./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37_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_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/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 3f8c4eddf293b722c8b0f77d2921f647762d8744 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 10:03:09,219 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 10:03:09,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 10:03:09,227 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 10:03:09,227 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 10:03:09,228 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 10:03:09,229 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 10:03:09,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 10:03:09,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 10:03:09,231 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 10:03:09,232 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 10:03:09,232 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 10:03:09,233 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 10:03:09,233 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 10:03:09,234 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 10:03:09,235 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 10:03:09,235 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 10:03:09,236 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 10:03:09,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 10:03:09,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 10:03:09,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 10:03:09,239 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 10:03:09,240 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 10:03:09,241 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 10:03:09,241 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 10:03:09,241 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 10:03:09,242 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 10:03:09,242 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 10:03:09,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 10:03:09,243 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 10:03:09,243 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 10:03:09,244 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 10:03:09,244 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 10:03:09,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 10:03:09,244 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 10:03:09,245 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 10:03:09,245 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 10:03:09,254 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 10:03:09,254 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 10:03:09,255 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 10:03:09,255 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 10:03:09,255 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 10:03:09,255 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 10:03:09,255 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 10:03:09,256 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 10:03:09,256 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 10:03:09,256 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 10:03:09,256 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 10:03:09,256 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 10:03:09,256 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 10:03:09,256 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 10:03:09,257 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 10:03:09,257 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 10:03:09,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 10:03:09,257 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 10:03:09,257 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 10:03:09,257 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 10:03:09,257 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 10:03:09,258 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 10:03:09,258 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 10:03:09,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 10:03:09,258 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 10:03:09,258 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 10:03:09,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 10:03:09,258 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 10:03:09,259 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 10:03:09,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 10:03:09,259 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_04817113-3662-419b-874d-1de6ea3871f1/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 -> 3f8c4eddf293b722c8b0f77d2921f647762d8744 [2018-12-01 10:03:09,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 10:03:09,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 10:03:09,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 10:03:09,291 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 10:03:09,291 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 10:03:09,292 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-01 10:03:09,329 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/data/a4380d10d/01524b48b70b49dd8b252d662702d80d/FLAG9459414f6 [2018-12-01 10:03:09,691 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 10:03:09,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-01 10:03:09,698 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/data/a4380d10d/01524b48b70b49dd8b252d662702d80d/FLAG9459414f6 [2018-12-01 10:03:09,706 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/data/a4380d10d/01524b48b70b49dd8b252d662702d80d [2018-12-01 10:03:09,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 10:03:09,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 10:03:09,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 10:03:09,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 10:03:09,712 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 10:03:09,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:03:09" (1/1) ... [2018-12-01 10:03:09,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cd0825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:09, skipping insertion in model container [2018-12-01 10:03:09,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:03:09" (1/1) ... [2018-12-01 10:03:09,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 10:03:09,742 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 10:03:09,916 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 10:03:09,959 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 10:03:10,010 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 10:03:10,032 INFO L195 MainTranslator]: Completed translation [2018-12-01 10:03:10,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10 WrapperNode [2018-12-01 10:03:10,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 10:03:10,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 10:03:10,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 10:03:10,033 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 10:03:10,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (1/1) ... [2018-12-01 10:03:10,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (1/1) ... [2018-12-01 10:03:10,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 10:03:10,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 10:03:10,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 10:03:10,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 10:03:10,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (1/1) ... [2018-12-01 10:03:10,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (1/1) ... [2018-12-01 10:03:10,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (1/1) ... [2018-12-01 10:03:10,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (1/1) ... [2018-12-01 10:03:10,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (1/1) ... [2018-12-01 10:03:10,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (1/1) ... [2018-12-01 10:03:10,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (1/1) ... [2018-12-01 10:03:10,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 10:03:10,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 10:03:10,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 10:03:10,090 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 10:03:10,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/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 [2018-12-01 10:03:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 10:03:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 10:03:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 10:03:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 10:03:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 10:03:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 10:03:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 10:03:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 10:03:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 10:03:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 10:03:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 10:03:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 10:03:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 10:03:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 10:03:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 10:03:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-01 10:03:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-01 10:03:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-01 10:03:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-01 10:03:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 10:03:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 10:03:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 10:03:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 10:03:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 10:03:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 10:03:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 10:03:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 10:03:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 10:03:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 10:03:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 10:03:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 10:03:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 10:03:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 10:03:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 10:03:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 10:03:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 10:03:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 10:03:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 10:03:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 10:03:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 10:03:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 10:03:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 10:03:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 10:03:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 10:03:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 10:03:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 10:03:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 10:03:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 10:03:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 10:03:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 10:03:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 10:03:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 10:03:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 10:03:10,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 10:03:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 10:03:10,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 10:03:10,437 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 10:03:10,437 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 10:03:10,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:03:10 BoogieIcfgContainer [2018-12-01 10:03:10,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 10:03:10,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 10:03:10,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 10:03:10,441 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 10:03:10,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:03:09" (1/3) ... [2018-12-01 10:03:10,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2658e8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:03:10, skipping insertion in model container [2018-12-01 10:03:10,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:03:10" (2/3) ... [2018-12-01 10:03:10,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2658e8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:03:10, skipping insertion in model container [2018-12-01 10:03:10,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:03:10" (3/3) ... [2018-12-01 10:03:10,444 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-01 10:03:10,451 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 10:03:10,457 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 10:03:10,466 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 10:03:10,484 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 10:03:10,484 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 10:03:10,484 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 10:03:10,484 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 10:03:10,484 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 10:03:10,484 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 10:03:10,484 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 10:03:10,484 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 10:03:10,484 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 10:03:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-12-01 10:03:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 10:03:10,501 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:10,502 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] [2018-12-01 10:03:10,503 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:10,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:10,507 INFO L82 PathProgramCache]: Analyzing trace with hash -47045203, now seen corresponding path program 1 times [2018-12-01 10:03:10,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:10,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:10,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:10,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:10,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:10,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:03:10,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 10:03:10,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 10:03:10,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 10:03:10,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 10:03:10,655 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-12-01 10:03:10,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:10,677 INFO L93 Difference]: Finished difference Result 252 states and 315 transitions. [2018-12-01 10:03:10,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 10:03:10,678 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-01 10:03:10,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:10,684 INFO L225 Difference]: With dead ends: 252 [2018-12-01 10:03:10,685 INFO L226 Difference]: Without dead ends: 128 [2018-12-01 10:03:10,687 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 [2018-12-01 10:03:10,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-12-01 10:03:10,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-12-01 10:03:10,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-01 10:03:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2018-12-01 10:03:10,717 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2018-12-01 10:03:10,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:10,717 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2018-12-01 10:03:10,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 10:03:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2018-12-01 10:03:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 10:03:10,719 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:10,719 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] [2018-12-01 10:03:10,719 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:10,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:10,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1778182562, now seen corresponding path program 1 times [2018-12-01 10:03:10,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:10,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:10,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:10,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:10,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:10,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:03:10,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 10:03:10,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 10:03:10,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 10:03:10,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 10:03:10,770 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2018-12-01 10:03:10,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:10,786 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2018-12-01 10:03:10,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 10:03:10,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-01 10:03:10,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:10,788 INFO L225 Difference]: With dead ends: 201 [2018-12-01 10:03:10,788 INFO L226 Difference]: Without dead ends: 119 [2018-12-01 10:03:10,789 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 [2018-12-01 10:03:10,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-01 10:03:10,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-01 10:03:10,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-01 10:03:10,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-12-01 10:03:10,799 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2018-12-01 10:03:10,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:10,799 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-12-01 10:03:10,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 10:03:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-12-01 10:03:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 10:03:10,801 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:10,801 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:03:10,801 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:10,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:10,802 INFO L82 PathProgramCache]: Analyzing trace with hash -236607735, now seen corresponding path program 1 times [2018-12-01 10:03:10,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:10,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:10,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:10,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:10,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:10,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:03:10,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 10:03:10,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 10:03:10,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 10:03:10,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 10:03:10,883 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2018-12-01 10:03:11,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:11,061 INFO L93 Difference]: Finished difference Result 210 states and 251 transitions. [2018-12-01 10:03:11,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 10:03:11,061 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-01 10:03:11,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:11,062 INFO L225 Difference]: With dead ends: 210 [2018-12-01 10:03:11,062 INFO L226 Difference]: Without dead ends: 119 [2018-12-01 10:03:11,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 10:03:11,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-01 10:03:11,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-01 10:03:11,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-01 10:03:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2018-12-01 10:03:11,070 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2018-12-01 10:03:11,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:11,070 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2018-12-01 10:03:11,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 10:03:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2018-12-01 10:03:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 10:03:11,072 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:11,072 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] [2018-12-01 10:03:11,073 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:11,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:11,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1269437359, now seen corresponding path program 1 times [2018-12-01 10:03:11,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:11,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:11,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:11,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:11,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:11,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:03:11,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 10:03:11,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 10:03:11,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 10:03:11,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 10:03:11,157 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2018-12-01 10:03:11,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:11,451 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2018-12-01 10:03:11,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 10:03:11,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-01 10:03:11,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:11,454 INFO L225 Difference]: With dead ends: 306 [2018-12-01 10:03:11,454 INFO L226 Difference]: Without dead ends: 215 [2018-12-01 10:03:11,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 10:03:11,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-12-01 10:03:11,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 197. [2018-12-01 10:03:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-12-01 10:03:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2018-12-01 10:03:11,476 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2018-12-01 10:03:11,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:11,476 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2018-12-01 10:03:11,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 10:03:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2018-12-01 10:03:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 10:03:11,478 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:11,478 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] [2018-12-01 10:03:11,479 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:11,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:11,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1348279355, now seen corresponding path program 1 times [2018-12-01 10:03:11,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:11,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:11,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:11,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:11,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:11,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:03:11,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 10:03:11,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 10:03:11,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 10:03:11,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 10:03:11,545 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 8 states. [2018-12-01 10:03:11,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:11,591 INFO L93 Difference]: Finished difference Result 373 states and 443 transitions. [2018-12-01 10:03:11,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 10:03:11,592 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-12-01 10:03:11,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:11,594 INFO L225 Difference]: With dead ends: 373 [2018-12-01 10:03:11,594 INFO L226 Difference]: Without dead ends: 204 [2018-12-01 10:03:11,595 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 [2018-12-01 10:03:11,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-12-01 10:03:11,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 201. [2018-12-01 10:03:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-12-01 10:03:11,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 231 transitions. [2018-12-01 10:03:11,613 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 231 transitions. Word has length 83 [2018-12-01 10:03:11,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:11,613 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 231 transitions. [2018-12-01 10:03:11,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 10:03:11,614 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 231 transitions. [2018-12-01 10:03:11,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 10:03:11,615 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:11,615 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] [2018-12-01 10:03:11,615 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:11,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:11,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1370911609, now seen corresponding path program 1 times [2018-12-01 10:03:11,616 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:11,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:11,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:11,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:11,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:11,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:03:11,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 10:03:11,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 10:03:11,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 10:03:11,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 10:03:11,686 INFO L87 Difference]: Start difference. First operand 201 states and 231 transitions. Second operand 6 states. [2018-12-01 10:03:11,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:11,809 INFO L93 Difference]: Finished difference Result 529 states and 629 transitions. [2018-12-01 10:03:11,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 10:03:11,809 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-01 10:03:11,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:11,811 INFO L225 Difference]: With dead ends: 529 [2018-12-01 10:03:11,811 INFO L226 Difference]: Without dead ends: 356 [2018-12-01 10:03:11,811 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 [2018-12-01 10:03:11,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-12-01 10:03:11,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 350. [2018-12-01 10:03:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-12-01 10:03:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 402 transitions. [2018-12-01 10:03:11,825 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 402 transitions. Word has length 83 [2018-12-01 10:03:11,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:11,825 INFO L480 AbstractCegarLoop]: Abstraction has 350 states and 402 transitions. [2018-12-01 10:03:11,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 10:03:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 402 transitions. [2018-12-01 10:03:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 10:03:11,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:11,826 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] [2018-12-01 10:03:11,826 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:11,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:11,827 INFO L82 PathProgramCache]: Analyzing trace with hash -21266901, now seen corresponding path program 1 times [2018-12-01 10:03:11,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:11,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:11,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:11,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:11,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:11,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:11,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:03:11,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 10:03:11,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 10:03:11,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 10:03:11,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 10:03:11,882 INFO L87 Difference]: Start difference. First operand 350 states and 402 transitions. Second operand 7 states. [2018-12-01 10:03:12,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:12,206 INFO L93 Difference]: Finished difference Result 701 states and 828 transitions. [2018-12-01 10:03:12,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 10:03:12,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-01 10:03:12,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:12,208 INFO L225 Difference]: With dead ends: 701 [2018-12-01 10:03:12,208 INFO L226 Difference]: Without dead ends: 379 [2018-12-01 10:03:12,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-01 10:03:12,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-12-01 10:03:12,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 349. [2018-12-01 10:03:12,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-12-01 10:03:12,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 399 transitions. [2018-12-01 10:03:12,221 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 399 transitions. Word has length 87 [2018-12-01 10:03:12,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:12,221 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 399 transitions. [2018-12-01 10:03:12,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 10:03:12,222 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 399 transitions. [2018-12-01 10:03:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 10:03:12,222 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:12,223 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:03:12,223 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:12,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:12,223 INFO L82 PathProgramCache]: Analyzing trace with hash -345672316, now seen corresponding path program 1 times [2018-12-01 10:03:12,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:12,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:12,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:12,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:12,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:12,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:03:12,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 10:03:12,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 10:03:12,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 10:03:12,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 10:03:12,255 INFO L87 Difference]: Start difference. First operand 349 states and 399 transitions. Second operand 6 states. [2018-12-01 10:03:12,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:12,283 INFO L93 Difference]: Finished difference Result 680 states and 790 transitions. [2018-12-01 10:03:12,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 10:03:12,284 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-01 10:03:12,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:12,285 INFO L225 Difference]: With dead ends: 680 [2018-12-01 10:03:12,285 INFO L226 Difference]: Without dead ends: 359 [2018-12-01 10:03:12,286 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 [2018-12-01 10:03:12,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-12-01 10:03:12,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-12-01 10:03:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-12-01 10:03:12,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2018-12-01 10:03:12,300 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2018-12-01 10:03:12,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:12,300 INFO L480 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2018-12-01 10:03:12,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 10:03:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2018-12-01 10:03:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 10:03:12,301 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:12,301 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:03:12,302 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:12,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:12,302 INFO L82 PathProgramCache]: Analyzing trace with hash 2081408455, now seen corresponding path program 1 times [2018-12-01 10:03:12,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:12,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:12,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:12,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:12,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:12,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:03:12,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 10:03:12,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 10:03:12,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 10:03:12,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 10:03:12,354 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 4 states. [2018-12-01 10:03:12,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:12,480 INFO L93 Difference]: Finished difference Result 1076 states and 1296 transitions. [2018-12-01 10:03:12,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 10:03:12,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-01 10:03:12,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:12,484 INFO L225 Difference]: With dead ends: 1076 [2018-12-01 10:03:12,484 INFO L226 Difference]: Without dead ends: 745 [2018-12-01 10:03:12,485 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 [2018-12-01 10:03:12,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-12-01 10:03:12,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 483. [2018-12-01 10:03:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-12-01 10:03:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 546 transitions. [2018-12-01 10:03:12,508 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 546 transitions. Word has length 88 [2018-12-01 10:03:12,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:12,508 INFO L480 AbstractCegarLoop]: Abstraction has 483 states and 546 transitions. [2018-12-01 10:03:12,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 10:03:12,509 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 546 transitions. [2018-12-01 10:03:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 10:03:12,510 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:12,510 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:03:12,510 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:12,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:12,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1819438657, now seen corresponding path program 1 times [2018-12-01 10:03:12,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:12,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:12,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:12,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:12,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:12,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:03:12,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 10:03:12,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 10:03:12,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 10:03:12,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 10:03:12,537 INFO L87 Difference]: Start difference. First operand 483 states and 546 transitions. Second operand 3 states. [2018-12-01 10:03:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:12,572 INFO L93 Difference]: Finished difference Result 744 states and 856 transitions. [2018-12-01 10:03:12,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 10:03:12,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-12-01 10:03:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:12,575 INFO L225 Difference]: With dead ends: 744 [2018-12-01 10:03:12,575 INFO L226 Difference]: Without dead ends: 741 [2018-12-01 10:03:12,576 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 [2018-12-01 10:03:12,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-12-01 10:03:12,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 619. [2018-12-01 10:03:12,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-12-01 10:03:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 710 transitions. [2018-12-01 10:03:12,610 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 710 transitions. Word has length 92 [2018-12-01 10:03:12,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:12,610 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 710 transitions. [2018-12-01 10:03:12,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 10:03:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 710 transitions. [2018-12-01 10:03:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 10:03:12,613 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:12,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:03:12,613 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:12,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:12,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1243590183, now seen corresponding path program 1 times [2018-12-01 10:03:12,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:12,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:12,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:12,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:12,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 10:03:12,724 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 10:03:12,724 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/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 [2018-12-01 10:03:12,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:12,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 10:03:13,007 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 10:03:13,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 10:03:13,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-01 10:03:13,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-01 10:03:13,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-01 10:03:13,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-01 10:03:13,025 INFO L87 Difference]: Start difference. First operand 619 states and 710 transitions. Second operand 19 states. [2018-12-01 10:03:13,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:13,641 INFO L93 Difference]: Finished difference Result 1147 states and 1326 transitions. [2018-12-01 10:03:13,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-01 10:03:13,642 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 150 [2018-12-01 10:03:13,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:13,643 INFO L225 Difference]: With dead ends: 1147 [2018-12-01 10:03:13,643 INFO L226 Difference]: Without dead ends: 556 [2018-12-01 10:03:13,644 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-01 10:03:13,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-12-01 10:03:13,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 527. [2018-12-01 10:03:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-12-01 10:03:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 595 transitions. [2018-12-01 10:03:13,662 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 595 transitions. Word has length 150 [2018-12-01 10:03:13,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:13,662 INFO L480 AbstractCegarLoop]: Abstraction has 527 states and 595 transitions. [2018-12-01 10:03:13,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-01 10:03:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 595 transitions. [2018-12-01 10:03:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 10:03:13,663 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:03:13,664 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:03:13,664 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:03:13,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:03:13,664 INFO L82 PathProgramCache]: Analyzing trace with hash -294954383, now seen corresponding path program 1 times [2018-12-01 10:03:13,664 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:03:13,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:03:13,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:13,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:13,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:03:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 10:03:13,708 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 10:03:13,708 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/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 [2018-12-01 10:03:13,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:03:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:03:13,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 10:03:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:03:13,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 10:03:13,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-01 10:03:13,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 10:03:13,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 10:03:13,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-01 10:03:13,824 INFO L87 Difference]: Start difference. First operand 527 states and 595 transitions. Second operand 8 states. [2018-12-01 10:03:13,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:03:13,894 INFO L93 Difference]: Finished difference Result 843 states and 961 transitions. [2018-12-01 10:03:13,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 10:03:13,894 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-12-01 10:03:13,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:03:13,895 INFO L225 Difference]: With dead ends: 843 [2018-12-01 10:03:13,895 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 10:03:13,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-01 10:03:13,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 10:03:13,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 10:03:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 10:03:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 10:03:13,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-12-01 10:03:13,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:03:13,897 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 10:03:13,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 10:03:13,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 10:03:13,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 10:03:13,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 10:03:13,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:13,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:03:14,322 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2018-12-01 10:03:14,617 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2018-12-01 10:03:15,509 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2018-12-01 10:03:16,221 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2018-12-01 10:03:16,221 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2018-12-01 10:03:16,222 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2018-12-01 10:03:16,222 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2018-12-01 10:03:16,222 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2018-12-01 10:03:16,222 INFO L444 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:03:16,222 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:03:16,222 INFO L444 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:03:16,222 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2018-12-01 10:03:16,222 INFO L448 ceAbstractionStarter]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2018-12-01 10:03:16,222 INFO L448 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2018-12-01 10:03:16,222 INFO L444 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:03:16,223 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2018-12-01 10:03:16,223 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:03:16,223 INFO L444 ceAbstractionStarter]: At program point L888-1(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:03:16,223 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2018-12-01 10:03:16,223 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2018-12-01 10:03:16,223 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2018-12-01 10:03:16,223 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2018-12-01 10:03:16,223 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2018-12-01 10:03:16,223 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2018-12-01 10:03:16,223 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 868 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:03:16,223 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2018-12-01 10:03:16,224 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:03:16,224 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2018-12-01 10:03:16,224 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2018-12-01 10:03:16,224 INFO L451 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-12-01 10:03:16,224 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-12-01 10:03:16,224 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2018-12-01 10:03:16,224 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2018-12-01 10:03:16,224 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (or (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1))) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-01 10:03:16,224 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2018-12-01 10:03:16,224 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2018-12-01 10:03:16,224 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2018-12-01 10:03:16,224 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-12-01 10:03:16,224 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2018-12-01 10:03:16,225 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2018-12-01 10:03:16,225 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2018-12-01 10:03:16,225 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 (and (= processEnvironment_~tmp~1 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse4) (or (or .cse0 .cse3) .cse2) (or .cse1 .cse4)))) [2018-12-01 10:03:16,225 INFO L444 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (and (= processEnvironment_~tmp~1 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse2) .cse3) (or .cse1 .cse4) (or .cse3 .cse2 .cse4)))) [2018-12-01 10:03:16,225 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-12-01 10:03:16,225 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2018-12-01 10:03:16,225 INFO L444 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or (or .cse0 .cse5) .cse4 .cse3)))) [2018-12-01 10:03:16,225 INFO L448 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-12-01 10:03:16,225 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or (or .cse0 .cse5) .cse4 .cse2)))) [2018-12-01 10:03:16,226 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-12-01 10:03:16,226 INFO L444 ceAbstractionStarter]: At program point L130(line 130) 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 (or .cse0 .cse3) .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-12-01 10:03:16,226 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2018-12-01 10:03:16,226 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2018-12-01 10:03:16,226 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:03:16,226 INFO L444 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:03:16,226 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2018-12-01 10:03:16,226 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-12-01 10:03:16,226 INFO L444 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse3 .cse2 .cse5) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2))) [2018-12-01 10:03:16,226 INFO L448 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2018-12-01 10:03:16,226 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2018-12-01 10:03:16,226 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-12-01 10:03:16,226 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-12-01 10:03:16,226 INFO L448 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2018-12-01 10:03:16,226 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-12-01 10:03:16,226 INFO L444 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-12-01 10:03:16,227 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-12-01 10:03:16,227 INFO L448 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2018-12-01 10:03:16,227 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2018-12-01 10:03:16,227 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2018-12-01 10:03:16,227 INFO L444 ceAbstractionStarter]: At program point L321(line 321) 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)))))) [2018-12-01 10:03:16,227 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2018-12-01 10:03:16,227 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2018-12-01 10:03:16,227 INFO L444 ceAbstractionStarter]: At program point L316(line 316) 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))) [2018-12-01 10:03:16,227 INFO L448 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-12-01 10:03:16,227 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2018-12-01 10:03:16,227 INFO L448 ceAbstractionStarter]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L444 ceAbstractionStarter]: At program point L312(line 312) 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)))) [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) 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)))) [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 298 305) 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))) [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 136 143) 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))))) [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L451 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2018-12-01 10:03:16,228 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-12-01 10:03:16,229 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2018-12-01 10:03:16,229 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2018-12-01 10:03:16,229 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2018-12-01 10:03:16,229 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 363 374) 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 (or .cse0 .cse6) .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-12-01 10:03:16,229 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2018-12-01 10:03:16,229 INFO L451 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-12-01 10:03:16,229 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-12-01 10:03:16,229 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-12-01 10:03:16,229 INFO L448 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-12-01 10:03:16,229 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-01 10:03:16,229 INFO L451 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-12-01 10:03:16,229 INFO L448 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-12-01 10:03:16,229 INFO L451 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2018-12-01 10:03:16,229 INFO L451 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-12-01 10:03:16,229 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-12-01 10:03:16,229 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2018-12-01 10:03:16,229 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2018-12-01 10:03:16,229 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2018-12-01 10:03:16,230 INFO L444 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (or .cse10 .cse1)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (and (= 1 ~waterLevel~0) .cse9))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse3 (and .cse6 .cse7) .cse8 .cse4) (or .cse0 .cse3 .cse5 (and .cse6 .cse7 .cse9) .cse8) (or .cse10 .cse11 .cse1 .cse12 .cse8 .cse4) (or .cse0 .cse10 .cse1 .cse12 .cse8 .cse11)))) [2018-12-01 10:03:16,230 INFO L444 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~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 .cse4 .cse5)))) [2018-12-01 10:03:16,230 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-12-01 10:03:16,230 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) 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)))) [2018-12-01 10:03:16,230 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-12-01 10:03:16,230 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-12-01 10:03:16,230 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~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 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-12-01 10:03:16,230 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: true [2018-12-01 10:03:16,230 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2018-12-01 10:03:16,230 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2018-12-01 10:03:16,230 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-12-01 10:03:16,230 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-12-01 10:03:16,230 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 10:03:16,230 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)) [2018-12-01 10:03:16,230 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 10:03:16,230 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 10:03:16,231 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) 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)))) [2018-12-01 10:03:16,231 INFO L444 ceAbstractionStarter]: At program point L95(line 95) 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)))) [2018-12-01 10:03:16,231 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-12-01 10:03:16,231 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2018-12-01 10:03:16,231 INFO L444 ceAbstractionStarter]: At program point L91(line 91) 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)))) [2018-12-01 10:03:16,231 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-12-01 10:03:16,231 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-12-01 10:03:16,231 INFO L444 ceAbstractionStarter]: At program point L104(line 104) 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)))) [2018-12-01 10:03:16,231 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-12-01 10:03:16,231 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0)) .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 .cse1 .cse3)))) [2018-12-01 10:03:16,231 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2018-12-01 10:03:16,231 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 351 362) 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))) [2018-12-01 10:03:16,231 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2018-12-01 10:03:16,231 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2018-12-01 10:03:16,231 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2018-12-01 10:03:16,231 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2018-12-01 10:03:16,231 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2018-12-01 10:03:16,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:03:16 BoogieIcfgContainer [2018-12-01 10:03:16,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 10:03:16,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 10:03:16,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 10:03:16,242 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 10:03:16,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:03:10" (3/4) ... [2018-12-01 10:03:16,245 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 10:03:16,250 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 10:03:16,250 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-01 10:03:16,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 10:03:16,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 10:03:16,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 10:03:16,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 10:03:16,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 10:03:16,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 10:03:16,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 10:03:16,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 10:03:16,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 10:03:16,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 10:03:16,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 10:03:16,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 10:03:16,258 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-01 10:03:16,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 10:03:16,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 10:03:16,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 10:03:16,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 10:03:16,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 10:03:16,277 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-12-01 10:03:16,277 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 10:03:16,308 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_04817113-3662-419b-874d-1de6ea3871f1/bin-2019/uautomizer/witness.graphml [2018-12-01 10:03:16,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 10:03:16,308 INFO L168 Benchmark]: Toolchain (without parser) took 6600.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 400.0 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -277.6 MB). Peak memory consumption was 122.4 MB. Max. memory is 11.5 GB. [2018-12-01 10:03:16,309 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 10:03:16,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-01 10:03:16,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.49 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. [2018-12-01 10:03:16,309 INFO L168 Benchmark]: Boogie Preprocessor took 29.08 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. [2018-12-01 10:03:16,309 INFO L168 Benchmark]: RCFGBuilder took 348.09 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: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2018-12-01 10:03:16,309 INFO L168 Benchmark]: TraceAbstraction took 5802.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -150.2 MB). Peak memory consumption was 425.9 MB. Max. memory is 11.5 GB. [2018-12-01 10:03:16,309 INFO L168 Benchmark]: Witness Printer took 66.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-12-01 10:03:16,311 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.49 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. * Boogie Preprocessor took 29.08 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 348.09 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: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5802.92 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 240.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -150.2 MB). Peak memory consumption was 425.9 MB. Max. memory is 11.5 GB. * Witness Printer took 66.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 141 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1909 SDtfs, 1244 SDslu, 5864 SDs, 0 SdLazy, 2092 SolverSat, 304 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 431 GetRequests, 345 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred 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: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 470 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1246 PreInvPairs, 1296 NumberOfFragments, 2261 HoareAnnotationTreeSize, 1246 FomulaSimplifications, 5222 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 7259 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1349 NumberOfCodeBlocks, 1349 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1335 ConstructedInterpolants, 0 QuantifiedInterpolants, 244167 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1754 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 182/190 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...