./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_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_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/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 5f4b0de905917a1846797fc2994ae6377b8a6114 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:42:40,210 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:42:40,211 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:42:40,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:42:40,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:42:40,218 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:42:40,219 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:42:40,220 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:42:40,221 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:42:40,221 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:42:40,222 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:42:40,222 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:42:40,222 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:42:40,223 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:42:40,224 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:42:40,224 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:42:40,224 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:42:40,225 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:42:40,226 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:42:40,227 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:42:40,228 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:42:40,228 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:42:40,229 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:42:40,230 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:42:40,230 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:42:40,230 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:42:40,231 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:42:40,231 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:42:40,232 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:42:40,232 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:42:40,232 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:42:40,233 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:42:40,233 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:42:40,233 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:42:40,234 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:42:40,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:42:40,234 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 01:42:40,241 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:42:40,242 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:42:40,242 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:42:40,242 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:42:40,243 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:42:40,243 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:42:40,243 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:42:40,243 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:42:40,243 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:42:40,243 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:42:40,243 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:42:40,243 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:42:40,244 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:42:40,244 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:42:40,244 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:42:40,244 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:42:40,244 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:42:40,244 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:42:40,244 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:42:40,244 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:42:40,245 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:42:40,245 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:42:40,245 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:42:40,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:42:40,245 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:42:40,245 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:42:40,245 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:42:40,245 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 01:42:40,246 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:42:40,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:42:40,246 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_97f5ab32-1bf4-4414-b823-9bac6506cdcd/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 -> 5f4b0de905917a1846797fc2994ae6377b8a6114 [2018-12-09 01:42:40,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:42:40,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:42:40,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:42:40,273 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:42:40,273 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:42:40,273 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-09 01:42:40,307 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/data/b4bafb418/9d11f31881dd434798899d08c0c6bac0/FLAG87b39202e [2018-12-09 01:42:40,642 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:42:40,642 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/sv-benchmarks/c/product-lines/minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-09 01:42:40,648 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/data/b4bafb418/9d11f31881dd434798899d08c0c6bac0/FLAG87b39202e [2018-12-09 01:42:40,657 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/data/b4bafb418/9d11f31881dd434798899d08c0c6bac0 [2018-12-09 01:42:40,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:42:40,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:42:40,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:42:40,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:42:40,662 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:42:40,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:40,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40, skipping insertion in model container [2018-12-09 01:42:40,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:40,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:42:40,690 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:42:40,840 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:42:40,848 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:42:40,937 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:42:40,958 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:42:40,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40 WrapperNode [2018-12-09 01:42:40,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:42:40,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:42:40,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:42:40,959 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:42:40,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:40,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:40,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:42:40,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:42:40,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:42:40,981 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:42:40,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:40,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:40,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:40,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:40,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:40,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:41,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (1/1) ... [2018-12-09 01:42:41,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:42:41,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:42:41,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:42:41,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:42:41,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/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 [2018-12-09 01:42:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 01:42:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 01:42:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:42:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:42:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 01:42:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 01:42:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:42:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 01:42:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 01:42:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 01:42:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 01:42:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 01:42:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 01:42:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 01:42:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 01:42:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 01:42:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 01:42:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 01:42:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 01:42:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 01:42:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 01:42:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 01:42:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 01:42:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 01:42:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 01:42:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 01:42:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 01:42:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 01:42:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 01:42:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 01:42:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 01:42:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 01:42:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 01:42:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 01:42:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 01:42:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 01:42:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 01:42:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 01:42:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 01:42:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 01:42:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 01:42:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 01:42:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 01:42:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 01:42:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 01:42:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 01:42:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 01:42:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 01:42:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 01:42:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 01:42:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 01:42:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 01:42:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 01:42:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 01:42:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 01:42:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 01:42:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:42:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:42:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 01:42:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 01:42:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 01:42:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 01:42:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:42:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:42:41,321 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:42:41,321 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 01:42:41,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:42:41 BoogieIcfgContainer [2018-12-09 01:42:41,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:42:41,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:42:41,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:42:41,324 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:42:41,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:42:40" (1/3) ... [2018-12-09 01:42:41,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61028585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:42:41, skipping insertion in model container [2018-12-09 01:42:41,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:42:40" (2/3) ... [2018-12-09 01:42:41,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61028585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:42:41, skipping insertion in model container [2018-12-09 01:42:41,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:42:41" (3/3) ... [2018-12-09 01:42:41,326 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54_true-unreach-call_false-termination.cil.c [2018-12-09 01:42:41,332 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:42:41,337 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:42:41,346 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:42:41,365 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:42:41,366 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:42:41,366 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:42:41,366 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:42:41,366 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:42:41,366 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:42:41,366 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:42:41,366 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:42:41,366 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:42:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-12-09 01:42:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 01:42:41,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:41,384 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:42:41,386 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:41,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:41,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1250052594, now seen corresponding path program 1 times [2018-12-09 01:42:41,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:41,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:41,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:41,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:41,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:41,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:42:41,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 01:42:41,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 01:42:41,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 01:42:41,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 01:42:41,540 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-12-09 01:42:41,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:41,565 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2018-12-09 01:42:41,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 01:42:41,566 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 01:42:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:41,573 INFO L225 Difference]: With dead ends: 300 [2018-12-09 01:42:41,573 INFO L226 Difference]: Without dead ends: 152 [2018-12-09 01:42:41,576 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 [2018-12-09 01:42:41,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-09 01:42:41,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-12-09 01:42:41,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-09 01:42:41,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2018-12-09 01:42:41,606 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2018-12-09 01:42:41,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:41,607 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2018-12-09 01:42:41,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 01:42:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2018-12-09 01:42:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 01:42:41,609 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:41,609 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] [2018-12-09 01:42:41,609 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:41,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:41,609 INFO L82 PathProgramCache]: Analyzing trace with hash -269928811, now seen corresponding path program 1 times [2018-12-09 01:42:41,609 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:41,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:41,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:41,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:41,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:41,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:42:41,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:42:41,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:42:41,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:42:41,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:42:41,663 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2018-12-09 01:42:41,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:41,681 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2018-12-09 01:42:41,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:42:41,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 01:42:41,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:41,683 INFO L225 Difference]: With dead ends: 245 [2018-12-09 01:42:41,684 INFO L226 Difference]: Without dead ends: 143 [2018-12-09 01:42:41,685 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 [2018-12-09 01:42:41,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-09 01:42:41,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-09 01:42:41,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-09 01:42:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-12-09 01:42:41,697 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2018-12-09 01:42:41,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:41,697 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-12-09 01:42:41,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:42:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-12-09 01:42:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 01:42:41,698 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:41,699 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:42:41,699 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:41,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:41,699 INFO L82 PathProgramCache]: Analyzing trace with hash 670016897, now seen corresponding path program 1 times [2018-12-09 01:42:41,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:41,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:41,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:41,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:41,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:41,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:41,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:42:41,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 01:42:41,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 01:42:41,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 01:42:41,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:42:41,795 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2018-12-09 01:42:42,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:42,002 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2018-12-09 01:42:42,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 01:42:42,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 01:42:42,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:42,004 INFO L225 Difference]: With dead ends: 258 [2018-12-09 01:42:42,004 INFO L226 Difference]: Without dead ends: 143 [2018-12-09 01:42:42,005 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 [2018-12-09 01:42:42,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-09 01:42:42,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-09 01:42:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-09 01:42:42,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2018-12-09 01:42:42,017 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2018-12-09 01:42:42,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:42,017 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2018-12-09 01:42:42,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 01:42:42,017 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2018-12-09 01:42:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 01:42:42,019 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:42,019 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] [2018-12-09 01:42:42,020 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:42,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:42,020 INFO L82 PathProgramCache]: Analyzing trace with hash -54842405, now seen corresponding path program 1 times [2018-12-09 01:42:42,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:42,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:42,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:42,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:42,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:42,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:42:42,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 01:42:42,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 01:42:42,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 01:42:42,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 01:42:42,099 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 5 states. [2018-12-09 01:42:42,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:42,389 INFO L93 Difference]: Finished difference Result 367 states and 447 transitions. [2018-12-09 01:42:42,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:42:42,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-12-09 01:42:42,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:42,391 INFO L225 Difference]: With dead ends: 367 [2018-12-09 01:42:42,391 INFO L226 Difference]: Without dead ends: 252 [2018-12-09 01:42:42,392 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 [2018-12-09 01:42:42,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-12-09 01:42:42,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 233. [2018-12-09 01:42:42,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-12-09 01:42:42,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 266 transitions. [2018-12-09 01:42:42,406 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 266 transitions. Word has length 75 [2018-12-09 01:42:42,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:42,406 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 266 transitions. [2018-12-09 01:42:42,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 01:42:42,406 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 266 transitions. [2018-12-09 01:42:42,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 01:42:42,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:42,407 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:42:42,408 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:42,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:42,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1190541314, now seen corresponding path program 1 times [2018-12-09 01:42:42,408 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:42,408 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:42,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:42,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:42,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:42,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:42:42,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 01:42:42,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:42:42,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:42:42,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:42:42,469 INFO L87 Difference]: Start difference. First operand 233 states and 266 transitions. Second operand 6 states. [2018-12-09 01:42:42,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:42,592 INFO L93 Difference]: Finished difference Result 625 states and 734 transitions. [2018-12-09 01:42:42,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 01:42:42,593 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 01:42:42,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:42,595 INFO L225 Difference]: With dead ends: 625 [2018-12-09 01:42:42,595 INFO L226 Difference]: Without dead ends: 420 [2018-12-09 01:42:42,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:42:42,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-12-09 01:42:42,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 414. [2018-12-09 01:42:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2018-12-09 01:42:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 472 transitions. [2018-12-09 01:42:42,635 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 472 transitions. Word has length 89 [2018-12-09 01:42:42,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:42,635 INFO L480 AbstractCegarLoop]: Abstraction has 414 states and 472 transitions. [2018-12-09 01:42:42,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:42:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 472 transitions. [2018-12-09 01:42:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 01:42:42,637 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:42,637 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:42:42,637 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:42,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:42,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1720134146, now seen corresponding path program 1 times [2018-12-09 01:42:42,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:42,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:42,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:42,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:42,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:42,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:42,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:42:42,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 01:42:42,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 01:42:42,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 01:42:42,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:42:42,718 INFO L87 Difference]: Start difference. First operand 414 states and 472 transitions. Second operand 7 states. [2018-12-09 01:42:43,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:43,039 INFO L93 Difference]: Finished difference Result 831 states and 972 transitions. [2018-12-09 01:42:43,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 01:42:43,039 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-09 01:42:43,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:43,042 INFO L225 Difference]: With dead ends: 831 [2018-12-09 01:42:43,042 INFO L226 Difference]: Without dead ends: 445 [2018-12-09 01:42:43,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 01:42:43,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-12-09 01:42:43,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 413. [2018-12-09 01:42:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-12-09 01:42:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 469 transitions. [2018-12-09 01:42:43,067 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 469 transitions. Word has length 93 [2018-12-09 01:42:43,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:43,067 INFO L480 AbstractCegarLoop]: Abstraction has 413 states and 469 transitions. [2018-12-09 01:42:43,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 01:42:43,067 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 469 transitions. [2018-12-09 01:42:43,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 01:42:43,068 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:43,068 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] [2018-12-09 01:42:43,069 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:43,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:43,069 INFO L82 PathProgramCache]: Analyzing trace with hash 32002960, now seen corresponding path program 1 times [2018-12-09 01:42:43,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:43,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:43,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:43,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:43,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:43,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:42:43,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 01:42:43,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:42:43,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:42:43,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:42:43,119 INFO L87 Difference]: Start difference. First operand 413 states and 469 transitions. Second operand 6 states. [2018-12-09 01:42:43,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:43,151 INFO L93 Difference]: Finished difference Result 808 states and 932 transitions. [2018-12-09 01:42:43,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 01:42:43,151 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-09 01:42:43,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:43,153 INFO L225 Difference]: With dead ends: 808 [2018-12-09 01:42:43,153 INFO L226 Difference]: Without dead ends: 423 [2018-12-09 01:42:43,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:42:43,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-12-09 01:42:43,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2018-12-09 01:42:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-12-09 01:42:43,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 479 transitions. [2018-12-09 01:42:43,173 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 479 transitions. Word has length 94 [2018-12-09 01:42:43,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:43,174 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 479 transitions. [2018-12-09 01:42:43,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:42:43,174 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 479 transitions. [2018-12-09 01:42:43,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 01:42:43,175 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:43,175 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] [2018-12-09 01:42:43,175 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:43,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:43,176 INFO L82 PathProgramCache]: Analyzing trace with hash -40383598, now seen corresponding path program 1 times [2018-12-09 01:42:43,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:43,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:43,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:43,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:43,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:42:43,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 01:42:43,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 01:42:43,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 01:42:43,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 01:42:43,237 INFO L87 Difference]: Start difference. First operand 423 states and 479 transitions. Second operand 8 states. [2018-12-09 01:42:43,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:43,262 INFO L93 Difference]: Finished difference Result 832 states and 968 transitions. [2018-12-09 01:42:43,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 01:42:43,263 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-09 01:42:43,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:43,264 INFO L225 Difference]: With dead ends: 832 [2018-12-09 01:42:43,264 INFO L226 Difference]: Without dead ends: 437 [2018-12-09 01:42:43,265 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 01:42:43,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-12-09 01:42:43,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2018-12-09 01:42:43,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-12-09 01:42:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 487 transitions. [2018-12-09 01:42:43,277 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 487 transitions. Word has length 94 [2018-12-09 01:42:43,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:43,277 INFO L480 AbstractCegarLoop]: Abstraction has 431 states and 487 transitions. [2018-12-09 01:42:43,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 01:42:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 487 transitions. [2018-12-09 01:42:43,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 01:42:43,278 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:43,278 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] [2018-12-09 01:42:43,278 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:43,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:43,278 INFO L82 PathProgramCache]: Analyzing trace with hash 289382163, now seen corresponding path program 1 times [2018-12-09 01:42:43,278 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:43,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:43,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:43,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:43,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:42:43,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 01:42:43,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 01:42:43,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 01:42:43,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:42:43,318 INFO L87 Difference]: Start difference. First operand 431 states and 487 transitions. Second operand 4 states. [2018-12-09 01:42:43,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:43,455 INFO L93 Difference]: Finished difference Result 1306 states and 1552 transitions. [2018-12-09 01:42:43,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 01:42:43,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-09 01:42:43,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:43,458 INFO L225 Difference]: With dead ends: 1306 [2018-12-09 01:42:43,458 INFO L226 Difference]: Without dead ends: 903 [2018-12-09 01:42:43,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:42:43,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-12-09 01:42:43,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 573. [2018-12-09 01:42:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2018-12-09 01:42:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 642 transitions. [2018-12-09 01:42:43,481 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 642 transitions. Word has length 94 [2018-12-09 01:42:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:43,482 INFO L480 AbstractCegarLoop]: Abstraction has 573 states and 642 transitions. [2018-12-09 01:42:43,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 01:42:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 642 transitions. [2018-12-09 01:42:43,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 01:42:43,483 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:43,483 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:42:43,483 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:43,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:43,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1031306131, now seen corresponding path program 1 times [2018-12-09 01:42:43,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:43,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:43,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:43,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:43,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:43,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:42:43,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:42:43,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:42:43,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:42:43,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:42:43,510 INFO L87 Difference]: Start difference. First operand 573 states and 642 transitions. Second operand 3 states. [2018-12-09 01:42:43,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:43,557 INFO L93 Difference]: Finished difference Result 898 states and 1022 transitions. [2018-12-09 01:42:43,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:42:43,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-12-09 01:42:43,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:43,561 INFO L225 Difference]: With dead ends: 898 [2018-12-09 01:42:43,561 INFO L226 Difference]: Without dead ends: 895 [2018-12-09 01:42:43,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:42:43,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-12-09 01:42:43,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 741. [2018-12-09 01:42:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-12-09 01:42:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 841 transitions. [2018-12-09 01:42:43,595 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 841 transitions. Word has length 98 [2018-12-09 01:42:43,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:43,596 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 841 transitions. [2018-12-09 01:42:43,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:42:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 841 transitions. [2018-12-09 01:42:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 01:42:43,598 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:43,598 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:42:43,598 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:43,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:43,599 INFO L82 PathProgramCache]: Analyzing trace with hash 2080725161, now seen corresponding path program 1 times [2018-12-09 01:42:43,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:43,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:43,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:43,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 01:42:43,664 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:42:43,664 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/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 [2018-12-09 01:42:43,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:43,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:42:43,830 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:42:43,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:42:43,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-09 01:42:43,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 01:42:43,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 01:42:43,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 01:42:43,848 INFO L87 Difference]: Start difference. First operand 741 states and 841 transitions. Second operand 8 states. [2018-12-09 01:42:43,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:43,948 INFO L93 Difference]: Finished difference Result 1249 states and 1428 transitions. [2018-12-09 01:42:43,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 01:42:43,949 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2018-12-09 01:42:43,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:43,951 INFO L225 Difference]: With dead ends: 1249 [2018-12-09 01:42:43,952 INFO L226 Difference]: Without dead ends: 674 [2018-12-09 01:42:43,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 01:42:43,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-12-09 01:42:43,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2018-12-09 01:42:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-12-09 01:42:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 755 transitions. [2018-12-09 01:42:43,978 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 755 transitions. Word has length 162 [2018-12-09 01:42:43,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:43,979 INFO L480 AbstractCegarLoop]: Abstraction has 674 states and 755 transitions. [2018-12-09 01:42:43,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 01:42:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 755 transitions. [2018-12-09 01:42:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 01:42:43,981 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:42:43,981 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:42:43,981 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:42:43,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:42:43,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1470059897, now seen corresponding path program 1 times [2018-12-09 01:42:43,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:42:43,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:42:43,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:43,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:42:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 01:42:44,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:42:44,086 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/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 [2018-12-09 01:42:44,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:42:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:42:44,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:42:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 01:42:44,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 01:42:44,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-09 01:42:44,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 01:42:44,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 01:42:44,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-09 01:42:44,299 INFO L87 Difference]: Start difference. First operand 674 states and 755 transitions. Second operand 19 states. [2018-12-09 01:42:44,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:42:44,841 INFO L93 Difference]: Finished difference Result 1220 states and 1378 transitions. [2018-12-09 01:42:44,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 01:42:44,841 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 175 [2018-12-09 01:42:44,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:42:44,842 INFO L225 Difference]: With dead ends: 1220 [2018-12-09 01:42:44,842 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:42:44,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-09 01:42:44,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:42:44,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:42:44,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:42:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:42:44,844 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2018-12-09 01:42:44,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:42:44,844 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:42:44,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 01:42:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:42:44,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:42:44,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 01:42:44,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:44,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 01:42:45,274 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2018-12-09 01:42:45,383 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2018-12-09 01:42:45,558 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2018-12-09 01:42:47,418 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2018-12-09 01:42:47,418 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2018-12-09 01:42:47,418 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2018-12-09 01:42:47,418 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2018-12-09 01:42:47,418 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2018-12-09 01:42:47,419 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:42:47,419 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:42:47,419 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:42:47,419 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:42:47,419 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-09 01:42:47,419 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-09 01:42:47,419 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:42:47,419 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:42:47,419 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-09 01:42:47,419 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-09 01:42:47,419 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 01:42:47,419 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2018-12-09 01:42:47,420 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2018-12-09 01:42:47,420 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2018-12-09 01:42:47,420 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2018-12-09 01:42:47,420 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 844) no Hoare annotation was computed. [2018-12-09 01:42:47,420 INFO L451 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2018-12-09 01:42:47,420 INFO L448 ceAbstractionStarter]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2018-12-09 01:42:47,420 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2018-12-09 01:42:47,420 INFO L448 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2018-12-09 01:42:47,420 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2018-12-09 01:42:47,420 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2018-12-09 01:42:47,420 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2018-12-09 01:42:47,420 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:42:47,420 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:42:47,420 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-09 01:42:47,420 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L451 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point L943(lines 943 949) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L444 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2) (or .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse1 .cse0) (or .cse4 .cse2)))) [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2018-12-09 01:42:47,421 INFO L444 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-12-09 01:42:47,421 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4 .cse2) (or .cse1 .cse2 .cse5) (or .cse2 .cse4 .cse3 .cse5)))) [2018-12-09 01:42:47,421 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2018-12-09 01:42:47,422 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse5) (or .cse4 .cse3 .cse2 .cse5)))) [2018-12-09 01:42:47,422 INFO L448 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2018-12-09 01:42:47,422 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2018-12-09 01:42:47,422 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2018-12-09 01:42:47,422 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2018-12-09 01:42:47,422 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:42:47,422 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-12-09 01:42:47,422 INFO L444 ceAbstractionStarter]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-12-09 01:42:47,422 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2018-12-09 01:42:47,422 INFO L448 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2018-12-09 01:42:47,422 INFO L444 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-12-09 01:42:47,422 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2018-12-09 01:42:47,422 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-09 01:42:47,422 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2018-12-09 01:42:47,422 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2018-12-09 01:42:47,422 INFO L444 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-09 01:42:47,423 INFO L444 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L444 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-09 01:42:47,423 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2018-12-09 01:42:47,423 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2018-12-09 01:42:47,424 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2018-12-09 01:42:47,425 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2018-12-09 01:42:47,425 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2018-12-09 01:42:47,425 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse5) (or .cse6 .cse4 .cse5)))) [2018-12-09 01:42:47,425 INFO L448 ceAbstractionStarter]: For program point L635(lines 634 653) no Hoare annotation was computed. [2018-12-09 01:42:47,425 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-12-09 01:42:47,425 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2018-12-09 01:42:47,425 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2018-12-09 01:42:47,425 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse4 .cse5 .cse2) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-12-09 01:42:47,425 INFO L444 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or .cse11 .cse2)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (and (= 1 ~waterLevel~0) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7) .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse5 .cse4 (and .cse6 .cse7 .cse10) .cse8) (or .cse11 .cse12 .cse2 .cse13 .cse8 .cse9) (or .cse0 .cse11 .cse2 .cse13 .cse8 .cse12)))) [2018-12-09 01:42:47,425 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 01:42:47,425 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 01:42:47,425 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 01:42:47,425 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 01:42:47,425 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 01:42:47,425 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 01:42:47,425 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 01:42:47,425 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 01:42:47,425 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 01:42:47,426 INFO L448 ceAbstractionStarter]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: true [2018-12-09 01:42:47,426 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 01:42:47,426 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-09 01:42:47,426 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:42:47,426 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-09 01:42:47,426 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-09 01:42:47,426 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L444 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-09 01:42:47,426 INFO L448 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-09 01:42:47,426 INFO L448 ceAbstractionStarter]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2018-12-09 01:42:47,426 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-09 01:42:47,427 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-12-09 01:42:47,427 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse4 (not (= |old(~systemActive~0)| 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse1) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse4 .cse5 .cse1)))) [2018-12-09 01:42:47,427 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-12-09 01:42:47,427 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2018-12-09 01:42:47,427 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2018-12-09 01:42:47,427 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-12-09 01:42:47,427 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2018-12-09 01:42:47,427 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2018-12-09 01:42:47,427 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-12-09 01:42:47,427 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2018-12-09 01:42:47,427 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-09 01:42:47,427 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2018-12-09 01:42:47,428 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-09 01:42:47,428 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-09 01:42:47,428 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2018-12-09 01:42:47,428 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-09 01:42:47,428 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-12-09 01:42:47,428 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2018-12-09 01:42:47,428 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-09 01:42:47,428 INFO L448 ceAbstractionStarter]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2018-12-09 01:42:47,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:42:47 BoogieIcfgContainer [2018-12-09 01:42:47,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:42:47,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:42:47,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:42:47,438 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:42:47,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:42:41" (3/4) ... [2018-12-09 01:42:47,441 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:42:47,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 01:42:47,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 01:42:47,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 01:42:47,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 01:42:47,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 01:42:47,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 01:42:47,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 01:42:47,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 01:42:47,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 01:42:47,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 01:42:47,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 01:42:47,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 01:42:47,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 01:42:47,454 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 01:42:47,455 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 01:42:47,455 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 01:42:47,455 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 01:42:47,455 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 01:42:47,456 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 01:42:47,474 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-12-09 01:42:47,474 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 01:42:47,505 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_97f5ab32-1bf4-4414-b823-9bac6506cdcd/bin-2019/uautomizer/witness.graphml [2018-12-09 01:42:47,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:42:47,506 INFO L168 Benchmark]: Toolchain (without parser) took 6847.30 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 378.0 MB). Free memory was 951.7 MB in the beginning and 1.0 GB in the end (delta: -48.5 MB). Peak memory consumption was 329.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:42:47,507 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. [2018-12-09 01:42:47,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:42:47,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:42:47,507 INFO L168 Benchmark]: Boogie Preprocessor took 23.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:42:47,507 INFO L168 Benchmark]: RCFGBuilder took 316.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:42:47,508 INFO L168 Benchmark]: TraceAbstraction took 6115.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.8 MB). Peak memory consumption was 427.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:42:47,508 INFO L168 Benchmark]: Witness Printer took 67.84 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:42:47,509 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 298.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 316.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6115.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.8 MB). Peak memory consumption was 427.2 MB. Max. memory is 11.5 GB. * Witness Printer took 67.84 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 165 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2308 SDtfs, 1547 SDslu, 6556 SDs, 0 SdLazy, 2182 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 475 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=741occurred 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, 547 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1683 PreInvPairs, 1742 NumberOfFragments, 2800 HoareAnnotationTreeSize, 1683 FomulaSimplifications, 6285 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 8972 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1471 NumberOfCodeBlocks, 1471 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1457 ConstructedInterpolants, 0 QuantifiedInterpolants, 296042 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1875 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 202/212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...