./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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/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_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/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 0.1.23-0cd3be1 [2018-11-28 12:19:17,228 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:19:17,229 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:19:17,238 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:19:17,238 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:19:17,239 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:19:17,240 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:19:17,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:19:17,242 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:19:17,243 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:19:17,244 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:19:17,244 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:19:17,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:19:17,245 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:19:17,246 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:19:17,247 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:19:17,247 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:19:17,249 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:19:17,250 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:19:17,251 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:19:17,252 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:19:17,253 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:19:17,255 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:19:17,255 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:19:17,255 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:19:17,256 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:19:17,257 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:19:17,257 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:19:17,258 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:19:17,259 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:19:17,259 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:19:17,259 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:19:17,259 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:19:17,260 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:19:17,260 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:19:17,261 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:19:17,261 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:19:17,271 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:19:17,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:19:17,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:19:17,273 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:19:17,273 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:19:17,273 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:19:17,273 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:19:17,274 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:19:17,274 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:19:17,274 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:19:17,274 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:19:17,274 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:19:17,274 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:19:17,274 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:19:17,275 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:19:17,275 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:19:17,275 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:19:17,275 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:19:17,275 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:19:17,275 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:19:17,276 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:19:17,276 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:19:17,276 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:19:17,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:19:17,276 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:19:17,276 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:19:17,276 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:19:17,277 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:19:17,277 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:19:17,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:19:17,277 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_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/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 [2018-11-28 12:19:17,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:19:17,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:19:17,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:19:17,317 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:19:17,317 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:19:17,318 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-28 12:19:17,359 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/data/0fc89c69b/e460d63e0a6a4630ac6004959adb9012/FLAG523c76553 [2018-11-28 12:19:17,803 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:19:17,804 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-28 12:19:17,814 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/data/0fc89c69b/e460d63e0a6a4630ac6004959adb9012/FLAG523c76553 [2018-11-28 12:19:17,826 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/data/0fc89c69b/e460d63e0a6a4630ac6004959adb9012 [2018-11-28 12:19:17,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:19:17,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:19:17,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:19:17,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:19:17,832 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:19:17,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:19:17" (1/1) ... [2018-11-28 12:19:17,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:17, skipping insertion in model container [2018-11-28 12:19:17,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:19:17" (1/1) ... [2018-11-28 12:19:17,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:19:17,867 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:19:18,088 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:19:18,098 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:19:18,150 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:19:18,167 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:19:18,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18 WrapperNode [2018-11-28 12:19:18,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:19:18,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:19:18,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:19:18,169 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:19:18,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (1/1) ... [2018-11-28 12:19:18,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (1/1) ... [2018-11-28 12:19:18,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:19:18,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:19:18,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:19:18,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:19:18,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (1/1) ... [2018-11-28 12:19:18,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (1/1) ... [2018-11-28 12:19:18,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (1/1) ... [2018-11-28 12:19:18,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (1/1) ... [2018-11-28 12:19:18,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (1/1) ... [2018-11-28 12:19:18,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (1/1) ... [2018-11-28 12:19:18,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (1/1) ... [2018-11-28 12:19:18,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:19:18,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:19:18,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:19:18,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:19:18,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:19:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:19:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:19:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:19:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:19:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:19:18,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:19:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:19:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:19:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:19:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:19:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:19:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:19:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:19:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:19:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:19:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:19:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:19:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:19:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:19:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 12:19:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 12:19:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 12:19:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 12:19:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:19:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:19:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:19:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:19:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:19:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:19:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:19:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:19:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:19:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:19:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:19:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:19:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:19:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:19:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:19:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:19:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:19:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:19:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:19:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:19:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:19:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:19:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:19:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:19:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:19:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:19:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:19:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:19:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:19:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:19:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:19:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:19:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:19:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:19:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:19:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:19:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:19:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:19:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:19:18,747 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:19:18,747 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:19:18,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:19:18 BoogieIcfgContainer [2018-11-28 12:19:18,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:19:18,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:19:18,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:19:18,752 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:19:18,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:19:17" (1/3) ... [2018-11-28 12:19:18,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a3b6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:19:18, skipping insertion in model container [2018-11-28 12:19:18,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:19:18" (2/3) ... [2018-11-28 12:19:18,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a3b6a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:19:18, skipping insertion in model container [2018-11-28 12:19:18,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:19:18" (3/3) ... [2018-11-28 12:19:18,755 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-28 12:19:18,762 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:19:18,768 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:19:18,782 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:19:18,807 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:19:18,808 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:19:18,808 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:19:18,808 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:19:18,808 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:19:18,808 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:19:18,808 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:19:18,809 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:19:18,809 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:19:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-11-28 12:19:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 12:19:18,833 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:18,834 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:19:18,835 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:18,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:18,840 INFO L82 PathProgramCache]: Analyzing trace with hash -14193465, now seen corresponding path program 1 times [2018-11-28 12:19:18,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:18,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:18,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:18,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:18,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:19,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:19,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:19:19,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:19:19,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:19:19,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:19:19,044 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-11-28 12:19:19,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:19,074 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2018-11-28 12:19:19,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:19:19,075 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 12:19:19,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:19,085 INFO L225 Difference]: With dead ends: 292 [2018-11-28 12:19:19,085 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 12:19:19,088 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:19:19,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 12:19:19,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 12:19:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 12:19:19,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2018-11-28 12:19:19,129 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2018-11-28 12:19:19,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:19,129 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2018-11-28 12:19:19,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:19:19,129 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2018-11-28 12:19:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:19:19,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:19,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:19:19,133 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:19,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:19,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1295682751, now seen corresponding path program 1 times [2018-11-28 12:19:19,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:19,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:19,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:19,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:19,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:19,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:19,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:19:19,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:19:19,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:19:19,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:19:19,233 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2018-11-28 12:19:19,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:19,253 INFO L93 Difference]: Finished difference Result 241 states and 287 transitions. [2018-11-28 12:19:19,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:19:19,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 12:19:19,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:19,256 INFO L225 Difference]: With dead ends: 241 [2018-11-28 12:19:19,256 INFO L226 Difference]: Without dead ends: 139 [2018-11-28 12:19:19,257 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:19:19,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-28 12:19:19,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-28 12:19:19,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-28 12:19:19,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-11-28 12:19:19,270 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 52 [2018-11-28 12:19:19,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:19,270 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-11-28 12:19:19,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:19:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-11-28 12:19:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 12:19:19,272 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:19,272 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] [2018-11-28 12:19:19,274 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:19,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:19,274 INFO L82 PathProgramCache]: Analyzing trace with hash -526147235, now seen corresponding path program 1 times [2018-11-28 12:19:19,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:19,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:19,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:19,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:19,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:19,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:19,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:19:19,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:19:19,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:19:19,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:19:19,386 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 7 states. [2018-11-28 12:19:19,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:19,618 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2018-11-28 12:19:19,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:19:19,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 12:19:19,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:19,620 INFO L225 Difference]: With dead ends: 250 [2018-11-28 12:19:19,620 INFO L226 Difference]: Without dead ends: 139 [2018-11-28 12:19:19,621 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 [2018-11-28 12:19:19,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-28 12:19:19,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-28 12:19:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-28 12:19:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2018-11-28 12:19:19,634 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 56 [2018-11-28 12:19:19,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:19,635 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2018-11-28 12:19:19,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:19:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2018-11-28 12:19:19,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-28 12:19:19,637 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:19,637 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] [2018-11-28 12:19:19,638 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:19,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:19,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1780832067, now seen corresponding path program 1 times [2018-11-28 12:19:19,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:19,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:19,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:19,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:19,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:19,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:19,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:19,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:19:19,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:19:19,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:19:19,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:19:19,733 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 5 states. [2018-11-28 12:19:20,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:20,074 INFO L93 Difference]: Finished difference Result 354 states and 433 transitions. [2018-11-28 12:19:20,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:19:20,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-11-28 12:19:20,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:20,077 INFO L225 Difference]: With dead ends: 354 [2018-11-28 12:19:20,077 INFO L226 Difference]: Without dead ends: 243 [2018-11-28 12:19:20,078 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 [2018-11-28 12:19:20,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-28 12:19:20,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 225. [2018-11-28 12:19:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-28 12:19:20,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 258 transitions. [2018-11-28 12:19:20,102 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 258 transitions. Word has length 74 [2018-11-28 12:19:20,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:20,103 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 258 transitions. [2018-11-28 12:19:20,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:19:20,103 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2018-11-28 12:19:20,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 12:19:20,104 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:20,105 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] [2018-11-28 12:19:20,105 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:20,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:20,105 INFO L82 PathProgramCache]: Analyzing trace with hash -2057745489, now seen corresponding path program 1 times [2018-11-28 12:19:20,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:20,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:20,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:20,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:20,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:20,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:20,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:19:20,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:19:20,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:19:20,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:19:20,187 INFO L87 Difference]: Start difference. First operand 225 states and 258 transitions. Second operand 6 states. [2018-11-28 12:19:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:20,302 INFO L93 Difference]: Finished difference Result 601 states and 710 transitions. [2018-11-28 12:19:20,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:19:20,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-28 12:19:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:20,306 INFO L225 Difference]: With dead ends: 601 [2018-11-28 12:19:20,306 INFO L226 Difference]: Without dead ends: 404 [2018-11-28 12:19:20,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:19:20,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-11-28 12:19:20,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2018-11-28 12:19:20,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-11-28 12:19:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 456 transitions. [2018-11-28 12:19:20,333 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 456 transitions. Word has length 88 [2018-11-28 12:19:20,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:20,334 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 456 transitions. [2018-11-28 12:19:20,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:19:20,334 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 456 transitions. [2018-11-28 12:19:20,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 12:19:20,336 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:20,336 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:19:20,336 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:20,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:20,336 INFO L82 PathProgramCache]: Analyzing trace with hash 242365227, now seen corresponding path program 1 times [2018-11-28 12:19:20,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:20,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:20,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:20,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:20,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:20,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:20,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:20,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:19:20,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:19:20,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:19:20,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:19:20,421 INFO L87 Difference]: Start difference. First operand 398 states and 456 transitions. Second operand 7 states. [2018-11-28 12:19:20,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:20,749 INFO L93 Difference]: Finished difference Result 797 states and 936 transitions. [2018-11-28 12:19:20,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 12:19:20,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-28 12:19:20,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:20,752 INFO L225 Difference]: With dead ends: 797 [2018-11-28 12:19:20,752 INFO L226 Difference]: Without dead ends: 427 [2018-11-28 12:19:20,753 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 [2018-11-28 12:19:20,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-11-28 12:19:20,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 397. [2018-11-28 12:19:20,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-11-28 12:19:20,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 453 transitions. [2018-11-28 12:19:20,778 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 453 transitions. Word has length 92 [2018-11-28 12:19:20,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:20,779 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 453 transitions. [2018-11-28 12:19:20,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:19:20,779 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 453 transitions. [2018-11-28 12:19:20,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 12:19:20,780 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:20,780 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:19:20,782 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:20,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:20,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1348117597, now seen corresponding path program 1 times [2018-11-28 12:19:20,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:20,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:20,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:20,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:20,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:20,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:20,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:19:20,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:19:20,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:19:20,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:19:20,840 INFO L87 Difference]: Start difference. First operand 397 states and 453 transitions. Second operand 6 states. [2018-11-28 12:19:20,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:20,866 INFO L93 Difference]: Finished difference Result 776 states and 900 transitions. [2018-11-28 12:19:20,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:19:20,866 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-28 12:19:20,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:20,868 INFO L225 Difference]: With dead ends: 776 [2018-11-28 12:19:20,868 INFO L226 Difference]: Without dead ends: 407 [2018-11-28 12:19:20,869 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:19:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-11-28 12:19:20,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-11-28 12:19:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-11-28 12:19:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 463 transitions. [2018-11-28 12:19:20,884 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 463 transitions. Word has length 93 [2018-11-28 12:19:20,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:20,885 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 463 transitions. [2018-11-28 12:19:20,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:19:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 463 transitions. [2018-11-28 12:19:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 12:19:20,886 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:20,886 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:19:20,886 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:20,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:20,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1275731039, now seen corresponding path program 1 times [2018-11-28 12:19:20,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:20,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:20,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:20,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:20,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:20,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:20,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:19:20,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:19:20,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:19:20,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:19:20,959 INFO L87 Difference]: Start difference. First operand 407 states and 463 transitions. Second operand 8 states. [2018-11-28 12:19:20,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:20,997 INFO L93 Difference]: Finished difference Result 800 states and 936 transitions. [2018-11-28 12:19:20,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:19:20,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-28 12:19:20,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:21,000 INFO L225 Difference]: With dead ends: 800 [2018-11-28 12:19:21,000 INFO L226 Difference]: Without dead ends: 421 [2018-11-28 12:19:21,001 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:19:21,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-11-28 12:19:21,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2018-11-28 12:19:21,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-11-28 12:19:21,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 471 transitions. [2018-11-28 12:19:21,016 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 471 transitions. Word has length 93 [2018-11-28 12:19:21,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:21,016 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 471 transitions. [2018-11-28 12:19:21,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:19:21,017 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 471 transitions. [2018-11-28 12:19:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 12:19:21,018 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:21,018 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:19:21,018 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:21,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:21,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1605496800, now seen corresponding path program 1 times [2018-11-28 12:19:21,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:21,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:21,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:21,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:21,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:21,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:21,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:21,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:19:21,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:19:21,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:19:21,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:19:21,082 INFO L87 Difference]: Start difference. First operand 415 states and 471 transitions. Second operand 4 states. [2018-11-28 12:19:21,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:21,209 INFO L93 Difference]: Finished difference Result 1250 states and 1496 transitions. [2018-11-28 12:19:21,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:19:21,211 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-28 12:19:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:21,214 INFO L225 Difference]: With dead ends: 1250 [2018-11-28 12:19:21,214 INFO L226 Difference]: Without dead ends: 863 [2018-11-28 12:19:21,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:19:21,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-11-28 12:19:21,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 549. [2018-11-28 12:19:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-11-28 12:19:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 618 transitions. [2018-11-28 12:19:21,240 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 618 transitions. Word has length 93 [2018-11-28 12:19:21,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:21,241 INFO L480 AbstractCegarLoop]: Abstraction has 549 states and 618 transitions. [2018-11-28 12:19:21,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:19:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 618 transitions. [2018-11-28 12:19:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-28 12:19:21,243 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:21,243 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] [2018-11-28 12:19:21,243 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:21,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:21,243 INFO L82 PathProgramCache]: Analyzing trace with hash -2047783674, now seen corresponding path program 1 times [2018-11-28 12:19:21,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:21,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:21,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:21,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:21,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:21,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:19:21,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:19:21,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:19:21,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:19:21,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:19:21,295 INFO L87 Difference]: Start difference. First operand 549 states and 618 transitions. Second operand 3 states. [2018-11-28 12:19:21,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:21,327 INFO L93 Difference]: Finished difference Result 866 states and 990 transitions. [2018-11-28 12:19:21,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:19:21,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-11-28 12:19:21,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:21,330 INFO L225 Difference]: With dead ends: 866 [2018-11-28 12:19:21,331 INFO L226 Difference]: Without dead ends: 863 [2018-11-28 12:19:21,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:19:21,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-11-28 12:19:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 713. [2018-11-28 12:19:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2018-11-28 12:19:21,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 813 transitions. [2018-11-28 12:19:21,360 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 813 transitions. Word has length 97 [2018-11-28 12:19:21,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:21,360 INFO L480 AbstractCegarLoop]: Abstraction has 713 states and 813 transitions. [2018-11-28 12:19:21,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:19:21,361 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 813 transitions. [2018-11-28 12:19:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-28 12:19:21,363 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:21,363 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] [2018-11-28 12:19:21,363 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:21,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:21,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1584272901, now seen corresponding path program 1 times [2018-11-28 12:19:21,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:21,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:21,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:21,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:21,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 12:19:21,439 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:19:21,439 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:19:21,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:21,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:19:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:19:21,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:19:21,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-28 12:19:21,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:19:21,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:19:21,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:19:21,607 INFO L87 Difference]: Start difference. First operand 713 states and 813 transitions. Second operand 8 states. [2018-11-28 12:19:21,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:21,808 INFO L93 Difference]: Finished difference Result 1201 states and 1380 transitions. [2018-11-28 12:19:21,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:19:21,809 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-11-28 12:19:21,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:21,812 INFO L225 Difference]: With dead ends: 1201 [2018-11-28 12:19:21,812 INFO L226 Difference]: Without dead ends: 646 [2018-11-28 12:19:21,814 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 [2018-11-28 12:19:21,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-11-28 12:19:21,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2018-11-28 12:19:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-11-28 12:19:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 727 transitions. [2018-11-28 12:19:21,859 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 727 transitions. Word has length 160 [2018-11-28 12:19:21,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:21,859 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 727 transitions. [2018-11-28 12:19:21,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:19:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 727 transitions. [2018-11-28 12:19:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-28 12:19:21,862 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:19:21,862 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] [2018-11-28 12:19:21,862 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:19:21,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:19:21,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1035830722, now seen corresponding path program 1 times [2018-11-28 12:19:21,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:19:21,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:19:21,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:21,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:21,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:19:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-28 12:19:22,028 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:19:22,029 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:19:22,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:19:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:19:22,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:19:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 12:19:22,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:19:22,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 12:19:22,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:19:22,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:19:22,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:19:22,343 INFO L87 Difference]: Start difference. First operand 646 states and 727 transitions. Second operand 19 states. [2018-11-28 12:19:22,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:19:22,940 INFO L93 Difference]: Finished difference Result 1164 states and 1322 transitions. [2018-11-28 12:19:22,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:19:22,941 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 173 [2018-11-28 12:19:22,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:19:22,942 INFO L225 Difference]: With dead ends: 1164 [2018-11-28 12:19:22,942 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:19:22,943 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 [2018-11-28 12:19:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:19:22,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:19:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:19:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:19:22,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-11-28 12:19:22,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:19:22,944 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:19:22,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:19:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:19:22,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:19:22,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:19:22,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:22,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:22,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:22,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:19:23,394 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2018-11-28 12:19:24,059 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2018-11-28 12:19:24,218 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-11-28 12:19:25,268 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2018-11-28 12:19:25,690 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2018-11-28 12:19:25,690 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2018-11-28 12:19:25,691 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2018-11-28 12:19:25,691 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2018-11-28 12:19:25,691 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2018-11-28 12:19:25,691 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))) [2018-11-28 12:19:25,691 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2018-11-28 12:19:25,691 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2018-11-28 12:19:25,691 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))) [2018-11-28 12:19:25,691 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))) [2018-11-28 12:19:25,691 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2018-11-28 12:19:25,691 INFO L448 ceAbstractionStarter]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2018-11-28 12:19:25,691 INFO L448 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-11-28 12:19:25,691 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))) [2018-11-28 12:19:25,691 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))) [2018-11-28 12:19:25,692 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))) [2018-11-28 12:19:25,692 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2018-11-28 12:19:25,692 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2018-11-28 12:19:25,692 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2018-11-28 12:19:25,692 INFO L451 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2018-11-28 12:19:25,692 INFO L448 ceAbstractionStarter]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2018-11-28 12:19:25,692 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-28 12:19:25,692 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2018-11-28 12:19:25,692 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2018-11-28 12:19:25,692 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2018-11-28 12:19:25,692 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2018-11-28 12:19:25,692 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2018-11-28 12:19:25,692 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2018-11-28 12:19:25,693 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))) [2018-11-28 12:19:25,693 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2018-11-28 12:19:25,693 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))) [2018-11-28 12:19:25,693 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2018-11-28 12:19:25,693 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2018-11-28 12:19:25,693 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2018-11-28 12:19:25,693 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2018-11-28 12:19:25,693 INFO L451 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2018-11-28 12:19:25,693 INFO L448 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2018-11-28 12:19:25,693 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))))) [2018-11-28 12:19:25,694 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2018-11-28 12:19:25,694 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2018-11-28 12:19:25,694 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 946) no Hoare annotation was computed. [2018-11-28 12:19:25,694 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2018-11-28 12:19:25,694 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2018-11-28 12:19:25,694 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2018-11-28 12:19:25,694 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)))) [2018-11-28 12:19:25,694 INFO L448 ceAbstractionStarter]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2018-11-28 12:19:25,694 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2018-11-28 12:19:25,694 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)))) [2018-11-28 12:19:25,695 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)))) [2018-11-28 12:19:25,695 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)))) [2018-11-28 12:19:25,695 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2018-11-28 12:19:25,695 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)))) [2018-11-28 12:19:25,695 INFO L448 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2018-11-28 12:19:25,695 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2018-11-28 12:19:25,695 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2018-11-28 12:19:25,695 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2018-11-28 12:19:25,695 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))) [2018-11-28 12:19:25,696 INFO L448 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2018-11-28 12:19:25,696 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))) [2018-11-28 12:19:25,696 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2018-11-28 12:19:25,696 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2018-11-28 12:19:25,696 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))) [2018-11-28 12:19:25,696 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-28 12:19:25,696 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2018-11-28 12:19:25,696 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))) [2018-11-28 12:19:25,696 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))) [2018-11-28 12:19:25,697 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-11-28 12:19:25,697 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2018-11-28 12:19:25,697 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-11-28 12:19:25,697 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))) [2018-11-28 12:19:25,697 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-28 12:19:25,697 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2018-11-28 12:19:25,697 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2018-11-28 12:19:25,697 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2018-11-28 12:19:25,697 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2018-11-28 12:19:25,697 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))) [2018-11-28 12:19:25,697 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-11-28 12:19:25,697 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-11-28 12:19:25,698 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2018-11-28 12:19:25,698 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)))) [2018-11-28 12:19:25,698 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-28 12:19:25,698 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)))) [2018-11-28 12:19:25,698 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)))))) [2018-11-28 12:19:25,698 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2018-11-28 12:19:25,698 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2018-11-28 12:19:25,698 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2018-11-28 12:19:25,698 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))) [2018-11-28 12:19:25,699 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2018-11-28 12:19:25,699 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2018-11-28 12:19:25,699 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:19:25,699 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 12:19:25,699 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:19:25,699 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2018-11-28 12:19:25,699 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2018-11-28 12:19:25,699 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))))) [2018-11-28 12:19:25,699 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2018-11-28 12:19:25,699 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2018-11-28 12:19:25,699 INFO L451 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2018-11-28 12:19:25,699 INFO L448 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2018-11-28 12:19:25,700 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-11-28 12:19:25,700 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2018-11-28 12:19:25,700 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2018-11-28 12:19:25,700 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)))) [2018-11-28 12:19:25,700 INFO L448 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2018-11-28 12:19:25,700 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2018-11-28 12:19:25,700 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2018-11-28 12:19:25,700 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2018-11-28 12:19:25,700 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2018-11-28 12:19:25,700 INFO L448 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2018-11-28 12:19:25,700 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2018-11-28 12:19:25,701 INFO L451 ceAbstractionStarter]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2018-11-28 12:19:25,701 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2018-11-28 12:19:25,701 INFO L451 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-11-28 12:19:25,701 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-11-28 12:19:25,701 INFO L451 ceAbstractionStarter]: At program point L782(lines 757 786) the Hoare annotation is: true [2018-11-28 12:19:25,701 INFO L448 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2018-11-28 12:19:25,701 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2018-11-28 12:19:25,701 INFO L451 ceAbstractionStarter]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2018-11-28 12:19:25,701 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)))) [2018-11-28 12:19:25,701 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)))) [2018-11-28 12:19:25,702 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)))) [2018-11-28 12:19:25,702 INFO L448 ceAbstractionStarter]: For program point L501(lines 500 519) no Hoare annotation was computed. [2018-11-28 12:19:25,702 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)))) [2018-11-28 12:19:25,702 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2018-11-28 12:19:25,702 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2018-11-28 12:19:25,702 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: true [2018-11-28 12:19:25,702 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2018-11-28 12:19:25,702 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2018-11-28 12:19:25,702 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2018-11-28 12:19:25,703 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2018-11-28 12:19:25,703 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:19:25,703 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 12:19:25,703 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:19:25,703 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:19:25,703 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)))) [2018-11-28 12:19:25,703 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)))) [2018-11-28 12:19:25,703 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2018-11-28 12:19:25,703 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)))) [2018-11-28 12:19:25,703 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2018-11-28 12:19:25,704 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)))) [2018-11-28 12:19:25,704 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-11-28 12:19:25,704 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2018-11-28 12:19:25,704 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)))) [2018-11-28 12:19:25,704 INFO L448 ceAbstractionStarter]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2018-11-28 12:19:25,704 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2018-11-28 12:19:25,704 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2018-11-28 12:19:25,704 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))) [2018-11-28 12:19:25,704 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 12:19:25,704 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 12:19:25,705 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 12:19:25,705 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 12:19:25,705 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)))) [2018-11-28 12:19:25,705 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2018-11-28 12:19:25,705 INFO L448 ceAbstractionStarter]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2018-11-28 12:19:25,705 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)))) [2018-11-28 12:19:25,705 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)))) [2018-11-28 12:19:25,705 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)))) [2018-11-28 12:19:25,705 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2018-11-28 12:19:25,706 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)))) [2018-11-28 12:19:25,706 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-11-28 12:19:25,706 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2018-11-28 12:19:25,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:19:25 BoogieIcfgContainer [2018-11-28 12:19:25,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:19:25,717 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:19:25,717 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:19:25,717 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:19:25,718 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:19:18" (3/4) ... [2018-11-28 12:19:25,721 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:19:25,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:19:25,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:19:25,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:19:25,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:19:25,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:19:25,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:19:25,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:19:25,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:19:25,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:19:25,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:19:25,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:19:25,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:19:25,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:19:25,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:19:25,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:19:25,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:19:25,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:19:25,736 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 12:19:25,736 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 12:19:25,737 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:19:25,737 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 12:19:25,737 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:19:25,738 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:19:25,757 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) [2018-11-28 12:19:25,757 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:19:25,791 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3317b1ab-06a3-4619-ad4c-e37ad5b0f937/bin-2019/uautomizer/witness.graphml [2018-11-28 12:19:25,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:19:25,792 INFO L168 Benchmark]: Toolchain (without parser) took 7964.32 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 349.2 MB). Free memory was 956.0 MB in the beginning and 1.3 GB in the end (delta: -302.7 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:25,793 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:19:25,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:25,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:25,793 INFO L168 Benchmark]: Boogie Preprocessor took 29.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:25,794 INFO L168 Benchmark]: RCFGBuilder took 523.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:25,794 INFO L168 Benchmark]: TraceAbstraction took 6968.65 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 215.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -205.8 MB). Peak memory consumption was 350.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:25,794 INFO L168 Benchmark]: Witness Printer took 74.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:19:25,796 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 523.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6968.65 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 215.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -205.8 MB). Peak memory consumption was 350.8 MB. Max. memory is 11.5 GB. * Witness Printer took 74.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 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, 6.9s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2244 SDtfs, 1476 SDslu, 6439 SDs, 0 SdLazy, 2222 SolverSat, 345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 468 GetRequests, 382 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.6s 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, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s 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...