35:19,118 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 71 [2018-11-28 11:35:19,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:19,132 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2018-11-28 11:35:19,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:35:19,133 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2018-11-28 11:35:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-28 11:35:19,134 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:19,134 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:19,134 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:19,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:19,135 INFO L82 PathProgramCache]: Analyzing trace with hash 985720040, now seen corresponding path program 1 times [2018-11-28 11:35:19,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:19,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:19,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:19,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:19,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:35:19,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:35:19,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:35:19,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:35:19,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:35:19,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:35:19,227 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 6 states. [2018-11-28 11:35:19,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:19,382 INFO L93 Difference]: Finished difference Result 528 states and 633 transitions. [2018-11-28 11:35:19,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:35:19,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-28 11:35:19,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:19,388 INFO L225 Difference]: With dead ends: 528 [2018-11-28 11:35:19,389 INFO L226 Difference]: Without dead ends: 336 [2018-11-28 11:35:19,390 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:35:19,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-11-28 11:35:19,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 332. [2018-11-28 11:35:19,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-11-28 11:35:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 384 transitions. [2018-11-28 11:35:19,418 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 384 transitions. Word has length 85 [2018-11-28 11:35:19,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:19,419 INFO L480 AbstractCegarLoop]: Abstraction has 332 states and 384 transitions. [2018-11-28 11:35:19,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:35:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 384 transitions. [2018-11-28 11:35:19,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 11:35:19,421 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:19,421 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:19,421 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:19,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:19,421 INFO L82 PathProgramCache]: Analyzing trace with hash 134647598, now seen corresponding path program 1 times [2018-11-28 11:35:19,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:19,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:19,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:19,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:19,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:35:19,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:35:19,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:35:19,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:35:19,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:35:19,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:35:19,520 INFO L87 Difference]: Start difference. First operand 332 states and 384 transitions. Second operand 6 states. [2018-11-28 11:35:19,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:19,698 INFO L93 Difference]: Finished difference Result 711 states and 857 transitions. [2018-11-28 11:35:19,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:35:19,699 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-28 11:35:19,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:19,702 INFO L225 Difference]: With dead ends: 711 [2018-11-28 11:35:19,702 INFO L226 Difference]: Without dead ends: 519 [2018-11-28 11:35:19,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:35:19,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-11-28 11:35:19,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 501. [2018-11-28 11:35:19,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2018-11-28 11:35:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 593 transitions. [2018-11-28 11:35:19,736 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 593 transitions. Word has length 89 [2018-11-28 11:35:19,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:19,736 INFO L480 AbstractCegarLoop]: Abstraction has 501 states and 593 transitions. [2018-11-28 11:35:19,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:35:19,736 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 593 transitions. [2018-11-28 11:35:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 11:35:19,738 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:19,738 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:19,738 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:19,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:19,738 INFO L82 PathProgramCache]: Analyzing trace with hash -788035985, now seen corresponding path program 1 times [2018-11-28 11:35:19,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:19,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:19,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:19,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:19,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:35:19,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:35:19,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:35:19,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:35:19,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:35:19,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:35:19,788 INFO L87 Difference]: Start difference. First operand 501 states and 593 transitions. Second operand 5 states. [2018-11-28 11:35:19,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:19,820 INFO L93 Difference]: Finished difference Result 872 states and 1054 transitions. [2018-11-28 11:35:19,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:35:19,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-28 11:35:19,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:19,824 INFO L225 Difference]: With dead ends: 872 [2018-11-28 11:35:19,824 INFO L226 Difference]: Without dead ends: 511 [2018-11-28 11:35:19,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:35:19,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-28 11:35:19,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-11-28 11:35:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-11-28 11:35:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 596 transitions. [2018-11-28 11:35:19,855 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 596 transitions. Word has length 89 [2018-11-28 11:35:19,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:19,855 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 596 transitions. [2018-11-28 11:35:19,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:35:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 596 transitions. [2018-11-28 11:35:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 11:35:19,857 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:19,857 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:19,857 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:19,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:19,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1632041487, now seen corresponding path program 1 times [2018-11-28 11:35:19,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:19,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:19,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:19,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:19,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:35:19,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:35:19,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:35:19,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:35:19,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:35:19,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:35:19,929 INFO L87 Difference]: Start difference. First operand 505 states and 596 transitions. Second operand 9 states. [2018-11-28 11:35:20,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:20,004 INFO L93 Difference]: Finished difference Result 992 states and 1194 transitions. [2018-11-28 11:35:20,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:35:20,005 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-28 11:35:20,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:20,007 INFO L225 Difference]: With dead ends: 992 [2018-11-28 11:35:20,007 INFO L226 Difference]: Without dead ends: 511 [2018-11-28 11:35:20,008 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:35:20,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-28 11:35:20,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-11-28 11:35:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-11-28 11:35:20,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 594 transitions. [2018-11-28 11:35:20,027 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 594 transitions. Word has length 89 [2018-11-28 11:35:20,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:20,028 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 594 transitions. [2018-11-28 11:35:20,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:35:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 594 transitions. [2018-11-28 11:35:20,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-28 11:35:20,029 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:20,029 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:20,030 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:20,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:20,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1949044827, now seen corresponding path program 1 times [2018-11-28 11:35:20,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:20,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:20,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:20,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:20,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:35:20,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:35:20,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 11:35:20,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 11:35:20,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 11:35:20,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:35:20,130 INFO L87 Difference]: Start difference. First operand 505 states and 594 transitions. Second operand 10 states. [2018-11-28 11:35:20,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:20,317 INFO L93 Difference]: Finished difference Result 992 states and 1170 transitions. [2018-11-28 11:35:20,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 11:35:20,318 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-11-28 11:35:20,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:20,320 INFO L225 Difference]: With dead ends: 992 [2018-11-28 11:35:20,320 INFO L226 Difference]: Without dead ends: 511 [2018-11-28 11:35:20,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:35:20,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-28 11:35:20,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 490. [2018-11-28 11:35:20,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-11-28 11:35:20,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 559 transitions. [2018-11-28 11:35:20,347 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 559 transitions. Word has length 90 [2018-11-28 11:35:20,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:20,347 INFO L480 AbstractCegarLoop]: Abstraction has 490 states and 559 transitions. [2018-11-28 11:35:20,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 11:35:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 559 transitions. [2018-11-28 11:35:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-28 11:35:20,349 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:20,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:20,350 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:20,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:20,350 INFO L82 PathProgramCache]: Analyzing trace with hash -315478544, now seen corresponding path program 1 times [2018-11-28 11:35:20,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:20,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:20,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:20,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:20,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 11:35:20,416 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:35:20,416 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:35:20,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:20,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:35:20,801 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:35:20,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:35:20,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-28 11:35:20,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 11:35:20,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 11:35:20,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-28 11:35:20,832 INFO L87 Difference]: Start difference. First operand 490 states and 559 transitions. Second operand 12 states. [2018-11-28 11:35:22,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:22,170 INFO L93 Difference]: Finished difference Result 1350 states and 1662 transitions. [2018-11-28 11:35:22,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 11:35:22,171 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2018-11-28 11:35:22,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:22,175 INFO L225 Difference]: With dead ends: 1350 [2018-11-28 11:35:22,175 INFO L226 Difference]: Without dead ends: 956 [2018-11-28 11:35:22,177 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-11-28 11:35:22,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2018-11-28 11:35:22,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 865. [2018-11-28 11:35:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2018-11-28 11:35:22,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1006 transitions. [2018-11-28 11:35:22,224 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1006 transitions. Word has length 138 [2018-11-28 11:35:22,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:22,224 INFO L480 AbstractCegarLoop]: Abstraction has 865 states and 1006 transitions. [2018-11-28 11:35:22,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 11:35:22,224 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1006 transitions. [2018-11-28 11:35:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-28 11:35:22,226 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:22,226 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:22,227 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:22,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:22,227 INFO L82 PathProgramCache]: Analyzing trace with hash 656533556, now seen corresponding path program 1 times [2018-11-28 11:35:22,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:22,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:22,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:22,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:22,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 11:35:22,349 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:35:22,349 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:35:22,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:22,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:35:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 11:35:22,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:35:22,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 11:35:22,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 11:35:22,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 11:35:22,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:35:22,521 INFO L87 Difference]: Start difference. First operand 865 states and 1006 transitions. Second operand 11 states. [2018-11-28 11:35:22,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:22,589 INFO L93 Difference]: Finished difference Result 1525 states and 1796 transitions. [2018-11-28 11:35:22,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:35:22,590 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2018-11-28 11:35:22,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:22,593 INFO L225 Difference]: With dead ends: 1525 [2018-11-28 11:35:22,593 INFO L226 Difference]: Without dead ends: 749 [2018-11-28 11:35:22,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:35:22,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2018-11-28 11:35:22,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2018-11-28 11:35:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2018-11-28 11:35:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 867 transitions. [2018-11-28 11:35:22,630 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 867 transitions. Word has length 134 [2018-11-28 11:35:22,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:22,630 INFO L480 AbstractCegarLoop]: Abstraction has 749 states and 867 transitions. [2018-11-28 11:35:22,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 11:35:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 867 transitions. [2018-11-28 11:35:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-28 11:35:22,632 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:35:22,632 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:35:22,632 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:35:22,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:35:22,632 INFO L82 PathProgramCache]: Analyzing trace with hash -544472691, now seen corresponding path program 1 times [2018-11-28 11:35:22,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:35:22,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:35:22,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:22,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:22,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:35:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 11:35:22,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:35:22,695 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:35:22,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:35:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:35:22,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:35:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 11:35:23,208 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:35:23,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-28 11:35:23,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 11:35:23,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 11:35:23,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 11:35:23,210 INFO L87 Difference]: Start difference. First operand 749 states and 867 transitions. Second operand 15 states. [2018-11-28 11:35:24,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:35:24,858 INFO L93 Difference]: Finished difference Result 2697 states and 3778 transitions. [2018-11-28 11:35:24,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 11:35:24,859 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-11-28 11:35:24,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:35:24,860 INFO L225 Difference]: With dead ends: 2697 [2018-11-28 11:35:24,860 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:35:24,863 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 11:35:24,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:35:24,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:35:24,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:35:24,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:35:24,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-11-28 11:35:24,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:35:24,865 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:35:24,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 11:35:24,865 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:35:24,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:35:24,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:35:24,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:24,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:35:25,738 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-28 11:35:25,905 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2018-11-28 11:35:26,090 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2018-11-28 11:35:26,537 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2018-11-28 11:35:27,292 WARN L180 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-11-28 11:35:27,545 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2018-11-28 11:35:27,882 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-11-28 11:35:28,057 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-11-28 11:35:28,365 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2018-11-28 11:35:28,500 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-11-28 11:35:29,394 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-11-28 11:35:29,776 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 11:35:29,776 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 11:35:29,776 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 11:35:29,776 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 11:35:29,776 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 11:35:29,776 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 802 809) no Hoare annotation was computed. [2018-11-28 11:35:29,776 INFO L448 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2018-11-28 11:35:29,776 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:35:29,776 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:35:29,777 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 792 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:35:29,777 INFO L444 ceAbstractionStarter]: At program point L798-1(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:35:29,777 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 792 814) no Hoare annotation was computed. [2018-11-28 11:35:29,777 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 792 814) no Hoare annotation was computed. [2018-11-28 11:35:29,777 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:35:29,777 INFO L444 ceAbstractionStarter]: At program point L804-1(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 11:35:29,777 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 809) no Hoare annotation was computed. [2018-11-28 11:35:29,777 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2018-11-28 11:35:29,777 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2018-11-28 11:35:29,777 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2018-11-28 11:35:29,777 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 11:35:29,777 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 11:35:29,778 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 782 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:35:29,778 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 782 791) no Hoare annotation was computed. [2018-11-28 11:35:29,778 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 782 791) no Hoare annotation was computed. [2018-11-28 11:35:29,778 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 261 271) the Hoare annotation is: true [2018-11-28 11:35:29,778 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2018-11-28 11:35:29,778 INFO L451 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: true [2018-11-28 11:35:29,778 INFO L448 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2018-11-28 11:35:29,778 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2018-11-28 11:35:29,778 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 11:35:29,778 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2018-11-28 11:35:29,778 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2018-11-28 11:35:29,778 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 896 909) no Hoare annotation was computed. [2018-11-28 11:35:29,778 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2018-11-28 11:35:29,779 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 896 909) the Hoare annotation is: true [2018-11-28 11:35:29,779 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 896 909) no Hoare annotation was computed. [2018-11-28 11:35:29,779 INFO L448 ceAbstractionStarter]: For program point L226-1(line 226) no Hoare annotation was computed. [2018-11-28 11:35:29,779 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 241) no Hoare annotation was computed. [2018-11-28 11:35:29,779 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2018-11-28 11:35:29,779 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 11:35:29,779 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 11:35:29,779 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2018-11-28 11:35:29,779 INFO L444 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 11:35:29,779 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 11:35:29,779 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2018-11-28 11:35:29,780 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 11:35:29,780 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2018-11-28 11:35:29,780 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2018-11-28 11:35:29,780 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:35:29,780 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 99) no Hoare annotation was computed. [2018-11-28 11:35:29,780 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2018-11-28 11:35:29,780 INFO L444 ceAbstractionStarter]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:35:29,780 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 135) no Hoare annotation was computed. [2018-11-28 11:35:29,780 INFO L444 ceAbstractionStarter]: At program point L131-2(lines 123 136) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:35:29,780 INFO L448 ceAbstractionStarter]: For program point L94(lines 93 140) no Hoare annotation was computed. [2018-11-28 11:35:29,781 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:35:29,781 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-11-28 11:35:29,781 INFO L444 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:35:29,781 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2018-11-28 11:35:29,781 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2018-11-28 11:35:29,781 INFO L444 ceAbstractionStarter]: At program point L138(lines 93 140) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:35:29,781 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:35:29,781 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-11-28 11:35:29,781 INFO L448 ceAbstractionStarter]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2018-11-28 11:35:29,781 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2018-11-28 11:35:29,781 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 11:35:29,782 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 887 895) the Hoare annotation is: true [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L451 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-11-28 11:35:29,782 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not .cse7)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse0 .cse5) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse6 .cse7)))) [2018-11-28 11:35:29,783 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-11-28 11:35:29,783 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2018-11-28 11:35:29,783 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2018-11-28 11:35:29,783 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2018-11-28 11:35:29,783 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 721 750) no Hoare annotation was computed. [2018-11-28 11:35:29,783 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2018-11-28 11:35:29,783 INFO L451 ceAbstractionStarter]: At program point L735-1(lines 735 739) the Hoare annotation is: true [2018-11-28 11:35:29,783 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 721 750) the Hoare annotation is: true [2018-11-28 11:35:29,783 INFO L448 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2018-11-28 11:35:29,783 INFO L451 ceAbstractionStarter]: At program point L731-2(lines 731 745) the Hoare annotation is: true [2018-11-28 11:35:29,783 INFO L451 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: true [2018-11-28 11:35:29,783 INFO L448 ceAbstractionStarter]: For program point L727-1(line 727) no Hoare annotation was computed. [2018-11-28 11:35:29,783 INFO L451 ceAbstractionStarter]: At program point L746(lines 721 750) the Hoare annotation is: true [2018-11-28 11:35:29,783 INFO L448 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2018-11-28 11:35:29,784 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse4 .cse1 .cse5)))) [2018-11-28 11:35:29,784 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or .cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or (<= 1 ~waterLevel~0) .cse1 .cse4 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse6 .cse0 .cse2 .cse5) (or .cse1 .cse4 .cse6)))) [2018-11-28 11:35:29,784 INFO L444 ceAbstractionStarter]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-11-28 11:35:29,784 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2018-11-28 11:35:29,784 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-11-28 11:35:29,784 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2018-11-28 11:35:29,784 INFO L448 ceAbstractionStarter]: For program point L166(lines 165 184) no Hoare annotation was computed. [2018-11-28 11:35:29,785 INFO L444 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-11-28 11:35:29,785 INFO L448 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2018-11-28 11:35:29,785 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-11-28 11:35:29,785 INFO L448 ceAbstractionStarter]: For program point L926-1(lines 911 943) no Hoare annotation was computed. [2018-11-28 11:35:29,785 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 911 943) no Hoare annotation was computed. [2018-11-28 11:35:29,785 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse3 .cse6))) [2018-11-28 11:35:29,785 INFO L448 ceAbstractionStarter]: For program point L924-1(line 924) no Hoare annotation was computed. [2018-11-28 11:35:29,785 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 911 943) the Hoare annotation is: true [2018-11-28 11:35:29,785 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2018-11-28 11:35:29,785 INFO L451 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2018-11-28 11:35:29,785 INFO L448 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2018-11-28 11:35:29,785 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-28 11:35:29,786 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2018-11-28 11:35:29,786 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-11-28 11:35:29,786 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2018-11-28 11:35:29,786 INFO L448 ceAbstractionStarter]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2018-11-28 11:35:29,786 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 775 781) no Hoare annotation was computed. [2018-11-28 11:35:29,786 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 775 781) the Hoare annotation is: true [2018-11-28 11:35:29,786 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:35:29,786 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 11:35:29,786 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:35:29,786 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:35:29,786 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-28 11:35:29,787 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2018-11-28 11:35:29,787 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 11:35:29,787 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2018-11-28 11:35:29,787 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse0))) [2018-11-28 11:35:29,787 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 11:35:29,787 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2018-11-28 11:35:29,787 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-11-28 11:35:29,787 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-28 11:35:29,787 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2018-11-28 11:35:29,787 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-11-28 11:35:29,788 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse1) .cse2) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse2 .cse1))) [2018-11-28 11:35:29,788 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-11-28 11:35:29,788 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2018-11-28 11:35:29,788 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-11-28 11:35:29,788 INFO L448 ceAbstractionStarter]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2018-11-28 11:35:29,788 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 711 718) no Hoare annotation was computed. [2018-11-28 11:35:29,788 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2018-11-28 11:35:29,788 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 711 718) the Hoare annotation is: true [2018-11-28 11:35:29,788 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 711 718) no Hoare annotation was computed. [2018-11-28 11:35:29,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:35:29 BoogieIcfgContainer [2018-11-28 11:35:29,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:35:29,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:35:29,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:35:29,801 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:35:29,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:35:17" (3/4) ... [2018-11-28 11:35:29,805 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:35:29,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:35:29,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:35:29,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:35:29,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 11:35:29,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:35:29,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:35:29,820 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 11:35:29,821 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 11:35:29,821 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:35:29,821 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 11:35:29,822 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:35:29,822 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:35:29,843 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:35:29,843 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:35:29,874 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_35015dad-c29a-4a96-b6b4-3b938ac335fd/bin-2019/uautomizer/witness.graphml [2018-11-28 11:35:29,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:35:29,876 INFO L168 Benchmark]: Toolchain (without parser) took 13200.59 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 402.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 245.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:35:29,877 INFO L168 Benchmark]: CDTParser took 0.11 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 11:35:29,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:35:29,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:35:29,877 INFO L168 Benchmark]: Boogie Preprocessor took 30.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:35:29,877 INFO L168 Benchmark]: RCFGBuilder took 503.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:35:29,878 INFO L168 Benchmark]: TraceAbstraction took 12162.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 272.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -49.9 MB). Peak memory consumption was 446.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:35:29,878 INFO L168 Benchmark]: Witness Printer took 73.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:35:29,879 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 396.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 503.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12162.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 272.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -49.9 MB). Peak memory consumption was 446.7 MB. Max. memory is 11.5 GB. * Witness Printer took 73.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: 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: 93]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 146 locations, 1 error locations. SAFE Result, 12.1s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 4.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1998 SDtfs, 2185 SDslu, 6896 SDs, 0 SdLazy, 5037 SolverSat, 1282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 579 GetRequests, 452 SyntacticMatches, 2 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=865occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 165 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2595 PreInvPairs, 3176 NumberOfFragments, 1667 HoareAnnotationTreeSize, 2595 FomulaSimplifications, 13847 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 61 FomulaSimplificationsInter, 31538 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1496 NumberOfCodeBlocks, 1496 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1481 ConstructedInterpolants, 0 QuantifiedInterpolants, 254080 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2516 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 170/186 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...