./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_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_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/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 4366671714130af280ec4232c34176d9c997fd05 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:25:12,452 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:25:12,453 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:25:12,459 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:25:12,459 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:25:12,459 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:25:12,460 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:25:12,461 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:25:12,462 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:25:12,462 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:25:12,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:25:12,462 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:25:12,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:25:12,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:25:12,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:25:12,464 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:25:12,465 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:25:12,465 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:25:12,466 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:25:12,467 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:25:12,468 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:25:12,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:25:12,470 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:25:12,470 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:25:12,470 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:25:12,471 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:25:12,471 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:25:12,472 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:25:12,472 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:25:12,472 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:25:12,473 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:25:12,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:25:12,473 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:25:12,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:25:12,474 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:25:12,474 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:25:12,474 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 11:25:12,481 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:25:12,481 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:25:12,481 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:25:12,481 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:25:12,482 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:25:12,482 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:25:12,482 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 11:25:12,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:25:12,482 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:25:12,482 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:25:12,482 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:25:12,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:25:12,482 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:25:12,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:25:12,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:25:12,483 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:25:12,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:25:12,483 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:25:12,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:25:12,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:25:12,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:25:12,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:25:12,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:25:12,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:25:12,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:25:12,483 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:25:12,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:25:12,484 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 11:25:12,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:25:12,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:25:12,484 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_38afec82-dbd3-4c6f-828a-cc424c9ab717/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 -> 4366671714130af280ec4232c34176d9c997fd05 [2018-12-09 11:25:12,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:25:12,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:25:12,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:25:12,516 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:25:12,516 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:25:12,517 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-12-09 11:25:12,557 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/data/87eabbb6d/688851da85a946aa9ca049ac6687c746/FLAG5fe4dce69 [2018-12-09 11:25:12,999 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:25:13,000 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-12-09 11:25:13,006 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/data/87eabbb6d/688851da85a946aa9ca049ac6687c746/FLAG5fe4dce69 [2018-12-09 11:25:13,014 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/data/87eabbb6d/688851da85a946aa9ca049ac6687c746 [2018-12-09 11:25:13,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:25:13,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:25:13,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:25:13,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:25:13,020 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:25:13,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13, skipping insertion in model container [2018-12-09 11:25:13,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:25:13,047 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:25:13,191 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:25:13,230 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:25:13,272 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:25:13,287 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:25:13,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13 WrapperNode [2018-12-09 11:25:13,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:25:13,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:25:13,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:25:13,288 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:25:13,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:25:13,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:25:13,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:25:13,307 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:25:13,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (1/1) ... [2018-12-09 11:25:13,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:25:13,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:25:13,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:25:13,328 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:25:13,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:25:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 11:25:13,359 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 11:25:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:25:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:25:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:25:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 11:25:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 11:25:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 11:25:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 11:25:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 11:25:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 11:25:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 11:25:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 11:25:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 11:25:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 11:25:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 11:25:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 11:25:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 11:25:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 11:25:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 11:25:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 11:25:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 11:25:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 11:25:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 11:25:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 11:25:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 11:25:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 11:25:13,361 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 11:25:13,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 11:25:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 11:25:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 11:25:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 11:25:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 11:25:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 11:25:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 11:25:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 11:25:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 11:25:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 11:25:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 11:25:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 11:25:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 11:25:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 11:25:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 11:25:13,362 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 11:25:13,362 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 11:25:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 11:25:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 11:25:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 11:25:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 11:25:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 11:25:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 11:25:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:25:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:25:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:25:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 11:25:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 11:25:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 11:25:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 11:25:13,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:25:13,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:25:13,671 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:25:13,671 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 11:25:13,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:25:13 BoogieIcfgContainer [2018-12-09 11:25:13,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:25:13,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:25:13,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:25:13,674 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:25:13,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:25:13" (1/3) ... [2018-12-09 11:25:13,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b5755c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:25:13, skipping insertion in model container [2018-12-09 11:25:13,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:25:13" (2/3) ... [2018-12-09 11:25:13,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b5755c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:25:13, skipping insertion in model container [2018-12-09 11:25:13,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:25:13" (3/3) ... [2018-12-09 11:25:13,677 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-12-09 11:25:13,684 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:25:13,690 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:25:13,700 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:25:13,718 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:25:13,718 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:25:13,719 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:25:13,719 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:25:13,719 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:25:13,719 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:25:13,719 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:25:13,719 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:25:13,719 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:25:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-12-09 11:25:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 11:25:13,735 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:13,736 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:25:13,737 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:13,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:13,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1399684828, now seen corresponding path program 1 times [2018-12-09 11:25:13,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:13,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:13,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:13,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:13,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:25:13,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:25:13,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 11:25:13,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 11:25:13,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 11:25:13,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:25:13,894 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-12-09 11:25:13,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:13,917 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2018-12-09 11:25:13,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 11:25:13,918 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 11:25:13,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:13,925 INFO L225 Difference]: With dead ends: 274 [2018-12-09 11:25:13,926 INFO L226 Difference]: Without dead ends: 139 [2018-12-09 11:25:13,928 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:25:13,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-09 11:25:13,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-09 11:25:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-09 11:25:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-12-09 11:25:13,958 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2018-12-09 11:25:13,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:13,958 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-12-09 11:25:13,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 11:25:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-12-09 11:25:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:25:13,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:13,960 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:25:13,961 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:13,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:13,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1356106720, now seen corresponding path program 1 times [2018-12-09 11:25:13,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:13,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:13,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:13,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:13,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:25:14,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:25:14,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:25:14,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:25:14,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:25:14,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:25:14,023 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2018-12-09 11:25:14,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:14,041 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-12-09 11:25:14,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:25:14,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 11:25:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:14,043 INFO L225 Difference]: With dead ends: 219 [2018-12-09 11:25:14,043 INFO L226 Difference]: Without dead ends: 130 [2018-12-09 11:25:14,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:25:14,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-09 11:25:14,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-09 11:25:14,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-09 11:25:14,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-12-09 11:25:14,052 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2018-12-09 11:25:14,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:14,053 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-12-09 11:25:14,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:25:14,053 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-12-09 11:25:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:25:14,054 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:14,054 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:25:14,054 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:14,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:14,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1397764326, now seen corresponding path program 1 times [2018-12-09 11:25:14,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:14,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:14,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:14,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:14,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:25:14,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:25:14,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:25:14,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:25:14,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:25:14,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:25:14,115 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-12-09 11:25:14,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:14,282 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2018-12-09 11:25:14,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:25:14,282 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 11:25:14,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:14,284 INFO L225 Difference]: With dead ends: 232 [2018-12-09 11:25:14,284 INFO L226 Difference]: Without dead ends: 130 [2018-12-09 11:25:14,285 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:25:14,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-09 11:25:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-09 11:25:14,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-09 11:25:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-12-09 11:25:14,296 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 57 [2018-12-09 11:25:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:14,296 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-12-09 11:25:14,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:25:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-12-09 11:25:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 11:25:14,298 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:14,298 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] [2018-12-09 11:25:14,299 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:14,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:14,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1393884155, now seen corresponding path program 1 times [2018-12-09 11:25:14,299 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:14,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:14,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:14,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:14,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:25:14,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:25:14,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:25:14,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:25:14,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:25:14,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:25:14,362 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2018-12-09 11:25:14,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:14,676 INFO L93 Difference]: Finished difference Result 340 states and 412 transitions. [2018-12-09 11:25:14,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:25:14,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-09 11:25:14,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:14,678 INFO L225 Difference]: With dead ends: 340 [2018-12-09 11:25:14,678 INFO L226 Difference]: Without dead ends: 238 [2018-12-09 11:25:14,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:25:14,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-12-09 11:25:14,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 219. [2018-12-09 11:25:14,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-12-09 11:25:14,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 251 transitions. [2018-12-09 11:25:14,694 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 251 transitions. Word has length 70 [2018-12-09 11:25:14,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:14,694 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 251 transitions. [2018-12-09 11:25:14,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:25:14,695 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 251 transitions. [2018-12-09 11:25:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 11:25:14,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:14,696 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] [2018-12-09 11:25:14,696 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:14,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:14,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1880512136, now seen corresponding path program 1 times [2018-12-09 11:25:14,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:14,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:14,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:14,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:14,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:14,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:25:14,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:25:14,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 11:25:14,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 11:25:14,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 11:25:14,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:25:14,747 INFO L87 Difference]: Start difference. First operand 219 states and 251 transitions. Second operand 8 states. [2018-12-09 11:25:14,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:14,777 INFO L93 Difference]: Finished difference Result 417 states and 491 transitions. [2018-12-09 11:25:14,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:25:14,777 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-09 11:25:14,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:14,780 INFO L225 Difference]: With dead ends: 417 [2018-12-09 11:25:14,780 INFO L226 Difference]: Without dead ends: 226 [2018-12-09 11:25:14,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:25:14,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-12-09 11:25:14,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 223. [2018-12-09 11:25:14,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-12-09 11:25:14,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 255 transitions. [2018-12-09 11:25:14,797 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 255 transitions. Word has length 84 [2018-12-09 11:25:14,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:14,797 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 255 transitions. [2018-12-09 11:25:14,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 11:25:14,797 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 255 transitions. [2018-12-09 11:25:14,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 11:25:14,799 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:14,799 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] [2018-12-09 11:25:14,799 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:14,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:14,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1857879882, now seen corresponding path program 1 times [2018-12-09 11:25:14,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:14,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:14,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:14,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:14,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:25:14,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:25:14,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:25:14,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:25:14,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:25:14,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:25:14,869 INFO L87 Difference]: Start difference. First operand 223 states and 255 transitions. Second operand 6 states. [2018-12-09 11:25:14,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:14,978 INFO L93 Difference]: Finished difference Result 595 states and 701 transitions. [2018-12-09 11:25:14,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:25:14,978 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-09 11:25:14,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:14,980 INFO L225 Difference]: With dead ends: 595 [2018-12-09 11:25:14,980 INFO L226 Difference]: Without dead ends: 400 [2018-12-09 11:25:14,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:25:14,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-12-09 11:25:14,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 394. [2018-12-09 11:25:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-12-09 11:25:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 450 transitions. [2018-12-09 11:25:14,997 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 450 transitions. Word has length 84 [2018-12-09 11:25:14,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:14,998 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 450 transitions. [2018-12-09 11:25:14,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:25:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 450 transitions. [2018-12-09 11:25:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 11:25:14,999 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:14,999 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] [2018-12-09 11:25:14,999 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:14,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:14,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1649329402, now seen corresponding path program 1 times [2018-12-09 11:25:14,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:14,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:15,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:15,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:15,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:25:15,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:25:15,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:25:15,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:25:15,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:25:15,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:25:15,048 INFO L87 Difference]: Start difference. First operand 394 states and 450 transitions. Second operand 7 states. [2018-12-09 11:25:15,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:15,366 INFO L93 Difference]: Finished difference Result 791 states and 928 transitions. [2018-12-09 11:25:15,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 11:25:15,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-09 11:25:15,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:15,368 INFO L225 Difference]: With dead ends: 791 [2018-12-09 11:25:15,369 INFO L226 Difference]: Without dead ends: 425 [2018-12-09 11:25:15,369 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 11:25:15,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-12-09 11:25:15,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2018-12-09 11:25:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-12-09 11:25:15,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 447 transitions. [2018-12-09 11:25:15,391 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 447 transitions. Word has length 88 [2018-12-09 11:25:15,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:15,391 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 447 transitions. [2018-12-09 11:25:15,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:25:15,391 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 447 transitions. [2018-12-09 11:25:15,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 11:25:15,392 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:15,392 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:25:15,393 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:15,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:15,393 INFO L82 PathProgramCache]: Analyzing trace with hash 2017897965, now seen corresponding path program 1 times [2018-12-09 11:25:15,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:15,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:15,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:15,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:15,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:25:15,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:25:15,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:25:15,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:25:15,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:25:15,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:25:15,436 INFO L87 Difference]: Start difference. First operand 393 states and 447 transitions. Second operand 6 states. [2018-12-09 11:25:15,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:15,458 INFO L93 Difference]: Finished difference Result 772 states and 898 transitions. [2018-12-09 11:25:15,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:25:15,458 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-09 11:25:15,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:15,460 INFO L225 Difference]: With dead ends: 772 [2018-12-09 11:25:15,460 INFO L226 Difference]: Without dead ends: 407 [2018-12-09 11:25:15,460 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:25:15,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-12-09 11:25:15,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2018-12-09 11:25:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-12-09 11:25:15,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 457 transitions. [2018-12-09 11:25:15,481 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 457 transitions. Word has length 104 [2018-12-09 11:25:15,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:15,481 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 457 transitions. [2018-12-09 11:25:15,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:25:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 457 transitions. [2018-12-09 11:25:15,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 11:25:15,482 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:15,482 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:25:15,482 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:15,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:15,482 INFO L82 PathProgramCache]: Analyzing trace with hash -589336758, now seen corresponding path program 1 times [2018-12-09 11:25:15,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:15,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:15,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:15,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:15,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:25:15,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:25:15,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:25:15,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:25:15,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:25:15,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:25:15,520 INFO L87 Difference]: Start difference. First operand 403 states and 457 transitions. Second operand 4 states. [2018-12-09 11:25:15,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:15,636 INFO L93 Difference]: Finished difference Result 1188 states and 1416 transitions. [2018-12-09 11:25:15,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:25:15,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-09 11:25:15,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:15,640 INFO L225 Difference]: With dead ends: 1188 [2018-12-09 11:25:15,640 INFO L226 Difference]: Without dead ends: 813 [2018-12-09 11:25:15,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:25:15,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-12-09 11:25:15,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 798. [2018-12-09 11:25:15,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-12-09 11:25:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 931 transitions. [2018-12-09 11:25:15,681 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 931 transitions. Word has length 104 [2018-12-09 11:25:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:15,681 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 931 transitions. [2018-12-09 11:25:15,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:25:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 931 transitions. [2018-12-09 11:25:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 11:25:15,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:15,683 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:25:15,684 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:15,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:15,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1797317316, now seen corresponding path program 1 times [2018-12-09 11:25:15,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:15,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:15,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:15,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:15,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 11:25:15,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:25:15,780 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:25:15,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:15,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:25:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:25:16,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:25:16,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-09 11:25:16,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 11:25:16,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 11:25:16,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-09 11:25:16,010 INFO L87 Difference]: Start difference. First operand 798 states and 931 transitions. Second operand 19 states. [2018-12-09 11:25:16,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:16,578 INFO L93 Difference]: Finished difference Result 1537 states and 1813 transitions. [2018-12-09 11:25:16,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 11:25:16,578 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-12-09 11:25:16,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:16,581 INFO L225 Difference]: With dead ends: 1537 [2018-12-09 11:25:16,581 INFO L226 Difference]: Without dead ends: 767 [2018-12-09 11:25:16,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-09 11:25:16,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-12-09 11:25:16,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 767. [2018-12-09 11:25:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2018-12-09 11:25:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 880 transitions. [2018-12-09 11:25:16,618 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 880 transitions. Word has length 108 [2018-12-09 11:25:16,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:16,618 INFO L480 AbstractCegarLoop]: Abstraction has 767 states and 880 transitions. [2018-12-09 11:25:16,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 11:25:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 880 transitions. [2018-12-09 11:25:16,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 11:25:16,622 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:16,622 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:25:16,622 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:16,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:16,622 INFO L82 PathProgramCache]: Analyzing trace with hash 727830312, now seen corresponding path program 1 times [2018-12-09 11:25:16,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:16,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:16,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:16,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:16,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 11:25:16,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:25:16,685 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:25:16,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:16,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:25:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:25:16,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:25:16,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-09 11:25:16,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:25:16,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:25:16,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:25:16,830 INFO L87 Difference]: Start difference. First operand 767 states and 880 transitions. Second operand 6 states. [2018-12-09 11:25:17,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:17,223 INFO L93 Difference]: Finished difference Result 1673 states and 2014 transitions. [2018-12-09 11:25:17,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:25:17,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-12-09 11:25:17,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:17,228 INFO L225 Difference]: With dead ends: 1673 [2018-12-09 11:25:17,228 INFO L226 Difference]: Without dead ends: 1062 [2018-12-09 11:25:17,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:25:17,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2018-12-09 11:25:17,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 955. [2018-12-09 11:25:17,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2018-12-09 11:25:17,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1112 transitions. [2018-12-09 11:25:17,268 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1112 transitions. Word has length 164 [2018-12-09 11:25:17,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:17,268 INFO L480 AbstractCegarLoop]: Abstraction has 955 states and 1112 transitions. [2018-12-09 11:25:17,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:25:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1112 transitions. [2018-12-09 11:25:17,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 11:25:17,270 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:25:17,270 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:25:17,271 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:25:17,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:25:17,271 INFO L82 PathProgramCache]: Analyzing trace with hash 568396898, now seen corresponding path program 1 times [2018-12-09 11:25:17,271 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:25:17,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:25:17,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:17,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:17,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:25:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 11:25:17,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:25:17,374 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:25:17,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:25:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:25:17,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:25:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:25:17,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:25:17,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-09 11:25:17,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 11:25:17,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 11:25:17,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-09 11:25:17,570 INFO L87 Difference]: Start difference. First operand 955 states and 1112 transitions. Second operand 19 states. [2018-12-09 11:25:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:25:18,085 INFO L93 Difference]: Finished difference Result 1636 states and 1935 transitions. [2018-12-09 11:25:18,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 11:25:18,085 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 160 [2018-12-09 11:25:18,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:25:18,086 INFO L225 Difference]: With dead ends: 1636 [2018-12-09 11:25:18,086 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:25:18,088 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-09 11:25:18,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:25:18,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:25:18,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:25:18,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:25:18,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-12-09 11:25:18,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:25:18,089 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:25:18,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 11:25:18,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:25:18,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:25:18,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:25:18,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:18,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:25:19,055 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2018-12-09 11:25:19,841 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2018-12-09 11:25:19,917 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 11:25:19,917 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 11:25:19,917 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 11:25:19,917 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 11:25:19,917 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 11:25:19,917 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:25:19,918 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:25:19,918 INFO L444 ceAbstractionStarter]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:25:19,918 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2018-12-09 11:25:19,918 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2018-12-09 11:25:19,918 INFO L448 ceAbstractionStarter]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2018-12-09 11:25:19,918 INFO L448 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-12-09 11:25:19,918 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:25:19,918 INFO L444 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:25:19,918 INFO L444 ceAbstractionStarter]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:25:19,918 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2018-12-09 11:25:19,919 INFO L444 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-12-09 11:25:19,919 INFO L448 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2018-12-09 11:25:19,919 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse3 .cse0))) [2018-12-09 11:25:19,919 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 11:25:19,919 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2018-12-09 11:25:19,919 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 (not .cse2) .cse0))) [2018-12-09 11:25:19,919 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-12-09 11:25:19,919 INFO L448 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-12-09 11:25:19,919 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 11:25:19,919 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2018-12-09 11:25:19,920 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2018-12-09 11:25:19,920 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2018-12-09 11:25:19,920 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 781 789) no Hoare annotation was computed. [2018-12-09 11:25:19,920 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 11:25:19,920 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 11:25:19,920 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:25:19,920 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2018-12-09 11:25:19,920 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:25:19,920 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2018-12-09 11:25:19,920 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2018-12-09 11:25:19,920 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2018-12-09 11:25:19,920 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-12-09 11:25:19,920 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2018-12-09 11:25:19,920 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-12-09 11:25:19,920 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= 0 |old(~pumpRunning~0)|)) [2018-12-09 11:25:19,920 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2018-12-09 11:25:19,920 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2018-12-09 11:25:19,921 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse4 .cse3 .cse0))) [2018-12-09 11:25:19,921 INFO L448 ceAbstractionStarter]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2018-12-09 11:25:19,921 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2018-12-09 11:25:19,921 INFO L444 ceAbstractionStarter]: At program point L726(line 726) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-09 11:25:19,921 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 712 736) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 11:25:19,921 INFO L444 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 11:25:19,921 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2018-12-09 11:25:19,921 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse2 .cse4))) [2018-12-09 11:25:19,921 INFO L448 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2018-12-09 11:25:19,921 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2018-12-09 11:25:19,921 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-12-09 11:25:19,922 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-12-09 11:25:19,922 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-12-09 11:25:19,922 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-12-09 11:25:19,922 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2018-12-09 11:25:19,922 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2018-12-09 11:25:19,922 INFO L444 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:25:19,922 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:25:19,922 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2018-12-09 11:25:19,922 INFO L448 ceAbstractionStarter]: For program point L950(lines 950 954) no Hoare annotation was computed. [2018-12-09 11:25:19,922 INFO L444 ceAbstractionStarter]: At program point L950-2(lines 942 955) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-09 11:25:19,922 INFO L448 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2018-12-09 11:25:19,922 INFO L444 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-09 11:25:19,922 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2018-12-09 11:25:19,922 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-09 11:25:19,922 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2018-12-09 11:25:19,922 INFO L448 ceAbstractionStarter]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2018-12-09 11:25:19,922 INFO L444 ceAbstractionStarter]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2018-12-09 11:25:19,922 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~methaneLevelCritical~0 1)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 11:25:19,922 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 737 744) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L444 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: true [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-12-09 11:25:19,923 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: true [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 864 871) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-12-09 11:25:19,924 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L451 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: true [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point L833-1(line 833) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 826 844) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-12-09 11:25:19,924 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-12-09 11:25:19,925 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (= ~methaneLevelCritical~0 1) (not (= 0 ~pumpRunning~0)) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-09 11:25:19,925 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-12-09 11:25:19,925 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (and .cse3 .cse1) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (or .cse4 .cse3 .cse2)) (or .cse4 .cse1 .cse2))) [2018-12-09 11:25:19,925 INFO L444 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 .cse1) .cse2 (and .cse3 .cse1) (not (= ~methaneLevelCritical~0 0)))) (or .cse0 (or .cse4 .cse3 .cse2)) (or (= 0 ~pumpRunning~0) .cse4 .cse2))) [2018-12-09 11:25:19,925 INFO L444 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (and (not (= 0 |old(~pumpRunning~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 11:25:19,925 INFO L448 ceAbstractionStarter]: For program point L658(lines 657 676) no Hoare annotation was computed. [2018-12-09 11:25:19,925 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 11:25:19,925 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2018-12-09 11:25:19,925 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2018-12-09 11:25:19,925 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2018-12-09 11:25:19,925 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2018-12-09 11:25:19,925 INFO L451 ceAbstractionStarter]: At program point L572(lines 547 576) the Hoare annotation is: true [2018-12-09 11:25:19,925 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 11:25:19,925 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2018-12-09 11:25:19,925 INFO L451 ceAbstractionStarter]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2018-12-09 11:25:19,925 INFO L448 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-12-09 11:25:19,925 INFO L451 ceAbstractionStarter]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2018-12-09 11:25:19,925 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-12-09 11:25:19,925 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-12-09 11:25:19,925 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1) .cse2) (or .cse2 (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:25:19,926 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)) [2018-12-09 11:25:19,926 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2018-12-09 11:25:19,926 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2018-12-09 11:25:19,926 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2018-12-09 11:25:19,927 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2018-12-09 11:25:19,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:25:19 BoogieIcfgContainer [2018-12-09 11:25:19,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:25:19,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:25:19,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:25:19,937 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:25:19,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:25:13" (3/4) ... [2018-12-09 11:25:19,940 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:25:19,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 11:25:19,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 11:25:19,945 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 11:25:19,946 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 11:25:19,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 11:25:19,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 11:25:19,947 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 11:25:19,953 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 11:25:19,953 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 11:25:19,953 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 11:25:19,953 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 11:25:19,954 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 11:25:19,954 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:25:19,971 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) [2018-12-09 11:25:19,971 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 11:25:20,001 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_38afec82-dbd3-4c6f-828a-cc424c9ab717/bin-2019/uautomizer/witness.graphml [2018-12-09 11:25:20,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:25:20,002 INFO L168 Benchmark]: Toolchain (without parser) took 6985.75 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -190.4 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:25:20,002 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:25:20,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -121.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:25:20,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:25:20,003 INFO L168 Benchmark]: Boogie Preprocessor took 20.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:25:20,003 INFO L168 Benchmark]: RCFGBuilder took 343.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:25:20,003 INFO L168 Benchmark]: TraceAbstraction took 6263.94 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -134.5 MB). Peak memory consumption was 349.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:25:20,003 INFO L168 Benchmark]: Witness Printer took 65.21 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:25:20,004 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -121.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 343.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6263.94 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -134.5 MB). Peak memory consumption was 349.8 MB. Max. memory is 11.5 GB. * Witness Printer took 65.21 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: 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: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 152 locations, 1 error locations. SAFE Result, 6.2s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2226 SDtfs, 1759 SDslu, 7210 SDs, 0 SdLazy, 3504 SolverSat, 616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 473 SyntacticMatches, 3 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=955occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 186 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2013 PreInvPairs, 2148 NumberOfFragments, 1428 HoareAnnotationTreeSize, 2013 FomulaSimplifications, 6321 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 12563 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1558 NumberOfCodeBlocks, 1558 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1543 ConstructedInterpolants, 0 QuantifiedInterpolants, 283897 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2639 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 208/216 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...