./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_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_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/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 9c111f83061d8c18367444893b685a787d8ca976 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:33:26,121 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:33:26,122 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:33:26,131 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:33:26,131 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:33:26,132 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:33:26,133 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:33:26,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:33:26,135 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:33:26,136 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:33:26,137 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:33:26,137 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:33:26,138 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:33:26,139 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:33:26,140 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:33:26,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:33:26,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:33:26,143 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:33:26,144 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:33:26,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:33:26,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:33:26,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:33:26,149 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:33:26,149 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:33:26,149 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:33:26,150 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:33:26,151 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:33:26,151 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:33:26,152 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:33:26,153 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:33:26,153 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:33:26,154 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:33:26,154 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:33:26,154 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:33:26,155 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:33:26,156 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:33:26,156 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 10:33:26,166 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:33:26,166 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:33:26,167 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:33:26,167 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:33:26,168 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:33:26,168 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:33:26,168 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:33:26,168 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:33:26,168 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:33:26,168 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:33:26,168 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:33:26,169 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:33:26,169 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:33:26,169 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:33:26,169 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:33:26,169 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:33:26,169 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:33:26,169 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:33:26,169 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:33:26,170 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:33:26,170 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:33:26,170 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:33:26,170 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:33:26,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:33:26,170 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:33:26,170 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:33:26,171 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:33:26,171 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:33:26,171 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:33:26,171 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 10:33:26,171 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_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/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 -> 9c111f83061d8c18367444893b685a787d8ca976 [2018-11-28 10:33:26,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:33:26,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:33:26,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:33:26,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:33:26,207 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:33:26,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-28 10:33:26,247 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/data/c1cfe089f/6ed2a364b48c422993a705bcc28c60a9/FLAGcd1c20c08 [2018-11-28 10:33:26,648 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:33:26,648 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-28 10:33:26,656 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/data/c1cfe089f/6ed2a364b48c422993a705bcc28c60a9/FLAGcd1c20c08 [2018-11-28 10:33:27,018 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/data/c1cfe089f/6ed2a364b48c422993a705bcc28c60a9 [2018-11-28 10:33:27,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:33:27,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:33:27,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:27,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:33:27,024 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:33:27,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143c444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27, skipping insertion in model container [2018-11-28 10:33:27,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:33:27,063 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:33:27,259 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:27,270 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:33:27,376 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:27,393 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:33:27,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27 WrapperNode [2018-11-28 10:33:27,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:27,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:27,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:33:27,394 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:33:27,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:27,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:33:27,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:33:27,420 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:33:27,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... [2018-11-28 10:33:27,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:33:27,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:33:27,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:33:27,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:33:27,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/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 10:33:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 10:33:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 10:33:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:33:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:33:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 10:33:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 10:33:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:33:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 10:33:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 10:33:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 10:33:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 10:33:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 10:33:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 10:33:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 10:33:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 10:33:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 10:33:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 10:33:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 10:33:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 10:33:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 10:33:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 10:33:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 10:33:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 10:33:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 10:33:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 10:33:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 10:33:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 10:33:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 10:33:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 10:33:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 10:33:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 10:33:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 10:33:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 10:33:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 10:33:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 10:33:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 10:33:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 10:33:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 10:33:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 10:33:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 10:33:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 10:33:27,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 10:33:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 10:33:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 10:33:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 10:33:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 10:33:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 10:33:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 10:33:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 10:33:27,496 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 10:33:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 10:33:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:33:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:33:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:33:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 10:33:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 10:33:27,497 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 10:33:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 10:33:27,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:33:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:33:27,963 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:33:27,963 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 10:33:27,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:27 BoogieIcfgContainer [2018-11-28 10:33:27,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:33:27,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:33:27,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:33:27,967 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:33:27,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:33:27" (1/3) ... [2018-11-28 10:33:27,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522b9622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:33:27, skipping insertion in model container [2018-11-28 10:33:27,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:27" (2/3) ... [2018-11-28 10:33:27,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522b9622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:33:27, skipping insertion in model container [2018-11-28 10:33:27,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:27" (3/3) ... [2018-11-28 10:33:27,970 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-28 10:33:27,977 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:33:27,983 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:33:27,993 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:33:28,016 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:33:28,016 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:33:28,016 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:33:28,016 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:33:28,017 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:33:28,017 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:33:28,017 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:33:28,017 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:33:28,017 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:33:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-11-28 10:33:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 10:33:28,040 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:28,041 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:28,043 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:28,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:28,048 INFO L82 PathProgramCache]: Analyzing trace with hash 2091806382, now seen corresponding path program 1 times [2018-11-28 10:33:28,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:28,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:28,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:28,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:28,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:28,239 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 10:33:28,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:28,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 10:33:28,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 10:33:28,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 10:33:28,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:33:28,254 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-11-28 10:33:28,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:28,284 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2018-11-28 10:33:28,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 10:33:28,285 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 10:33:28,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:28,293 INFO L225 Difference]: With dead ends: 272 [2018-11-28 10:33:28,293 INFO L226 Difference]: Without dead ends: 138 [2018-11-28 10:33:28,296 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 10:33:28,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-28 10:33:28,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-28 10:33:28,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-28 10:33:28,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2018-11-28 10:33:28,333 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2018-11-28 10:33:28,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:28,334 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2018-11-28 10:33:28,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 10:33:28,334 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2018-11-28 10:33:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 10:33:28,336 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:28,336 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 10:33:28,336 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:28,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:28,337 INFO L82 PathProgramCache]: Analyzing trace with hash -692733716, now seen corresponding path program 1 times [2018-11-28 10:33:28,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:28,337 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:28,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:28,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:28,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:28,417 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 10:33:28,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:28,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:33:28,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 10:33:28,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:33:28,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:33:28,419 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 3 states. [2018-11-28 10:33:28,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:28,442 INFO L93 Difference]: Finished difference Result 211 states and 249 transitions. [2018-11-28 10:33:28,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:33:28,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 10:33:28,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:28,444 INFO L225 Difference]: With dead ends: 211 [2018-11-28 10:33:28,444 INFO L226 Difference]: Without dead ends: 129 [2018-11-28 10:33:28,445 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 10:33:28,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-28 10:33:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-28 10:33:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-28 10:33:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2018-11-28 10:33:28,457 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2018-11-28 10:33:28,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:28,457 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2018-11-28 10:33:28,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 10:33:28,457 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2018-11-28 10:33:28,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 10:33:28,459 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:28,459 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] [2018-11-28 10:33:28,459 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:28,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:28,459 INFO L82 PathProgramCache]: Analyzing trace with hash -925146630, now seen corresponding path program 1 times [2018-11-28 10:33:28,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:28,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:28,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:28,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:28,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:28,603 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 10:33:28,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:28,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:33:28,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:33:28,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:33:28,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:33:28,606 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 7 states. [2018-11-28 10:33:28,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:28,962 INFO L93 Difference]: Finished difference Result 382 states and 467 transitions. [2018-11-28 10:33:28,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:33:28,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 10:33:28,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:28,965 INFO L225 Difference]: With dead ends: 382 [2018-11-28 10:33:28,965 INFO L226 Difference]: Without dead ends: 281 [2018-11-28 10:33:28,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:33:28,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-11-28 10:33:28,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 269. [2018-11-28 10:33:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-28 10:33:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 328 transitions. [2018-11-28 10:33:28,997 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 328 transitions. Word has length 57 [2018-11-28 10:33:28,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:28,998 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 328 transitions. [2018-11-28 10:33:28,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:33:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 328 transitions. [2018-11-28 10:33:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 10:33:29,000 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:29,001 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] [2018-11-28 10:33:29,001 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:29,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:29,001 INFO L82 PathProgramCache]: Analyzing trace with hash 844118170, now seen corresponding path program 1 times [2018-11-28 10:33:29,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:29,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:29,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:29,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:29,102 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 10:33:29,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:29,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:33:29,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:33:29,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:33:29,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:33:29,104 INFO L87 Difference]: Start difference. First operand 269 states and 328 transitions. Second operand 6 states. [2018-11-28 10:33:29,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:29,242 INFO L93 Difference]: Finished difference Result 733 states and 918 transitions. [2018-11-28 10:33:29,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:33:29,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 10:33:29,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:29,247 INFO L225 Difference]: With dead ends: 733 [2018-11-28 10:33:29,248 INFO L226 Difference]: Without dead ends: 492 [2018-11-28 10:33:29,250 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 10:33:29,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2018-11-28 10:33:29,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 486. [2018-11-28 10:33:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-11-28 10:33:29,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 596 transitions. [2018-11-28 10:33:29,289 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 596 transitions. Word has length 62 [2018-11-28 10:33:29,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:29,290 INFO L480 AbstractCegarLoop]: Abstraction has 486 states and 596 transitions. [2018-11-28 10:33:29,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:33:29,290 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 596 transitions. [2018-11-28 10:33:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 10:33:29,293 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:29,293 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] [2018-11-28 10:33:29,293 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:29,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:29,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1970608458, now seen corresponding path program 1 times [2018-11-28 10:33:29,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:29,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:29,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:29,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:29,383 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 10:33:29,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:29,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:33:29,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:33:29,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:33:29,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:33:29,384 INFO L87 Difference]: Start difference. First operand 486 states and 596 transitions. Second operand 7 states. [2018-11-28 10:33:29,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:29,982 INFO L93 Difference]: Finished difference Result 1271 states and 1678 transitions. [2018-11-28 10:33:29,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 10:33:29,983 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 10:33:29,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:29,986 INFO L225 Difference]: With dead ends: 1271 [2018-11-28 10:33:29,987 INFO L226 Difference]: Without dead ends: 813 [2018-11-28 10:33:29,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 10:33:29,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-11-28 10:33:30,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 715. [2018-11-28 10:33:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2018-11-28 10:33:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 871 transitions. [2018-11-28 10:33:30,037 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 871 transitions. Word has length 66 [2018-11-28 10:33:30,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:30,038 INFO L480 AbstractCegarLoop]: Abstraction has 715 states and 871 transitions. [2018-11-28 10:33:30,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:33:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 871 transitions. [2018-11-28 10:33:30,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 10:33:30,040 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:30,040 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 10:33:30,040 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:30,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:30,040 INFO L82 PathProgramCache]: Analyzing trace with hash 271257836, now seen corresponding path program 1 times [2018-11-28 10:33:30,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:30,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:30,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:30,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:30,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:30,114 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 10:33:30,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:30,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:33:30,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:33:30,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:33:30,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:33:30,115 INFO L87 Difference]: Start difference. First operand 715 states and 871 transitions. Second operand 6 states. [2018-11-28 10:33:30,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:30,185 INFO L93 Difference]: Finished difference Result 1422 states and 1764 transitions. [2018-11-28 10:33:30,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 10:33:30,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-28 10:33:30,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:30,189 INFO L225 Difference]: With dead ends: 1422 [2018-11-28 10:33:30,190 INFO L226 Difference]: Without dead ends: 735 [2018-11-28 10:33:30,191 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:33:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-11-28 10:33:30,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2018-11-28 10:33:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-11-28 10:33:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2018-11-28 10:33:30,219 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 89 [2018-11-28 10:33:30,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:30,219 INFO L480 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2018-11-28 10:33:30,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:33:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2018-11-28 10:33:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 10:33:30,221 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:30,222 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 10:33:30,222 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:30,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:30,222 INFO L82 PathProgramCache]: Analyzing trace with hash 972857710, now seen corresponding path program 1 times [2018-11-28 10:33:30,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:30,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:30,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:30,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:30,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:30,316 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 10:33:30,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:30,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 10:33:30,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 10:33:30,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 10:33:30,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 10:33:30,317 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 8 states. [2018-11-28 10:33:30,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:30,354 INFO L93 Difference]: Finished difference Result 1470 states and 1842 transitions. [2018-11-28 10:33:30,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:33:30,355 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-28 10:33:30,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:30,358 INFO L225 Difference]: With dead ends: 1470 [2018-11-28 10:33:30,358 INFO L226 Difference]: Without dead ends: 763 [2018-11-28 10:33:30,359 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 10:33:30,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2018-11-28 10:33:30,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 751. [2018-11-28 10:33:30,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2018-11-28 10:33:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 907 transitions. [2018-11-28 10:33:30,384 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 907 transitions. Word has length 89 [2018-11-28 10:33:30,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:30,384 INFO L480 AbstractCegarLoop]: Abstraction has 751 states and 907 transitions. [2018-11-28 10:33:30,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 10:33:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 907 transitions. [2018-11-28 10:33:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 10:33:30,386 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:30,386 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 10:33:30,386 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:30,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:30,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1596628689, now seen corresponding path program 1 times [2018-11-28 10:33:30,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:30,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:30,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:30,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:30,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:30,468 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 10:33:30,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:30,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 10:33:30,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 10:33:30,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 10:33:30,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 10:33:30,470 INFO L87 Difference]: Start difference. First operand 751 states and 907 transitions. Second operand 4 states. [2018-11-28 10:33:30,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:30,642 INFO L93 Difference]: Finished difference Result 2441 states and 3094 transitions. [2018-11-28 10:33:30,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 10:33:30,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-28 10:33:30,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:30,648 INFO L225 Difference]: With dead ends: 2441 [2018-11-28 10:33:30,648 INFO L226 Difference]: Without dead ends: 1718 [2018-11-28 10:33:30,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 10:33:30,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2018-11-28 10:33:30,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1687. [2018-11-28 10:33:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2018-11-28 10:33:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2087 transitions. [2018-11-28 10:33:30,712 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2087 transitions. Word has length 89 [2018-11-28 10:33:30,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:30,712 INFO L480 AbstractCegarLoop]: Abstraction has 1687 states and 2087 transitions. [2018-11-28 10:33:30,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 10:33:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2087 transitions. [2018-11-28 10:33:30,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 10:33:30,714 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:30,714 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, 1, 1, 1] [2018-11-28 10:33:30,715 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:30,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:30,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1746816523, now seen corresponding path program 1 times [2018-11-28 10:33:30,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:30,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:30,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:30,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:30,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:30,760 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 10:33:30,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:30,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:33:30,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 10:33:30,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:33:30,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:33:30,761 INFO L87 Difference]: Start difference. First operand 1687 states and 2087 transitions. Second operand 3 states. [2018-11-28 10:33:30,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:30,836 INFO L93 Difference]: Finished difference Result 2662 states and 3401 transitions. [2018-11-28 10:33:30,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:33:30,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-11-28 10:33:30,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:30,844 INFO L225 Difference]: With dead ends: 2662 [2018-11-28 10:33:30,845 INFO L226 Difference]: Without dead ends: 2659 [2018-11-28 10:33:30,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 10:33:30,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2018-11-28 10:33:30,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2499. [2018-11-28 10:33:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2499 states. [2018-11-28 10:33:30,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3205 transitions. [2018-11-28 10:33:30,947 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3205 transitions. Word has length 93 [2018-11-28 10:33:30,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:30,947 INFO L480 AbstractCegarLoop]: Abstraction has 2499 states and 3205 transitions. [2018-11-28 10:33:30,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 10:33:30,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3205 transitions. [2018-11-28 10:33:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 10:33:30,954 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:30,954 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:33:30,955 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:30,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:30,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1692239768, now seen corresponding path program 1 times [2018-11-28 10:33:30,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:30,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:30,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:30,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:30,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:31,088 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 10:33:31,089 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:33:31,089 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/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 10:33:31,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:31,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:33:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 10:33:31,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 10:33:31,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 10:33:31,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 10:33:31,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 10:33:31,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 10:33:31,403 INFO L87 Difference]: Start difference. First operand 2499 states and 3205 transitions. Second operand 19 states. [2018-11-28 10:33:32,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:32,171 INFO L93 Difference]: Finished difference Result 4778 states and 6212 transitions. [2018-11-28 10:33:32,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 10:33:32,172 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 152 [2018-11-28 10:33:32,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:32,183 INFO L225 Difference]: With dead ends: 4778 [2018-11-28 10:33:32,183 INFO L226 Difference]: Without dead ends: 2307 [2018-11-28 10:33:32,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 10:33:32,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2018-11-28 10:33:32,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 1977. [2018-11-28 10:33:32,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1977 states. [2018-11-28 10:33:32,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2430 transitions. [2018-11-28 10:33:32,316 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2430 transitions. Word has length 152 [2018-11-28 10:33:32,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:32,316 INFO L480 AbstractCegarLoop]: Abstraction has 1977 states and 2430 transitions. [2018-11-28 10:33:32,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 10:33:32,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2430 transitions. [2018-11-28 10:33:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-28 10:33:32,323 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:32,323 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 10:33:32,323 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:32,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:32,324 INFO L82 PathProgramCache]: Analyzing trace with hash -325687621, now seen corresponding path program 1 times [2018-11-28 10:33:32,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:32,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:32,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:32,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:32,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 26 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-28 10:33:32,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:33:32,389 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/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 10:33:32,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:32,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:33:32,543 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:32,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 10:33:32,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 10:33:32,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:33:32,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:33:32,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:33:32,570 INFO L87 Difference]: Start difference. First operand 1977 states and 2430 transitions. Second operand 6 states. [2018-11-28 10:33:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:33,377 INFO L93 Difference]: Finished difference Result 4337 states and 5630 transitions. [2018-11-28 10:33:33,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 10:33:33,378 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-28 10:33:33,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:33,391 INFO L225 Difference]: With dead ends: 4337 [2018-11-28 10:33:33,391 INFO L226 Difference]: Without dead ends: 2712 [2018-11-28 10:33:33,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:33:33,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2018-11-28 10:33:33,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2386. [2018-11-28 10:33:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2386 states. [2018-11-28 10:33:33,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 2926 transitions. [2018-11-28 10:33:33,554 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 2926 transitions. Word has length 156 [2018-11-28 10:33:33,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:33,554 INFO L480 AbstractCegarLoop]: Abstraction has 2386 states and 2926 transitions. [2018-11-28 10:33:33,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:33:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2926 transitions. [2018-11-28 10:33:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 10:33:33,561 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:33,561 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 10:33:33,561 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:33,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:33,562 INFO L82 PathProgramCache]: Analyzing trace with hash -2049218571, now seen corresponding path program 1 times [2018-11-28 10:33:33,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:33,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:33,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:33,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:33,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 10:33:33,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:33:33,630 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/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 10:33:33,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:33,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:33:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:33,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 10:33:33,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-28 10:33:33,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 10:33:33,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 10:33:33,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 10:33:33,807 INFO L87 Difference]: Start difference. First operand 2386 states and 2926 transitions. Second operand 8 states. [2018-11-28 10:33:34,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:34,020 INFO L93 Difference]: Finished difference Result 4205 states and 5241 transitions. [2018-11-28 10:33:34,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 10:33:34,021 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-11-28 10:33:34,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:34,033 INFO L225 Difference]: With dead ends: 4205 [2018-11-28 10:33:34,033 INFO L226 Difference]: Without dead ends: 2183 [2018-11-28 10:33:34,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 10:33:34,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2018-11-28 10:33:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2144. [2018-11-28 10:33:34,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2144 states. [2018-11-28 10:33:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 2144 states and 2477 transitions. [2018-11-28 10:33:34,171 INFO L78 Accepts]: Start accepts. Automaton has 2144 states and 2477 transitions. Word has length 152 [2018-11-28 10:33:34,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:34,172 INFO L480 AbstractCegarLoop]: Abstraction has 2144 states and 2477 transitions. [2018-11-28 10:33:34,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 10:33:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2477 transitions. [2018-11-28 10:33:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-28 10:33:34,178 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:34,178 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:34,178 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:34,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:34,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1446798788, now seen corresponding path program 1 times [2018-11-28 10:33:34,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:34,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:34,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:34,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-28 10:33:34,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:34,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:33:34,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 10:33:34,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:33:34,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:33:34,228 INFO L87 Difference]: Start difference. First operand 2144 states and 2477 transitions. Second operand 3 states. [2018-11-28 10:33:34,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:34,328 INFO L93 Difference]: Finished difference Result 3425 states and 3974 transitions. [2018-11-28 10:33:34,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:33:34,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2018-11-28 10:33:34,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:34,354 INFO L225 Difference]: With dead ends: 3425 [2018-11-28 10:33:34,354 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 10:33:34,359 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 10:33:34,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 10:33:34,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 10:33:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 10:33:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 10:33:34,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2018-11-28 10:33:34,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:34,360 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:33:34,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 10:33:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:33:34,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 10:33:34,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 10:33:34,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:34,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:33:35,502 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 27 [2018-11-28 10:33:35,675 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 30 [2018-11-28 10:33:35,863 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 26 [2018-11-28 10:33:36,480 WARN L180 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 60 [2018-11-28 10:33:36,680 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 38 [2018-11-28 10:33:36,795 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 30 [2018-11-28 10:33:36,957 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 36 [2018-11-28 10:33:37,163 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2018-11-28 10:33:37,435 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 49 [2018-11-28 10:33:37,602 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 35 [2018-11-28 10:33:37,915 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2018-11-28 10:33:38,332 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 45 [2018-11-28 10:33:38,577 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 50 [2018-11-28 10:33:38,787 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 47 [2018-11-28 10:33:38,943 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2018-11-28 10:33:39,501 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 36 [2018-11-28 10:33:39,691 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 50 [2018-11-28 10:33:39,812 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 36 [2018-11-28 10:33:39,887 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2018-11-28 10:33:39,887 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2018-11-28 10:33:39,888 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2018-11-28 10:33:39,888 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2018-11-28 10:33:39,888 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2018-11-28 10:33:39,888 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 10:33:39,888 INFO L444 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:33:39,888 INFO L444 ceAbstractionStarter]: At program point L922-1(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:33:39,888 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2018-11-28 10:33:39,888 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 927) no Hoare annotation was computed. [2018-11-28 10:33:39,888 INFO L448 ceAbstractionStarter]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2018-11-28 10:33:39,888 INFO L448 ceAbstractionStarter]: For program point L918(line 918) no Hoare annotation was computed. [2018-11-28 10:33:39,889 INFO L444 ceAbstractionStarter]: At program point L917(line 917) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 10:33:39,889 INFO L444 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 10:33:39,889 INFO L444 ceAbstractionStarter]: At program point L916-1(line 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 10:33:39,889 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2018-11-28 10:33:39,889 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2018-11-28 10:33:39,889 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (not (= ~systemActive~0 0)))) (let ((.cse7 (< ~waterLevel~0 2)) (.cse6 (and .cse10 (= ~pumpRunning~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse10 .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~systemActive~0 1) .cse0) .cse1 .cse2 (not (= |old(~systemActive~0)| 1)) .cse3) (or (or .cse4 .cse3 .cse5) .cse6 .cse2) (or (or .cse7 .cse2 (or .cse4 .cse5)) .cse8) (or (or .cse1 .cse4 .cse7) .cse2 .cse6) (or .cse9 .cse3 .cse5) (or (or .cse1 (= ~waterLevel~0 1) .cse4 .cse3) .cse2 .cse8) (or .cse1 .cse9 .cse3)))) [2018-11-28 10:33:39,889 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 445) no Hoare annotation was computed. [2018-11-28 10:33:39,889 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse11 (= ~systemActive~0 0))) (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse12 (not .cse11))) (let ((.cse7 (< ~waterLevel~0 2)) (.cse3 (and .cse12 (= ~pumpRunning~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse12 .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not .cse0)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or (and (= ~systemActive~0 1) .cse5) .cse6 .cse4 (not (= |old(~systemActive~0)| 1)) .cse1) (or (or .cse7 .cse4 (or .cse0 .cse2)) .cse8) (or (or .cse6 .cse0 .cse7) .cse4 .cse3) (or (or .cse6 (= ~waterLevel~0 1) .cse0 .cse1) .cse4 .cse8) (or .cse5 .cse6 .cse9 .cse1) (or .cse10 .cse11 .cse9 .cse1 .cse2) (or .cse5 .cse9 .cse1 .cse2) (or .cse6 .cse10 .cse9 .cse11 .cse1))))) [2018-11-28 10:33:39,890 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2018-11-28 10:33:39,890 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2018-11-28 10:33:39,890 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2018-11-28 10:33:39,890 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2018-11-28 10:33:39,890 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2018-11-28 10:33:39,890 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2018-11-28 10:33:39,890 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 10:33:39,890 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2018-11-28 10:33:39,890 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2018-11-28 10:33:39,890 INFO L444 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 10:33:39,890 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2018-11-28 10:33:39,890 INFO L451 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: true [2018-11-28 10:33:39,890 INFO L448 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2018-11-28 10:33:39,891 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2018-11-28 10:33:39,891 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2018-11-28 10:33:39,891 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~waterLevel~0 2)) (.cse0 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or (or .cse5 .cse0 .cse6) .cse4 .cse3) (or (or .cse5 (= ~waterLevel~0 1) .cse0 .cse1) .cse4 .cse7) (or (or .cse6 .cse4 (or .cse0 .cse2)) .cse7) (or .cse5 .cse4 .cse7 (not (= ~systemActive~0 1))))) [2018-11-28 10:33:39,891 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2018-11-28 10:33:39,891 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2018-11-28 10:33:39,891 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2018-11-28 10:33:39,891 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse1 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse5 .cse3 .cse1) (or .cse3 (or .cse1 .cse2) .cse5))) [2018-11-28 10:33:39,891 INFO L444 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) .cse2) (or (or .cse3 .cse0 .cse1) .cse4) (or .cse5 .cse3 .cse0 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse2 .cse0))) [2018-11-28 10:33:39,891 INFO L448 ceAbstractionStarter]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2018-11-28 10:33:39,891 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4 .cse1) (or (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse2) .cse4))) [2018-11-28 10:33:39,892 INFO L444 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse3 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse4 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0))) [2018-11-28 10:33:39,892 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 335) no Hoare annotation was computed. [2018-11-28 10:33:39,892 INFO L444 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4 .cse5 .cse1) (or .cse5 (or .cse1 .cse2) .cse4))) [2018-11-28 10:33:39,892 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-28 10:33:39,892 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 340) no Hoare annotation was computed. [2018-11-28 10:33:39,892 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-11-28 10:33:39,892 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2018-11-28 10:33:39,892 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2018-11-28 10:33:39,892 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2018-11-28 10:33:39,892 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2018-11-28 10:33:39,892 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2018-11-28 10:33:39,892 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 10:33:39,892 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2018-11-28 10:33:39,893 INFO L444 ceAbstractionStarter]: At program point L246(lines 195 247) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:33:39,893 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (and .cse1 (and .cse0 .cse3 .cse5 .cse4)) (not (= |old(~systemActive~0)| 1)) (and .cse3 (not (= ~waterLevel~0 1)) .cse1 .cse5 .cse6 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse5 (= ~systemActive~0 1) .cse6 .cse4) (and .cse1 (and .cse2 .cse3 .cse6 .cse4)) (and .cse2 .cse7 .cse4 .cse6) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse7 .cse5 .cse4 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 10:33:39,893 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2018-11-28 10:33:39,893 INFO L444 ceAbstractionStarter]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse7 .cse5 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse8 .cse5 .cse2 .cse3) (and .cse0 .cse8 .cse2 .cse3) (and .cse8 .cse5 .cse2 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 10:33:39,893 INFO L448 ceAbstractionStarter]: For program point L197(lines 196 245) no Hoare annotation was computed. [2018-11-28 10:33:39,893 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2) (and .cse5 .cse3 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 10:33:39,893 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 241) no Hoare annotation was computed. [2018-11-28 10:33:39,894 INFO L444 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse7 .cse2 .cse4 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse7 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 10:33:39,894 INFO L448 ceAbstractionStarter]: For program point L216(lines 216 222) no Hoare annotation was computed. [2018-11-28 10:33:39,894 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2018-11-28 10:33:39,894 INFO L444 ceAbstractionStarter]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse7 .cse2 .cse4 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse7 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 10:33:39,894 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse7 (= ~systemActive~0 0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse7 (and (and .cse4 .cse5 .cse3) .cse6)) (and .cse5 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse5 .cse1 .cse3 .cse6) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 10:33:39,894 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-11-28 10:33:39,894 INFO L448 ceAbstractionStarter]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2018-11-28 10:33:39,894 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2018-11-28 10:33:39,894 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2018-11-28 10:33:39,894 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-28 10:33:39,894 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-11-28 10:33:39,895 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~waterLevel~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1) .cse2) (or (or .cse1 .cse2) .cse3) (or .cse4 (< ~waterLevel~0 2) .cse3 .cse1 .cse5 .cse6) (or .cse7 .cse0 .cse2) (or .cse7 .cse6 (or .cse4 .cse0 .cse8 .cse5)) (or .cse4 .cse0 .cse6 .cse1 .cse8 .cse5))) [2018-11-28 10:33:39,895 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-11-28 10:33:39,895 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-11-28 10:33:39,895 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-11-28 10:33:39,895 INFO L444 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~systemActive~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or .cse4 (or .cse5 .cse6 .cse2 .cse7) .cse3) (or .cse3 .cse5 .cse1 .cse6 .cse2 .cse7) (or .cse4 .cse3 (or .cse0 .cse5 .cse6 .cse2)) (or .cse0 .cse5 .cse3 .cse1 .cse6 .cse2))) [2018-11-28 10:33:39,895 INFO L448 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-11-28 10:33:39,895 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~systemActive~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or .cse4 (or .cse5 .cse6 .cse2 .cse7) .cse3) (or .cse3 .cse5 .cse1 .cse6 .cse2 .cse7) (or .cse4 .cse3 (or .cse0 .cse5 .cse6 .cse2)) (or .cse0 .cse5 .cse3 .cse1 .cse6 .cse2))) [2018-11-28 10:33:39,895 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-11-28 10:33:39,895 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (or .cse3 .cse5))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or (or .cse5 .cse1) .cse6) (or .cse2 (< ~waterLevel~0 2) .cse6 .cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse4 .cse3 .cse1) (or .cse2 .cse0)))) [2018-11-28 10:33:39,895 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 10:33:39,896 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-28 10:33:39,896 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-28 10:33:39,896 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:33:39,896 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:33:39,896 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:33:39,896 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2018-11-28 10:33:39,896 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2018-11-28 10:33:39,896 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse0))) [2018-11-28 10:33:39,896 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2018-11-28 10:33:39,896 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 429) no Hoare annotation was computed. [2018-11-28 10:33:39,896 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-28 10:33:39,896 INFO L448 ceAbstractionStarter]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2018-11-28 10:33:39,896 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-28 10:33:39,896 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2018-11-28 10:33:39,897 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2018-11-28 10:33:39,897 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse5 .cse4 .cse6) (or .cse1 .cse7 .cse4 .cse6 .cse5) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse8 .cse3 .cse5 .cse4 .cse6) (or (or .cse0 (< ~waterLevel~0 2) .cse8 .cse3) .cse2))) [2018-11-28 10:33:39,897 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2018-11-28 10:33:39,897 INFO L448 ceAbstractionStarter]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2018-11-28 10:33:39,897 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2018-11-28 10:33:39,897 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2018-11-28 10:33:39,897 INFO L451 ceAbstractionStarter]: At program point L860(lines 835 864) the Hoare annotation is: true [2018-11-28 10:33:39,897 INFO L448 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2018-11-28 10:33:39,897 INFO L448 ceAbstractionStarter]: For program point L849(lines 849 853) no Hoare annotation was computed. [2018-11-28 10:33:39,897 INFO L451 ceAbstractionStarter]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2018-11-28 10:33:39,897 INFO L448 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2018-11-28 10:33:39,897 INFO L451 ceAbstractionStarter]: At program point L845-2(lines 845 859) the Hoare annotation is: true [2018-11-28 10:33:39,897 INFO L451 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2018-11-28 10:33:39,898 INFO L448 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2018-11-28 10:33:39,898 INFO L444 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse10 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (and .cse5 .cse8 .cse6)) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (and .cse5 .cse6) .cse2 .cse4 .cse7) (or (and .cse8 .cse6) (or .cse0 .cse9 .cse2 .cse4)) (or .cse0 .cse10 .cse9 .cse2 .cse6) (or .cse11 (or .cse1 .cse7)) (or .cse0 .cse1 .cse11 .cse10) (or .cse0 .cse1 .cse11 .cse4) (or (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse4 .cse7) .cse3) (or (or (or .cse2 .cse7) .cse9) .cse6)))) [2018-11-28 10:33:39,898 INFO L444 ceAbstractionStarter]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse14 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse17 (= ~methaneLevelCritical~0 1)) (.cse16 (= ~systemActive~0 1))) (let ((.cse10 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~systemActive~0 0))) (.cse9 (and (= 0 ~pumpRunning~0) .cse17 .cse16)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not .cse17)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (<= 2 ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not .cse16)) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (and .cse14 .cse15))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 (or .cse5 .cse2 .cse6 .cse7 .cse8)) (or .cse5 .cse9 .cse10 .cse11 .cse6) (or (or .cse2 .cse6 .cse7 .cse8 .cse3) .cse4) (or .cse2 (and .cse12 .cse13 .cse14) .cse6 .cse8 .cse3 .cse0) (or .cse1 .cse4 (or .cse5 .cse2 .cse7 .cse8)) (or .cse5 .cse2 .cse1 .cse0 .cse10) (or .cse1 (or .cse2 .cse7 .cse8 .cse3) .cse4) (or .cse5 .cse2 .cse1 .cse8 .cse0) (or .cse9 (or .cse5 .cse11 .cse6 .cse8)) (or (or (or .cse6 .cse3) .cse11) .cse15) (or .cse5 .cse2 (and .cse12 .cse13 .cse14 .cse4) .cse6 .cse8 .cse0)))) [2018-11-28 10:33:39,898 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (and .cse11 .cse12)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1))) (.cse6 (and .cse11 .cse10 .cse12)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse0 .cse4 .cse8 .cse9 .cse5) (or .cse0 (or (or .cse5 .cse3) .cse9)) (or .cse6 (or .cse4 .cse9 .cse5 .cse7)) (or .cse4 .cse2 .cse1 .cse0 .cse8) (or .cse1 (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse7 .cse3) .cse10) (or .cse4 .cse2 .cse1 .cse6 .cse7) (or .cse2 .cse5 .cse6 .cse7 .cse3)))) [2018-11-28 10:33:39,898 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (and .cse9 .cse10)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (or (or .cse1 .cse3) .cse5)) (or .cse6 .cse0 .cse1 .cse2) (or .cse7 (or .cse0 .cse3)) (or .cse6 .cse0 .cse7 .cse8) (or (and .cse9 .cse10 (= 0 ~methAndRunningLastTime~0)) (or .cse6 .cse5 .cse1 .cse2)) (or .cse6 .cse0 .cse7 .cse2) (or .cse6 .cse4 .cse8 .cse5 .cse1)))) [2018-11-28 10:33:39,898 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2018-11-28 10:33:39,899 INFO L448 ceAbstractionStarter]: For program point L265(lines 264 283) no Hoare annotation was computed. [2018-11-28 10:33:39,899 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2018-11-28 10:33:39,899 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2018-11-28 10:33:39,899 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-28 10:33:39,899 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-28 10:33:39,899 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 2) .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse3))) [2018-11-28 10:33:39,899 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2018-11-28 10:33:39,899 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2018-11-28 10:33:39,899 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2018-11-28 10:33:39,899 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2018-11-28 10:33:39,899 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:33:39,899 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) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 10:33:39,899 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 10:33:39,899 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:33:39,900 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-28 10:33:39,900 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2018-11-28 10:33:39,900 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-28 10:33:39,900 INFO L448 ceAbstractionStarter]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2018-11-28 10:33:39,900 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (or (or .cse2 .cse0 .cse1) .cse3) (or .cse3 (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0)))))) [2018-11-28 10:33:39,900 INFO L444 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse3 .cse0 .cse1) .cse2))) [2018-11-28 10:33:39,900 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 309) no Hoare annotation was computed. [2018-11-28 10:33:39,900 INFO L444 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (or (or .cse2 .cse0 .cse1) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 10:33:39,900 INFO L448 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-11-28 10:33:39,900 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 314) no Hoare annotation was computed. [2018-11-28 10:33:39,900 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2018-11-28 10:33:39,901 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-28 10:33:39,901 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2018-11-28 10:33:39,901 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2018-11-28 10:33:39,901 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2018-11-28 10:33:39,901 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse8 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or .cse8 .cse2)) (.cse7 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 2) .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse5 .cse6) (or .cse0 .cse7 .cse1 .cse5 .cse8) (or .cse4 .cse1 .cse5 .cse6) (or .cse7 .cse1 .cse8 .cse5 .cse6)))) [2018-11-28 10:33:39,901 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2018-11-28 10:33:39,901 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2018-11-28 10:33:39,901 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2018-11-28 10:33:39,901 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2018-11-28 10:33:39,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:33:39 BoogieIcfgContainer [2018-11-28 10:33:39,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:33:39,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:33:39,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:33:39,915 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:33:39,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:27" (3/4) ... [2018-11-28 10:33:39,919 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 10:33:39,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 10:33:39,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 10:33:39,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 10:33:39,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 10:33:39,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 10:33:39,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 10:33:39,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 10:33:39,926 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 10:33:39,931 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 10:33:39,932 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 10:33:39,932 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 10:33:39,932 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 10:33:39,932 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 10:33:39,933 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 10:33:39,955 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((2 <= waterLevel && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 10:33:39,956 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 10:33:39,986 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aecec98c-0fe4-40c4-b6a4-c03c573a4bd8/bin-2019/uautomizer/witness.graphml [2018-11-28 10:33:39,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:33:39,987 INFO L168 Benchmark]: Toolchain (without parser) took 12966.35 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 591.4 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -91.9 MB). Peak memory consumption was 499.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:39,987 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:33:39,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:39,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:33:39,988 INFO L168 Benchmark]: Boogie Preprocessor took 28.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:39,988 INFO L168 Benchmark]: RCFGBuilder took 514.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:39,988 INFO L168 Benchmark]: TraceAbstraction took 11950.32 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 471.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -512.7 kB). Peak memory consumption was 582.2 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:39,989 INFO L168 Benchmark]: Witness Printer took 71.35 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 955.9 kB). Peak memory consumption was 955.9 kB. Max. memory is 11.5 GB. [2018-11-28 10:33:39,990 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 514.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11950.32 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 471.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -512.7 kB). Peak memory consumption was 582.2 MB. Max. memory is 11.5 GB. * Witness Printer took 71.35 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 955.9 kB). Peak memory consumption was 955.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((2 <= waterLevel && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 11.8s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 5.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2458 SDtfs, 1595 SDslu, 6879 SDs, 0 SdLazy, 2673 SolverSat, 453 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 591 GetRequests, 503 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2499occurred in iteration=9, 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: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 1014 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 5175 PreInvPairs, 5366 NumberOfFragments, 3939 HoareAnnotationTreeSize, 5175 FomulaSimplifications, 13534 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 64 FomulaSimplificationsInter, 23261 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1729 NumberOfCodeBlocks, 1729 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1713 ConstructedInterpolants, 0 QuantifiedInterpolants, 328352 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2720 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 345/367 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...