./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/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 74af0999cbe879befd0a6903faa6dabc12f5915f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:14:48,267 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:14:48,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:14:48,274 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:14:48,274 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:14:48,275 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:14:48,275 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:14:48,276 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:14:48,277 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:14:48,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:14:48,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:14:48,278 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:14:48,279 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:14:48,279 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:14:48,280 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:14:48,280 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:14:48,281 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:14:48,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:14:48,282 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:14:48,283 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:14:48,284 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:14:48,285 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:14:48,286 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:14:48,286 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:14:48,286 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:14:48,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:14:48,287 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:14:48,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:14:48,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:14:48,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:14:48,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:14:48,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:14:48,289 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:14:48,289 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:14:48,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:14:48,290 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:14:48,290 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 01:14:48,297 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:14:48,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:14:48,298 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:14:48,298 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:14:48,299 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 01:14:48,299 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 01:14:48,299 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 01:14:48,299 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:14:48,299 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:14:48,299 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:14:48,299 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:14:48,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:14:48,300 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:14:48,300 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:14:48,300 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:14:48,300 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:14:48,300 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:14:48,300 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 01:14:48,300 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:14:48,301 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:14:48,301 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:14:48,301 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:14:48,301 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:14:48,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:14:48,301 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:14:48,301 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:14:48,301 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:14:48,302 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 01:14:48,302 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:14:48,302 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:14:48,302 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_0b5f2975-e87e-4449-a670-c6d6657b52de/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 -> 74af0999cbe879befd0a6903faa6dabc12f5915f [2018-12-02 01:14:48,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:14:48,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:14:48,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:14:48,328 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:14:48,328 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:14:48,329 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-12-02 01:14:48,364 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/data/f4cfe89e7/9661800fc9f44af69f2358aeb21638a1/FLAG1625010a8 [2018-12-02 01:14:48,675 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:14:48,675 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-12-02 01:14:48,682 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/data/f4cfe89e7/9661800fc9f44af69f2358aeb21638a1/FLAG1625010a8 [2018-12-02 01:14:48,691 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/data/f4cfe89e7/9661800fc9f44af69f2358aeb21638a1 [2018-12-02 01:14:48,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:14:48,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:14:48,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:14:48,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:14:48,696 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:14:48,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:48,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48, skipping insertion in model container [2018-12-02 01:14:48,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:48,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:14:48,725 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:14:48,874 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:14:48,881 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:14:48,957 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:14:48,972 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:14:48,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48 WrapperNode [2018-12-02 01:14:48,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:14:48,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:14:48,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:14:48,973 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:14:48,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:48,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:48,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:14:48,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:14:48,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:14:48,993 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:14:48,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:48,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:49,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:49,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:49,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:49,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:49,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (1/1) ... [2018-12-02 01:14:49,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:14:49,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:14:49,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:14:49,015 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:14:49,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:14:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 01:14:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 01:14:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:14:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:14:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 01:14:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 01:14:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:14:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 01:14:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 01:14:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 01:14:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 01:14:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 01:14:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 01:14:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 01:14:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 01:14:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 01:14:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 01:14:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 01:14:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 01:14:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 01:14:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 01:14:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 01:14:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 01:14:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 01:14:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 01:14:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 01:14:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 01:14:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 01:14:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 01:14:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 01:14:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 01:14:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 01:14:49,049 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 01:14:49,049 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 01:14:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 01:14:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:14:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:14:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 01:14:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 01:14:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 01:14:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 01:14:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 01:14:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 01:14:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 01:14:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 01:14:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 01:14:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 01:14:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 01:14:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 01:14:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 01:14:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 01:14:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 01:14:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 01:14:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 01:14:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:14:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:14:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 01:14:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 01:14:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 01:14:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 01:14:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:14:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:14:49,336 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:14:49,336 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 01:14:49,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:49 BoogieIcfgContainer [2018-12-02 01:14:49,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:14:49,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:14:49,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:14:49,339 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:14:49,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:14:48" (1/3) ... [2018-12-02 01:14:49,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c3ea4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:49, skipping insertion in model container [2018-12-02 01:14:49,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:48" (2/3) ... [2018-12-02 01:14:49,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c3ea4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:49, skipping insertion in model container [2018-12-02 01:14:49,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:49" (3/3) ... [2018-12-02 01:14:49,342 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-12-02 01:14:49,350 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:14:49,357 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:14:49,365 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:14:49,389 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 01:14:49,389 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:14:49,389 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:14:49,390 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:14:49,390 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:14:49,390 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:14:49,390 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:14:49,390 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:14:49,390 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:14:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-12-02 01:14:49,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 01:14:49,409 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:49,410 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] [2018-12-02 01:14:49,412 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:49,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:49,417 INFO L82 PathProgramCache]: Analyzing trace with hash -14193465, now seen corresponding path program 1 times [2018-12-02 01:14:49,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:49,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:49,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:49,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:49,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:49,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:14:49,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:14:49,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:14:49,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:14:49,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:14:49,597 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-12-02 01:14:49,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:49,620 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2018-12-02 01:14:49,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:14:49,621 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 01:14:49,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:49,628 INFO L225 Difference]: With dead ends: 292 [2018-12-02 01:14:49,628 INFO L226 Difference]: Without dead ends: 148 [2018-12-02 01:14:49,630 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:14:49,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-12-02 01:14:49,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-12-02 01:14:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-12-02 01:14:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2018-12-02 01:14:49,661 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2018-12-02 01:14:49,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:49,661 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2018-12-02 01:14:49,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:14:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2018-12-02 01:14:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 01:14:49,663 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:49,663 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:14:49,664 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:49,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:49,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1295682751, now seen corresponding path program 1 times [2018-12-02 01:14:49,664 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:49,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:49,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:49,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:49,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:49,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:14:49,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:14:49,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:14:49,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:14:49,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:14:49,723 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2018-12-02 01:14:49,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:49,736 INFO L93 Difference]: Finished difference Result 241 states and 287 transitions. [2018-12-02 01:14:49,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:14:49,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 01:14:49,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:49,737 INFO L225 Difference]: With dead ends: 241 [2018-12-02 01:14:49,737 INFO L226 Difference]: Without dead ends: 139 [2018-12-02 01:14:49,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:14:49,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-02 01:14:49,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-02 01:14:49,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-02 01:14:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-12-02 01:14:49,746 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 52 [2018-12-02 01:14:49,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:49,746 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-12-02 01:14:49,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:14:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-12-02 01:14:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 01:14:49,747 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:49,747 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] [2018-12-02 01:14:49,747 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:49,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:49,747 INFO L82 PathProgramCache]: Analyzing trace with hash -526147235, now seen corresponding path program 1 times [2018-12-02 01:14:49,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:49,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:49,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:49,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:49,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:49,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:14:49,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:14:49,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:14:49,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:14:49,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:14:49,811 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 7 states. [2018-12-02 01:14:50,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:50,001 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2018-12-02 01:14:50,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:14:50,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-02 01:14:50,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:50,003 INFO L225 Difference]: With dead ends: 250 [2018-12-02 01:14:50,003 INFO L226 Difference]: Without dead ends: 139 [2018-12-02 01:14:50,004 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:14:50,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-02 01:14:50,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-02 01:14:50,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-02 01:14:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2018-12-02 01:14:50,015 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 56 [2018-12-02 01:14:50,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:50,015 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2018-12-02 01:14:50,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:14:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2018-12-02 01:14:50,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-02 01:14:50,017 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:50,017 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] [2018-12-02 01:14:50,018 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:50,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:50,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1780832067, now seen corresponding path program 1 times [2018-12-02 01:14:50,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:50,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:50,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:50,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:50,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:50,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:14:50,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 01:14:50,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 01:14:50,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 01:14:50,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 01:14:50,078 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 5 states. [2018-12-02 01:14:50,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:50,382 INFO L93 Difference]: Finished difference Result 354 states and 433 transitions. [2018-12-02 01:14:50,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:14:50,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-12-02 01:14:50,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:50,384 INFO L225 Difference]: With dead ends: 354 [2018-12-02 01:14:50,384 INFO L226 Difference]: Without dead ends: 243 [2018-12-02 01:14:50,385 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:14:50,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-12-02 01:14:50,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 225. [2018-12-02 01:14:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-12-02 01:14:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 258 transitions. [2018-12-02 01:14:50,414 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 258 transitions. Word has length 74 [2018-12-02 01:14:50,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:50,416 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 258 transitions. [2018-12-02 01:14:50,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 01:14:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2018-12-02 01:14:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 01:14:50,417 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:50,418 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] [2018-12-02 01:14:50,418 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:50,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:50,418 INFO L82 PathProgramCache]: Analyzing trace with hash -2057745489, now seen corresponding path program 1 times [2018-12-02 01:14:50,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:50,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:50,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:50,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:50,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:50,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:50,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:14:50,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:14:50,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:14:50,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:14:50,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:14:50,512 INFO L87 Difference]: Start difference. First operand 225 states and 258 transitions. Second operand 6 states. [2018-12-02 01:14:50,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:50,624 INFO L93 Difference]: Finished difference Result 601 states and 710 transitions. [2018-12-02 01:14:50,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:14:50,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-02 01:14:50,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:50,628 INFO L225 Difference]: With dead ends: 601 [2018-12-02 01:14:50,628 INFO L226 Difference]: Without dead ends: 404 [2018-12-02 01:14:50,629 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 [2018-12-02 01:14:50,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-12-02 01:14:50,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2018-12-02 01:14:50,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-12-02 01:14:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 456 transitions. [2018-12-02 01:14:50,656 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 456 transitions. Word has length 88 [2018-12-02 01:14:50,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:50,657 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 456 transitions. [2018-12-02 01:14:50,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:14:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 456 transitions. [2018-12-02 01:14:50,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 01:14:50,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:50,658 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] [2018-12-02 01:14:50,658 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:50,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:50,659 INFO L82 PathProgramCache]: Analyzing trace with hash 242365227, now seen corresponding path program 1 times [2018-12-02 01:14:50,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:50,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:50,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:50,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:50,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:50,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:14:50,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:14:50,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:14:50,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:14:50,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:14:50,728 INFO L87 Difference]: Start difference. First operand 398 states and 456 transitions. Second operand 7 states. [2018-12-02 01:14:51,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:51,036 INFO L93 Difference]: Finished difference Result 797 states and 936 transitions. [2018-12-02 01:14:51,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 01:14:51,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-12-02 01:14:51,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:51,037 INFO L225 Difference]: With dead ends: 797 [2018-12-02 01:14:51,037 INFO L226 Difference]: Without dead ends: 427 [2018-12-02 01:14:51,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 01:14:51,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-12-02 01:14:51,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 397. [2018-12-02 01:14:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-12-02 01:14:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 453 transitions. [2018-12-02 01:14:51,053 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 453 transitions. Word has length 92 [2018-12-02 01:14:51,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:51,053 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 453 transitions. [2018-12-02 01:14:51,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:14:51,053 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 453 transitions. [2018-12-02 01:14:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 01:14:51,054 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:51,054 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] [2018-12-02 01:14:51,054 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:51,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:51,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1348117597, now seen corresponding path program 1 times [2018-12-02 01:14:51,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:51,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:51,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:51,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:51,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:14:51,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:14:51,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:14:51,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:14:51,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:14:51,099 INFO L87 Difference]: Start difference. First operand 397 states and 453 transitions. Second operand 6 states. [2018-12-02 01:14:51,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:51,120 INFO L93 Difference]: Finished difference Result 776 states and 900 transitions. [2018-12-02 01:14:51,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:14:51,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-02 01:14:51,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:51,122 INFO L225 Difference]: With dead ends: 776 [2018-12-02 01:14:51,122 INFO L226 Difference]: Without dead ends: 407 [2018-12-02 01:14:51,123 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:14:51,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-12-02 01:14:51,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-12-02 01:14:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-02 01:14:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 463 transitions. [2018-12-02 01:14:51,135 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 463 transitions. Word has length 93 [2018-12-02 01:14:51,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:51,135 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 463 transitions. [2018-12-02 01:14:51,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:14:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 463 transitions. [2018-12-02 01:14:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 01:14:51,136 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:51,136 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] [2018-12-02 01:14:51,136 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:51,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:51,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1275731039, now seen corresponding path program 1 times [2018-12-02 01:14:51,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:51,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:51,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:51,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:51,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:51,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:14:51,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 01:14:51,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:14:51,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:14:51,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:14:51,182 INFO L87 Difference]: Start difference. First operand 407 states and 463 transitions. Second operand 8 states. [2018-12-02 01:14:51,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:51,205 INFO L93 Difference]: Finished difference Result 800 states and 936 transitions. [2018-12-02 01:14:51,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:14:51,205 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-02 01:14:51,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:51,206 INFO L225 Difference]: With dead ends: 800 [2018-12-02 01:14:51,206 INFO L226 Difference]: Without dead ends: 421 [2018-12-02 01:14:51,207 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 [2018-12-02 01:14:51,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-12-02 01:14:51,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2018-12-02 01:14:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-12-02 01:14:51,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 471 transitions. [2018-12-02 01:14:51,225 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 471 transitions. Word has length 93 [2018-12-02 01:14:51,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:51,225 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 471 transitions. [2018-12-02 01:14:51,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:14:51,225 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 471 transitions. [2018-12-02 01:14:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 01:14:51,226 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:51,226 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] [2018-12-02 01:14:51,226 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:51,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:51,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1605496800, now seen corresponding path program 1 times [2018-12-02 01:14:51,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:51,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:51,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:51,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:51,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:14:51,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 01:14:51,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 01:14:51,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 01:14:51,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 01:14:51,267 INFO L87 Difference]: Start difference. First operand 415 states and 471 transitions. Second operand 4 states. [2018-12-02 01:14:51,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:51,380 INFO L93 Difference]: Finished difference Result 1250 states and 1496 transitions. [2018-12-02 01:14:51,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 01:14:51,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-02 01:14:51,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:51,383 INFO L225 Difference]: With dead ends: 1250 [2018-12-02 01:14:51,383 INFO L226 Difference]: Without dead ends: 863 [2018-12-02 01:14:51,384 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 [2018-12-02 01:14:51,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-12-02 01:14:51,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 549. [2018-12-02 01:14:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-12-02 01:14:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 618 transitions. [2018-12-02 01:14:51,408 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 618 transitions. Word has length 93 [2018-12-02 01:14:51,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:51,409 INFO L480 AbstractCegarLoop]: Abstraction has 549 states and 618 transitions. [2018-12-02 01:14:51,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 01:14:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 618 transitions. [2018-12-02 01:14:51,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 01:14:51,410 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:51,410 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, 1, 1, 1, 1] [2018-12-02 01:14:51,410 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:51,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:51,410 INFO L82 PathProgramCache]: Analyzing trace with hash -2047783674, now seen corresponding path program 1 times [2018-12-02 01:14:51,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:51,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:51,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:51,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:51,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:14:51,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:14:51,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:14:51,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:14:51,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:14:51,446 INFO L87 Difference]: Start difference. First operand 549 states and 618 transitions. Second operand 3 states. [2018-12-02 01:14:51,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:51,474 INFO L93 Difference]: Finished difference Result 866 states and 990 transitions. [2018-12-02 01:14:51,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:14:51,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-12-02 01:14:51,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:51,477 INFO L225 Difference]: With dead ends: 866 [2018-12-02 01:14:51,477 INFO L226 Difference]: Without dead ends: 863 [2018-12-02 01:14:51,477 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 [2018-12-02 01:14:51,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-12-02 01:14:51,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 713. [2018-12-02 01:14:51,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2018-12-02 01:14:51,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 813 transitions. [2018-12-02 01:14:51,503 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 813 transitions. Word has length 97 [2018-12-02 01:14:51,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:51,503 INFO L480 AbstractCegarLoop]: Abstraction has 713 states and 813 transitions. [2018-12-02 01:14:51,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:14:51,504 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 813 transitions. [2018-12-02 01:14:51,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 01:14:51,505 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:51,506 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:14:51,506 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:51,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:51,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1584272901, now seen corresponding path program 1 times [2018-12-02 01:14:51,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:51,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:51,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:51,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 01:14:51,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:14:51,576 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:14:51,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:51,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:14:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:14:51,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:14:51,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-02 01:14:51,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:14:51,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:14:51,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:14:51,735 INFO L87 Difference]: Start difference. First operand 713 states and 813 transitions. Second operand 8 states. [2018-12-02 01:14:51,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:51,843 INFO L93 Difference]: Finished difference Result 1201 states and 1380 transitions. [2018-12-02 01:14:51,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:14:51,844 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-12-02 01:14:51,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:51,847 INFO L225 Difference]: With dead ends: 1201 [2018-12-02 01:14:51,847 INFO L226 Difference]: Without dead ends: 646 [2018-12-02 01:14:51,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:14:51,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-12-02 01:14:51,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2018-12-02 01:14:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-12-02 01:14:51,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 727 transitions. [2018-12-02 01:14:51,879 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 727 transitions. Word has length 160 [2018-12-02 01:14:51,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:51,879 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 727 transitions. [2018-12-02 01:14:51,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:14:51,879 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 727 transitions. [2018-12-02 01:14:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 01:14:51,882 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:14:51,882 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:14:51,882 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:14:51,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:14:51,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1035830722, now seen corresponding path program 1 times [2018-12-02 01:14:51,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:14:51,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:14:51,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:51,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:14:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:52,007 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 01:14:52,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:14:52,007 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:14:52,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:14:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:14:52,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:14:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 01:14:52,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:14:52,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 01:14:52,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 01:14:52,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 01:14:52,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 01:14:52,213 INFO L87 Difference]: Start difference. First operand 646 states and 727 transitions. Second operand 19 states. [2018-12-02 01:14:52,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:14:52,736 INFO L93 Difference]: Finished difference Result 1164 states and 1322 transitions. [2018-12-02 01:14:52,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 01:14:52,737 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 173 [2018-12-02 01:14:52,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:14:52,737 INFO L225 Difference]: With dead ends: 1164 [2018-12-02 01:14:52,737 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:14:52,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 01:14:52,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:14:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:14:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:14:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:14:52,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-12-02 01:14:52,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:14:52,739 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:14:52,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 01:14:52,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:14:52,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:14:52,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:14:52,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:52,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:14:53,187 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2018-12-02 01:14:53,939 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-12-02 01:14:54,976 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2018-12-02 01:14:55,368 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2018-12-02 01:14:55,368 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2018-12-02 01:14:55,368 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2018-12-02 01:14:55,368 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2018-12-02 01:14:55,368 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2018-12-02 01:14:55,369 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:14:55,369 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2018-12-02 01:14:55,369 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2018-12-02 01:14:55,369 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:14:55,369 INFO L444 ceAbstractionStarter]: At program point L844-1(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:14:55,369 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2018-12-02 01:14:55,369 INFO L448 ceAbstractionStarter]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2018-12-02 01:14:55,369 INFO L448 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-12-02 01:14:55,369 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:14:55,369 INFO L444 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:14:55,369 INFO L444 ceAbstractionStarter]: At program point L838-1(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:14:55,369 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2018-12-02 01:14:55,369 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2018-12-02 01:14:55,369 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L451 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2018-12-02 01:14:55,370 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L451 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2018-12-02 01:14:55,370 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2018-12-02 01:14:55,371 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 946) no Hoare annotation was computed. [2018-12-02 01:14:55,371 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2018-12-02 01:14:55,371 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2018-12-02 01:14:55,371 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2018-12-02 01:14:55,371 INFO L444 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-12-02 01:14:55,371 INFO L448 ceAbstractionStarter]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2018-12-02 01:14:55,371 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2018-12-02 01:14:55,371 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4 .cse2) (or .cse1 .cse2 .cse5) (or .cse2 .cse4 .cse3 .cse5)))) [2018-12-02 01:14:55,371 INFO L444 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse1 .cse0) (or .cse4 .cse2)))) [2018-12-02 01:14:55,371 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-12-02 01:14:55,371 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2018-12-02 01:14:55,371 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse5) (or .cse4 .cse3 .cse2 .cse5)))) [2018-12-02 01:14:55,372 INFO L448 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2018-12-02 01:14:55,372 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2018-12-02 01:14:55,372 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2018-12-02 01:14:55,372 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2018-12-02 01:14:55,372 INFO L444 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse3 .cse2 .cse5) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2))) [2018-12-02 01:14:55,372 INFO L448 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2018-12-02 01:14:55,372 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:14:55,372 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2018-12-02 01:14:55,372 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2018-12-02 01:14:55,372 INFO L444 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-12-02 01:14:55,373 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-02 01:14:55,373 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2018-12-02 01:14:55,373 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-12-02 01:14:55,373 INFO L444 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-12-02 01:14:55,373 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-12-02 01:14:55,373 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2018-12-02 01:14:55,373 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-12-02 01:14:55,373 INFO L444 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:14:55,373 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-12-02 01:14:55,373 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2018-12-02 01:14:55,373 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2018-12-02 01:14:55,374 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2018-12-02 01:14:55,374 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2018-12-02 01:14:55,374 INFO L444 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-12-02 01:14:55,374 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-12-02 01:14:55,374 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-12-02 01:14:55,374 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2018-12-02 01:14:55,374 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-02 01:14:55,374 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-12-02 01:14:55,375 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-02 01:14:55,375 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-12-02 01:14:55,375 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2018-12-02 01:14:55,375 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2018-12-02 01:14:55,375 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2018-12-02 01:14:55,375 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 01:14:55,375 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2018-12-02 01:14:55,375 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2018-12-02 01:14:55,375 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:14:55,375 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 01:14:55,375 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:14:55,375 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2018-12-02 01:14:55,376 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2018-12-02 01:14:55,376 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-02 01:14:55,376 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2018-12-02 01:14:55,376 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2018-12-02 01:14:55,376 INFO L451 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2018-12-02 01:14:55,376 INFO L448 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2018-12-02 01:14:55,376 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-12-02 01:14:55,376 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2018-12-02 01:14:55,376 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2018-12-02 01:14:55,376 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-12-02 01:14:55,376 INFO L448 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2018-12-02 01:14:55,376 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2018-12-02 01:14:55,377 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2018-12-02 01:14:55,377 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2018-12-02 01:14:55,377 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2018-12-02 01:14:55,377 INFO L448 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2018-12-02 01:14:55,377 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2018-12-02 01:14:55,377 INFO L451 ceAbstractionStarter]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2018-12-02 01:14:55,377 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2018-12-02 01:14:55,377 INFO L451 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-12-02 01:14:55,377 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-12-02 01:14:55,377 INFO L451 ceAbstractionStarter]: At program point L782(lines 757 786) the Hoare annotation is: true [2018-12-02 01:14:55,377 INFO L448 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2018-12-02 01:14:55,377 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2018-12-02 01:14:55,377 INFO L451 ceAbstractionStarter]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2018-12-02 01:14:55,378 INFO L444 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse4 .cse5 .cse2) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-12-02 01:14:55,378 INFO L444 ceAbstractionStarter]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or .cse11 .cse2)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (and (= 1 ~waterLevel~0) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7) .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse5 .cse4 (and .cse6 .cse7 .cse10) .cse8) (or .cse11 .cse12 .cse2 .cse13 .cse8 .cse9) (or .cse0 .cse11 .cse2 .cse13 .cse8 .cse12)))) [2018-12-02 01:14:55,378 INFO L444 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse5) (or .cse6 .cse4 .cse5)))) [2018-12-02 01:14:55,378 INFO L448 ceAbstractionStarter]: For program point L501(lines 500 519) no Hoare annotation was computed. [2018-12-02 01:14:55,378 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-12-02 01:14:55,378 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2018-12-02 01:14:55,378 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2018-12-02 01:14:55,379 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: true [2018-12-02 01:14:55,379 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2018-12-02 01:14:55,379 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2018-12-02 01:14:55,379 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2018-12-02 01:14:55,379 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2018-12-02 01:14:55,379 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:14:55,379 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)) [2018-12-02 01:14:55,379 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:14:55,379 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:14:55,379 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 01:14:55,379 INFO L444 ceAbstractionStarter]: At program point L543(line 543) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1)))) [2018-12-02 01:14:55,380 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2018-12-02 01:14:55,380 INFO L444 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 01:14:55,380 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2018-12-02 01:14:55,380 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 01:14:55,380 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-12-02 01:14:55,380 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2018-12-02 01:14:55,380 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-02 01:14:55,380 INFO L448 ceAbstractionStarter]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2018-12-02 01:14:55,380 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2018-12-02 01:14:55,380 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2018-12-02 01:14:55,381 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-12-02 01:14:55,381 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-02 01:14:55,381 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-02 01:14:55,381 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-02 01:14:55,381 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-02 01:14:55,381 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 01:14:55,381 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2018-12-02 01:14:55,381 INFO L448 ceAbstractionStarter]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2018-12-02 01:14:55,381 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-02 01:14:55,381 INFO L444 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-02 01:14:55,382 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-02 01:14:55,382 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2018-12-02 01:14:55,382 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-02 01:14:55,382 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-12-02 01:14:55,382 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2018-12-02 01:14:55,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:14:55 BoogieIcfgContainer [2018-12-02 01:14:55,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:14:55,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:14:55,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:14:55,393 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:14:55,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:49" (3/4) ... [2018-12-02 01:14:55,397 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:14:55,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 01:14:55,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 01:14:55,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 01:14:55,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:14:55,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 01:14:55,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 01:14:55,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 01:14:55,411 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-02 01:14:55,412 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 01:14:55,412 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 01:14:55,412 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 01:14:55,413 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 01:14:55,413 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 01:14:55,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-12-02 01:14:55,432 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 01:14:55,462 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b5f2975-e87e-4449-a670-c6d6657b52de/bin-2019/uautomizer/witness.graphml [2018-12-02 01:14:55,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:14:55,462 INFO L168 Benchmark]: Toolchain (without parser) took 6768.91 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.7 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -244.0 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2018-12-02 01:14:55,463 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:14:55,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:14:55,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.23 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. [2018-12-02 01:14:55,463 INFO L168 Benchmark]: Boogie Preprocessor took 21.33 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:14:55,463 INFO L168 Benchmark]: RCFGBuilder took 322.26 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:14:55,463 INFO L168 Benchmark]: TraceAbstraction took 6055.63 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -174.0 MB). Peak memory consumption was 346.1 MB. Max. memory is 11.5 GB. [2018-12-02 01:14:55,463 INFO L168 Benchmark]: Witness Printer took 68.63 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:14:55,464 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.23 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 21.33 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.26 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6055.63 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -174.0 MB). Peak memory consumption was 346.1 MB. Max. memory is 11.5 GB. * Witness Printer took 68.63 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 161 locations, 1 error locations. SAFE Result, 5.9s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2243 SDtfs, 1476 SDslu, 6437 SDs, 0 SdLazy, 2222 SolverSat, 345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 468 GetRequests, 382 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=713occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 524 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1642 PreInvPairs, 1694 NumberOfFragments, 2571 HoareAnnotationTreeSize, 1642 FomulaSimplifications, 5704 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 8791 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1455 NumberOfCodeBlocks, 1455 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 287060 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1827 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 198/208 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...