./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/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 59e8ffce74c1b6945f19c84278937c63a4a3dd33 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:43:41,297 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:43:41,298 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:43:41,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:43:41,305 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:43:41,306 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:43:41,307 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:43:41,308 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:43:41,309 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:43:41,309 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:43:41,310 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:43:41,310 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:43:41,311 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:43:41,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:43:41,312 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:43:41,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:43:41,313 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:43:41,315 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:43:41,316 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:43:41,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:43:41,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:43:41,319 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:43:41,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:43:41,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:43:41,321 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:43:41,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:43:41,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:43:41,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:43:41,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:43:41,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:43:41,324 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:43:41,324 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:43:41,324 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:43:41,325 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:43:41,325 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:43:41,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:43:41,326 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 08:43:41,335 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:43:41,335 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:43:41,336 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:43:41,336 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:43:41,336 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:43:41,336 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:43:41,337 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 08:43:41,337 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:43:41,337 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:43:41,337 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:43:41,337 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:43:41,337 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:43:41,337 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:43:41,337 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:43:41,337 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:43:41,338 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:43:41,338 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:43:41,338 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:43:41,338 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:43:41,338 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:43:41,338 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:43:41,338 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:43:41,338 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:43:41,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:43:41,339 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:43:41,339 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:43:41,339 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:43:41,339 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 08:43:41,339 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:43:41,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:43:41,339 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_c982ad6d-b397-44fb-9567-947f54a6affb/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 -> 59e8ffce74c1b6945f19c84278937c63a4a3dd33 [2018-12-02 08:43:41,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:43:41,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:43:41,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:43:41,369 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:43:41,369 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:43:41,370 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-12-02 08:43:41,404 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/data/92ea96213/bb87c7ca1f654156b5fc382ddf29830f/FLAG6e2ed5234 [2018-12-02 08:43:41,805 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:43:41,805 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-12-02 08:43:41,811 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/data/92ea96213/bb87c7ca1f654156b5fc382ddf29830f/FLAG6e2ed5234 [2018-12-02 08:43:41,820 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/data/92ea96213/bb87c7ca1f654156b5fc382ddf29830f [2018-12-02 08:43:41,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:43:41,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:43:41,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:43:41,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:43:41,825 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:43:41,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:43:41" (1/1) ... [2018-12-02 08:43:41,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:41, skipping insertion in model container [2018-12-02 08:43:41,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:43:41" (1/1) ... [2018-12-02 08:43:41,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:43:41,852 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:43:41,998 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:43:42,037 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:43:42,080 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:43:42,095 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:43:42,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42 WrapperNode [2018-12-02 08:43:42,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:43:42,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:43:42,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:43:42,096 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:43:42,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (1/1) ... [2018-12-02 08:43:42,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (1/1) ... [2018-12-02 08:43:42,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:43:42,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:43:42,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:43:42,116 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:43:42,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (1/1) ... [2018-12-02 08:43:42,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (1/1) ... [2018-12-02 08:43:42,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (1/1) ... [2018-12-02 08:43:42,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (1/1) ... [2018-12-02 08:43:42,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (1/1) ... [2018-12-02 08:43:42,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (1/1) ... [2018-12-02 08:43:42,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (1/1) ... [2018-12-02 08:43:42,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:43:42,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:43:42,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:43:42,137 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:43:42,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:43:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 08:43:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 08:43:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:43:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:43:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 08:43:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 08:43:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:43:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 08:43:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 08:43:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 08:43:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 08:43:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 08:43:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 08:43:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 08:43:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 08:43:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 08:43:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 08:43:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 08:43:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 08:43:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 08:43:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 08:43:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 08:43:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 08:43:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 08:43:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 08:43:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 08:43:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 08:43:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 08:43:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 08:43:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 08:43:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 08:43:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 08:43:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 08:43:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 08:43:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 08:43:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 08:43:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 08:43:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 08:43:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 08:43:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 08:43:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 08:43:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 08:43:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 08:43:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 08:43:42,176 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 08:43:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 08:43:42,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 08:43:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 08:43:42,176 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 08:43:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 08:43:42,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 08:43:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 08:43:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 08:43:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 08:43:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:43:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:43:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 08:43:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 08:43:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 08:43:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 08:43:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 08:43:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 08:43:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:43:42,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:43:42,513 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:43:42,513 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 08:43:42,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:43:42 BoogieIcfgContainer [2018-12-02 08:43:42,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:43:42,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:43:42,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:43:42,516 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:43:42,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:43:41" (1/3) ... [2018-12-02 08:43:42,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273f9acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:43:42, skipping insertion in model container [2018-12-02 08:43:42,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:43:42" (2/3) ... [2018-12-02 08:43:42,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273f9acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:43:42, skipping insertion in model container [2018-12-02 08:43:42,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:43:42" (3/3) ... [2018-12-02 08:43:42,518 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-12-02 08:43:42,524 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:43:42,529 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:43:42,538 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:43:42,557 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 08:43:42,557 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:43:42,557 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:43:42,557 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:43:42,557 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:43:42,557 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:43:42,558 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:43:42,558 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:43:42,558 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:43:42,569 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-12-02 08:43:42,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 08:43:42,575 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:42,575 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:43:42,577 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:42,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash -2001401742, now seen corresponding path program 1 times [2018-12-02 08:43:42,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:42,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:42,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:42,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:42,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:43:42,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:43:42,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 08:43:42,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 08:43:42,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 08:43:42,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:43:42,733 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-12-02 08:43:42,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:42,758 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2018-12-02 08:43:42,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 08:43:42,759 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 08:43:42,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:42,766 INFO L225 Difference]: With dead ends: 306 [2018-12-02 08:43:42,767 INFO L226 Difference]: Without dead ends: 153 [2018-12-02 08:43:42,769 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:43:42,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-12-02 08:43:42,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-12-02 08:43:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-12-02 08:43:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2018-12-02 08:43:42,802 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2018-12-02 08:43:42,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:42,802 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2018-12-02 08:43:42,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 08:43:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2018-12-02 08:43:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 08:43:42,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:42,805 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:43:42,805 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:42,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:42,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1725615412, now seen corresponding path program 1 times [2018-12-02 08:43:42,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:42,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:42,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:42,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:42,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:43:42,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:43:42,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:43:42,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:43:42,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:43:42,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:43:42,866 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2018-12-02 08:43:42,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:42,887 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2018-12-02 08:43:42,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:43:42,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 08:43:42,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:42,889 INFO L225 Difference]: With dead ends: 251 [2018-12-02 08:43:42,889 INFO L226 Difference]: Without dead ends: 144 [2018-12-02 08:43:42,890 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:43:42,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-02 08:43:42,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-02 08:43:42,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-02 08:43:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-12-02 08:43:42,901 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2018-12-02 08:43:42,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:42,901 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-12-02 08:43:42,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:43:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-12-02 08:43:42,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 08:43:42,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:42,903 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:43:42,903 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:42,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:42,903 INFO L82 PathProgramCache]: Analyzing trace with hash -625581009, now seen corresponding path program 1 times [2018-12-02 08:43:42,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:42,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:42,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:42,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:42,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:43:42,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:43:42,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:43:42,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:43:42,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:43:42,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:43:42,987 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2018-12-02 08:43:43,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:43,150 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2018-12-02 08:43:43,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 08:43:43,150 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-02 08:43:43,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:43,151 INFO L225 Difference]: With dead ends: 264 [2018-12-02 08:43:43,151 INFO L226 Difference]: Without dead ends: 144 [2018-12-02 08:43:43,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:43:43,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-02 08:43:43,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-02 08:43:43,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-02 08:43:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-12-02 08:43:43,160 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2018-12-02 08:43:43,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:43,160 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-12-02 08:43:43,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:43:43,160 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-12-02 08:43:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 08:43:43,161 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:43,161 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] [2018-12-02 08:43:43,162 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:43,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:43,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1965916871, now seen corresponding path program 1 times [2018-12-02 08:43:43,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:43,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:43,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:43,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:43,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:43:43,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:43:43,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 08:43:43,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 08:43:43,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 08:43:43,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 08:43:43,221 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2018-12-02 08:43:43,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:43,545 INFO L93 Difference]: Finished difference Result 383 states and 463 transitions. [2018-12-02 08:43:43,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:43:43,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-12-02 08:43:43,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:43,547 INFO L225 Difference]: With dead ends: 383 [2018-12-02 08:43:43,547 INFO L226 Difference]: Without dead ends: 263 [2018-12-02 08:43:43,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:43:43,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-12-02 08:43:43,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 244. [2018-12-02 08:43:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-12-02 08:43:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 277 transitions. [2018-12-02 08:43:43,565 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 277 transitions. Word has length 76 [2018-12-02 08:43:43,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:43,565 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 277 transitions. [2018-12-02 08:43:43,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 08:43:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 277 transitions. [2018-12-02 08:43:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 08:43:43,567 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:43,567 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:43:43,568 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:43,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:43,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1982144752, now seen corresponding path program 1 times [2018-12-02 08:43:43,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:43,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:43,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:43,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:43,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:43:43,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:43:43,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:43:43,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:43:43,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:43:43,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:43:43,653 INFO L87 Difference]: Start difference. First operand 244 states and 277 transitions. Second operand 6 states. [2018-12-02 08:43:43,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:43,750 INFO L93 Difference]: Finished difference Result 591 states and 704 transitions. [2018-12-02 08:43:43,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:43:43,751 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-12-02 08:43:43,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:43,754 INFO L225 Difference]: With dead ends: 591 [2018-12-02 08:43:43,754 INFO L226 Difference]: Without dead ends: 371 [2018-12-02 08:43:43,755 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:43:43,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-12-02 08:43:43,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2018-12-02 08:43:43,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-02 08:43:43,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 422 transitions. [2018-12-02 08:43:43,779 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 422 transitions. Word has length 90 [2018-12-02 08:43:43,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:43,779 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 422 transitions. [2018-12-02 08:43:43,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:43:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 422 transitions. [2018-12-02 08:43:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 08:43:43,780 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:43,781 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] [2018-12-02 08:43:43,781 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:43,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:43,781 INFO L82 PathProgramCache]: Analyzing trace with hash 685565194, now seen corresponding path program 1 times [2018-12-02 08:43:43,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:43,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:43,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:43,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:43,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:43:43,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:43:43,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:43:43,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:43:43,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:43:43,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:43:43,864 INFO L87 Difference]: Start difference. First operand 367 states and 422 transitions. Second operand 6 states. [2018-12-02 08:43:43,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:43,996 INFO L93 Difference]: Finished difference Result 802 states and 959 transitions. [2018-12-02 08:43:43,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:43:43,996 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-02 08:43:43,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:43,998 INFO L225 Difference]: With dead ends: 802 [2018-12-02 08:43:43,998 INFO L226 Difference]: Without dead ends: 582 [2018-12-02 08:43:43,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:43:43,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2018-12-02 08:43:44,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2018-12-02 08:43:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-02 08:43:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 664 transitions. [2018-12-02 08:43:44,018 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 664 transitions. Word has length 94 [2018-12-02 08:43:44,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:44,019 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 664 transitions. [2018-12-02 08:43:44,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:43:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 664 transitions. [2018-12-02 08:43:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 08:43:44,020 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:44,020 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] [2018-12-02 08:43:44,020 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:44,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:44,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1250095093, now seen corresponding path program 1 times [2018-12-02 08:43:44,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:44,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:44,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:44,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:44,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:43:44,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:43:44,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 08:43:44,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 08:43:44,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 08:43:44,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 08:43:44,060 INFO L87 Difference]: Start difference. First operand 564 states and 664 transitions. Second operand 5 states. [2018-12-02 08:43:44,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:44,080 INFO L93 Difference]: Finished difference Result 991 states and 1193 transitions. [2018-12-02 08:43:44,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 08:43:44,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-12-02 08:43:44,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:44,082 INFO L225 Difference]: With dead ends: 991 [2018-12-02 08:43:44,083 INFO L226 Difference]: Without dead ends: 574 [2018-12-02 08:43:44,084 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 08:43:44,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-02 08:43:44,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 568. [2018-12-02 08:43:44,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2018-12-02 08:43:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 667 transitions. [2018-12-02 08:43:44,113 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 667 transitions. Word has length 94 [2018-12-02 08:43:44,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:44,113 INFO L480 AbstractCegarLoop]: Abstraction has 568 states and 667 transitions. [2018-12-02 08:43:44,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 08:43:44,113 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 667 transitions. [2018-12-02 08:43:44,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 08:43:44,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:44,114 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:43:44,114 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:44,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:44,115 INFO L82 PathProgramCache]: Analyzing trace with hash -590563571, now seen corresponding path program 1 times [2018-12-02 08:43:44,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:44,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:44,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:44,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:44,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:43:44,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:43:44,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 08:43:44,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:43:44,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:43:44,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:43:44,172 INFO L87 Difference]: Start difference. First operand 568 states and 667 transitions. Second operand 9 states. [2018-12-02 08:43:44,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:44,210 INFO L93 Difference]: Finished difference Result 1116 states and 1338 transitions. [2018-12-02 08:43:44,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 08:43:44,210 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-12-02 08:43:44,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:44,213 INFO L225 Difference]: With dead ends: 1116 [2018-12-02 08:43:44,213 INFO L226 Difference]: Without dead ends: 572 [2018-12-02 08:43:44,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:43:44,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-12-02 08:43:44,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2018-12-02 08:43:44,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2018-12-02 08:43:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 663 transitions. [2018-12-02 08:43:44,240 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 663 transitions. Word has length 94 [2018-12-02 08:43:44,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:44,240 INFO L480 AbstractCegarLoop]: Abstraction has 566 states and 663 transitions. [2018-12-02 08:43:44,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:43:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 663 transitions. [2018-12-02 08:43:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 08:43:44,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:44,241 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] [2018-12-02 08:43:44,242 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:44,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:44,242 INFO L82 PathProgramCache]: Analyzing trace with hash -312273476, now seen corresponding path program 1 times [2018-12-02 08:43:44,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:44,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:44,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:44,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:44,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:43:44,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:43:44,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 08:43:44,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:43:44,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:43:44,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:43:44,311 INFO L87 Difference]: Start difference. First operand 566 states and 663 transitions. Second operand 10 states. [2018-12-02 08:43:44,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:44,454 INFO L93 Difference]: Finished difference Result 1114 states and 1308 transitions. [2018-12-02 08:43:44,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 08:43:44,454 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2018-12-02 08:43:44,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:44,456 INFO L225 Difference]: With dead ends: 1114 [2018-12-02 08:43:44,457 INFO L226 Difference]: Without dead ends: 572 [2018-12-02 08:43:44,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 08:43:44,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-12-02 08:43:44,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 551. [2018-12-02 08:43:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2018-12-02 08:43:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 628 transitions. [2018-12-02 08:43:44,481 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 628 transitions. Word has length 95 [2018-12-02 08:43:44,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:44,481 INFO L480 AbstractCegarLoop]: Abstraction has 551 states and 628 transitions. [2018-12-02 08:43:44,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:43:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 628 transitions. [2018-12-02 08:43:44,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 08:43:44,483 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:44,483 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:43:44,483 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:44,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:44,483 INFO L82 PathProgramCache]: Analyzing trace with hash 267209549, now seen corresponding path program 1 times [2018-12-02 08:43:44,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:44,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:44,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:44,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:44,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:44,528 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 08:43:44,528 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:43:44,528 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:43:44,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:44,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:43:44,729 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:43:44,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:43:44,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-12-02 08:43:44,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 08:43:44,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 08:43:44,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-12-02 08:43:44,757 INFO L87 Difference]: Start difference. First operand 551 states and 628 transitions. Second operand 12 states. [2018-12-02 08:43:45,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:45,948 INFO L93 Difference]: Finished difference Result 1525 states and 1873 transitions. [2018-12-02 08:43:45,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 08:43:45,948 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 143 [2018-12-02 08:43:45,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:45,951 INFO L225 Difference]: With dead ends: 1525 [2018-12-02 08:43:45,951 INFO L226 Difference]: Without dead ends: 1075 [2018-12-02 08:43:45,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-12-02 08:43:45,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2018-12-02 08:43:45,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 981. [2018-12-02 08:43:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2018-12-02 08:43:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1140 transitions. [2018-12-02 08:43:45,991 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1140 transitions. Word has length 143 [2018-12-02 08:43:45,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:45,991 INFO L480 AbstractCegarLoop]: Abstraction has 981 states and 1140 transitions. [2018-12-02 08:43:45,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 08:43:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1140 transitions. [2018-12-02 08:43:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 08:43:45,992 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:45,992 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:43:45,992 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:45,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:45,993 INFO L82 PathProgramCache]: Analyzing trace with hash -560188059, now seen corresponding path program 1 times [2018-12-02 08:43:45,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:45,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:45,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:45,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:45,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 08:43:46,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:43:46,057 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:43:46,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:46,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:43:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 08:43:46,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:43:46,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-02 08:43:46,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 08:43:46,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 08:43:46,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:43:46,189 INFO L87 Difference]: Start difference. First operand 981 states and 1140 transitions. Second operand 11 states. [2018-12-02 08:43:46,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:46,228 INFO L93 Difference]: Finished difference Result 1746 states and 2055 transitions. [2018-12-02 08:43:46,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:43:46,228 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2018-12-02 08:43:46,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:46,230 INFO L225 Difference]: With dead ends: 1746 [2018-12-02 08:43:46,230 INFO L226 Difference]: Without dead ends: 859 [2018-12-02 08:43:46,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:43:46,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2018-12-02 08:43:46,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2018-12-02 08:43:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2018-12-02 08:43:46,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 993 transitions. [2018-12-02 08:43:46,277 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 993 transitions. Word has length 139 [2018-12-02 08:43:46,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:46,277 INFO L480 AbstractCegarLoop]: Abstraction has 859 states and 993 transitions. [2018-12-02 08:43:46,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 08:43:46,277 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 993 transitions. [2018-12-02 08:43:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 08:43:46,278 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:43:46,278 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:43:46,278 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:43:46,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:43:46,279 INFO L82 PathProgramCache]: Analyzing trace with hash -752833622, now seen corresponding path program 1 times [2018-12-02 08:43:46,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:43:46,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:43:46,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:46,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:46,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:43:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:46,319 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 08:43:46,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:43:46,319 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:43:46,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:43:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:43:46,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:43:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 08:43:46,484 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 08:43:46,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-12-02 08:43:46,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 08:43:46,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 08:43:46,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-02 08:43:46,485 INFO L87 Difference]: Start difference. First operand 859 states and 993 transitions. Second operand 15 states. [2018-12-02 08:43:48,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:43:48,129 INFO L93 Difference]: Finished difference Result 3033 states and 4166 transitions. [2018-12-02 08:43:48,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-02 08:43:48,129 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 143 [2018-12-02 08:43:48,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:43:48,130 INFO L225 Difference]: With dead ends: 3033 [2018-12-02 08:43:48,130 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 08:43:48,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-12-02 08:43:48,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 08:43:48,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 08:43:48,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 08:43:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 08:43:48,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2018-12-02 08:43:48,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:43:48,136 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 08:43:48,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 08:43:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 08:43:48,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:43:48,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 08:43:48,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:43:48,945 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-12-02 08:43:49,481 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2018-12-02 08:43:49,604 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 25 [2018-12-02 08:43:50,002 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-12-02 08:43:50,168 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2018-12-02 08:43:50,438 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-12-02 08:43:50,565 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-12-02 08:43:50,804 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-12-02 08:43:50,952 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 27 [2018-12-02 08:43:52,024 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-12-02 08:43:52,179 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-12-02 08:43:52,181 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2018-12-02 08:43:52,181 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2018-12-02 08:43:52,181 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2018-12-02 08:43:52,181 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2018-12-02 08:43:52,182 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2018-12-02 08:43:52,182 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:43:52,182 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2018-12-02 08:43:52,182 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 08:43:52,182 INFO L444 ceAbstractionStarter]: At program point L241-1(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 08:43:52,182 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 246) no Hoare annotation was computed. [2018-12-02 08:43:52,182 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2018-12-02 08:43:52,182 INFO L448 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-12-02 08:43:52,182 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2018-12-02 08:43:52,182 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:43:52,182 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:43:52,182 INFO L444 ceAbstractionStarter]: At program point L235-1(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:43:52,182 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2018-12-02 08:43:52,182 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2018-12-02 08:43:52,182 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2018-12-02 08:43:52,182 INFO L448 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-12-02 08:43:52,182 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2018-12-02 08:43:52,182 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 984) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L451 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2018-12-02 08:43:52,183 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L451 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 871) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-12-02 08:43:52,183 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 876) no Hoare annotation was computed. [2018-12-02 08:43:52,184 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2018-12-02 08:43:52,184 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-02 08:43:52,184 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-02 08:43:52,184 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2018-12-02 08:43:52,184 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 08:43:52,184 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-02 08:43:52,184 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-02 08:43:52,184 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-02 08:43:52,184 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-02 08:43:52,184 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-12-02 08:43:52,184 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-12-02 08:43:52,184 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:43:52,184 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 08:43:52,184 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-12-02 08:43:52,184 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-12-02 08:43:52,184 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-12-02 08:43:52,184 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 08:43:52,184 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 08:43:52,184 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2018-12-02 08:43:52,185 INFO L451 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2018-12-02 08:43:52,185 INFO L448 ceAbstractionStarter]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2018-12-02 08:43:52,186 INFO L448 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2018-12-02 08:43:52,186 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2018-12-02 08:43:52,186 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2018-12-02 08:43:52,186 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-12-02 08:43:52,186 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-12-02 08:43:52,186 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-12-02 08:43:52,186 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-02 08:43:52,186 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not .cse7)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse0 .cse5) (or .cse4 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse6 .cse7)))) [2018-12-02 08:43:52,186 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-02 08:43:52,186 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or .cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or (<= 1 ~waterLevel~0) .cse1 .cse4 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse6 .cse0 .cse2 .cse5) (or .cse1 .cse4 .cse6)))) [2018-12-02 08:43:52,186 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse4 .cse1 .cse5)))) [2018-12-02 08:43:52,186 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-12-02 08:43:52,186 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-12-02 08:43:52,186 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-12-02 08:43:52,186 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-12-02 08:43:52,186 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-12-02 08:43:52,186 INFO L451 ceAbstractionStarter]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2018-12-02 08:43:52,186 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2018-12-02 08:43:52,187 INFO L451 ceAbstractionStarter]: At program point L178(lines 153 182) the Hoare annotation is: true [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L451 ceAbstractionStarter]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L444 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2018-12-02 08:43:52,187 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0) .cse3 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1))) [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2018-12-02 08:43:52,187 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse2 .cse5 .cse6 .cse3))) [2018-12-02 08:43:52,187 INFO L448 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-12-02 08:43:52,188 INFO L448 ceAbstractionStarter]: For program point L272(lines 272 292) no Hoare annotation was computed. [2018-12-02 08:43:52,188 INFO L451 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: true [2018-12-02 08:43:52,188 INFO L448 ceAbstractionStarter]: For program point L270-1(line 270) no Hoare annotation was computed. [2018-12-02 08:43:52,188 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-12-02 08:43:52,188 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-02 08:43:52,188 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-02 08:43:52,188 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2018-12-02 08:43:52,188 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2018-12-02 08:43:52,188 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:43:52,188 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-12-02 08:43:52,188 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:43:52,188 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:43:52,188 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 08:43:52,188 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-12-02 08:43:52,188 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 08:43:52,188 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-12-02 08:43:52,188 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse0) (or (or (<= 2 ~waterLevel~0) .cse1 .cse0) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-02 08:43:52,188 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-02 08:43:52,188 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (not (= 1 ~pumpRunning~0)) .cse1) .cse2) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse2 .cse1))) [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2018-12-02 08:43:52,189 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-02 08:43:52,189 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-02 08:43:52,189 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-12-02 08:43:52,190 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 08:43:52,190 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 08:43:52,190 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-12-02 08:43:52,190 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 08:43:52,190 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-02 08:43:52,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:43:52 BoogieIcfgContainer [2018-12-02 08:43:52,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:43:52,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:43:52,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:43:52,198 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:43:52,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:43:42" (3/4) ... [2018-12-02 08:43:52,202 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 08:43:52,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 08:43:52,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 08:43:52,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 08:43:52,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 08:43:52,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 08:43:52,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 08:43:52,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 08:43:52,214 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-02 08:43:52,215 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 08:43:52,215 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 08:43:52,215 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 08:43:52,216 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 08:43:52,216 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 08:43:52,236 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 08:43:52,236 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 08:43:52,268 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c982ad6d-b397-44fb-9567-947f54a6affb/bin-2019/uautomizer/witness.graphml [2018-12-02 08:43:52,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:43:52,269 INFO L168 Benchmark]: Toolchain (without parser) took 10447.53 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 388.5 MB). Free memory was 951.7 MB in the beginning and 820.2 MB in the end (delta: 131.5 MB). Peak memory consumption was 520.0 MB. Max. memory is 11.5 GB. [2018-12-02 08:43:52,270 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:43:52,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:43:52,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:43:52,270 INFO L168 Benchmark]: Boogie Preprocessor took 21.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:43:52,271 INFO L168 Benchmark]: RCFGBuilder took 376.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:43:52,271 INFO L168 Benchmark]: TraceAbstraction took 9683.67 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 285.2 MB). Free memory was 1.0 GB in the beginning and 831.9 MB in the end (delta: 207.7 MB). Peak memory consumption was 492.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:43:52,271 INFO L168 Benchmark]: Witness Printer took 70.63 ms. Allocated memory is still 1.4 GB. Free memory was 831.9 MB in the beginning and 820.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:43:52,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 376.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9683.67 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 285.2 MB). Free memory was 1.0 GB in the beginning and 831.9 MB in the end (delta: 207.7 MB). Peak memory consumption was 492.9 MB. Max. memory is 11.5 GB. * Witness Printer took 70.63 ms. Allocated memory is still 1.4 GB. Free memory was 831.9 MB in the beginning and 820.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 166 locations, 1 error locations. SAFE Result, 9.6s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2343 SDtfs, 2273 SDslu, 7950 SDs, 0 SdLazy, 6178 SolverSat, 1309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 596 GetRequests, 469 SyntacticMatches, 2 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=981occurred 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, 168 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3070 PreInvPairs, 3651 NumberOfFragments, 1838 HoareAnnotationTreeSize, 3070 FomulaSimplifications, 13931 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 69 FomulaSimplificationsInter, 37002 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1556 NumberOfCodeBlocks, 1556 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1541 ConstructedInterpolants, 0 QuantifiedInterpolants, 273812 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2546 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 170/186 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...