./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74af0999cbe879befd0a6903faa6dabc12f5915f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:34:14,583 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:34:14,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:34:14,590 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:34:14,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:34:14,590 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:34:14,591 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:34:14,592 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:34:14,593 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:34:14,594 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:34:14,595 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:34:14,595 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:34:14,596 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:34:14,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:34:14,597 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:34:14,597 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:34:14,598 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:34:14,599 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:34:14,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:34:14,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:34:14,602 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:34:14,603 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:34:14,605 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:34:14,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:34:14,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:34:14,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:34:14,606 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:34:14,607 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:34:14,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:34:14,608 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:34:14,608 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:34:14,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:34:14,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:34:14,609 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:34:14,609 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:34:14,610 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:34:14,610 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 14:34:14,619 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:34:14,620 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:34:14,620 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:34:14,620 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:34:14,621 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:34:14,621 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:34:14,621 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:34:14,621 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:34:14,621 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:34:14,621 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:34:14,621 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:34:14,622 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:34:14,622 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:34:14,622 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:34:14,622 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:34:14,622 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:34:14,622 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:34:14,623 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:34:14,623 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:34:14,624 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:34:14,624 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:34:14,624 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:34:14,624 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:34:14,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:34:14,624 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:34:14,624 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:34:14,624 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:34:14,624 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:34:14,624 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:34:14,624 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:34:14,625 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_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74af0999cbe879befd0a6903faa6dabc12f5915f [2018-11-23 14:34:14,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:34:14,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:34:14,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:34:14,658 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:34:14,658 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:34:14,659 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-23 14:34:14,694 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/data/7eb8323f9/67e69fe9dccd4797a40009b70028dce5/FLAGa420c7c27 [2018-11-23 14:34:15,031 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:34:15,032 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-23 14:34:15,039 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/data/7eb8323f9/67e69fe9dccd4797a40009b70028dce5/FLAGa420c7c27 [2018-11-23 14:34:15,052 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/data/7eb8323f9/67e69fe9dccd4797a40009b70028dce5 [2018-11-23 14:34:15,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:34:15,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:34:15,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:34:15,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:34:15,060 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:34:15,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4f4658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15, skipping insertion in model container [2018-11-23 14:34:15,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:34:15,105 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:34:15,315 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:34:15,323 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:34:15,426 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:34:15,442 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:34:15,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15 WrapperNode [2018-11-23 14:34:15,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:34:15,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:34:15,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:34:15,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:34:15,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:34:15,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:34:15,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:34:15,465 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:34:15,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (1/1) ... [2018-11-23 14:34:15,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:34:15,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:34:15,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:34:15,495 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:34:15,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:34:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 14:34:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 14:34:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:34:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:34:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 14:34:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 14:34:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:34:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 14:34:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 14:34:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 14:34:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 14:34:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 14:34:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 14:34:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 14:34:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 14:34:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 14:34:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 14:34:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 14:34:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 14:34:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 14:34:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 14:34:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 14:34:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 14:34:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 14:34:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 14:34:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 14:34:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 14:34:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 14:34:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 14:34:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 14:34:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 14:34:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 14:34:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 14:34:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 14:34:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 14:34:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:34:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:34:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 14:34:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 14:34:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 14:34:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 14:34:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 14:34:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 14:34:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 14:34:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 14:34:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 14:34:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 14:34:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 14:34:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 14:34:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 14:34:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 14:34:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 14:34:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 14:34:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 14:34:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:34:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:34:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 14:34:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 14:34:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 14:34:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 14:34:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:34:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:34:15,938 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:34:15,939 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 14:34:15,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:15 BoogieIcfgContainer [2018-11-23 14:34:15,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:34:15,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:34:15,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:34:15,943 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:34:15,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:34:15" (1/3) ... [2018-11-23 14:34:15,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6ae753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:15, skipping insertion in model container [2018-11-23 14:34:15,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:15" (2/3) ... [2018-11-23 14:34:15,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6ae753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:34:15, skipping insertion in model container [2018-11-23 14:34:15,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:15" (3/3) ... [2018-11-23 14:34:15,946 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-23 14:34:15,952 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:34:15,957 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:34:15,967 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:34:15,988 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:34:15,988 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:34:15,988 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:34:15,989 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:34:15,989 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:34:15,989 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:34:15,989 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:34:15,989 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:34:15,989 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:34:16,004 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-11-23 14:34:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 14:34:16,010 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:16,011 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:16,013 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:16,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:16,016 INFO L82 PathProgramCache]: Analyzing trace with hash -14193465, now seen corresponding path program 1 times [2018-11-23 14:34:16,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:16,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:16,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:16,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:16,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:16,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:16,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:34:16,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:34:16,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:34:16,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:34:16,217 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-11-23 14:34:16,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:16,246 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2018-11-23 14:34:16,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:34:16,248 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 14:34:16,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:16,258 INFO L225 Difference]: With dead ends: 292 [2018-11-23 14:34:16,258 INFO L226 Difference]: Without dead ends: 148 [2018-11-23 14:34:16,262 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:34:16,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-23 14:34:16,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-23 14:34:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-23 14:34:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2018-11-23 14:34:16,302 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2018-11-23 14:34:16,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:16,302 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2018-11-23 14:34:16,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:34:16,303 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2018-11-23 14:34:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:34:16,305 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:16,305 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:16,305 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:16,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:16,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1295682751, now seen corresponding path program 1 times [2018-11-23 14:34:16,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:16,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:16,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:16,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:16,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:16,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:16,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:34:16,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:34:16,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:34:16,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:34:16,392 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2018-11-23 14:34:16,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:16,412 INFO L93 Difference]: Finished difference Result 241 states and 287 transitions. [2018-11-23 14:34:16,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:34:16,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 14:34:16,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:16,414 INFO L225 Difference]: With dead ends: 241 [2018-11-23 14:34:16,414 INFO L226 Difference]: Without dead ends: 139 [2018-11-23 14:34:16,415 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:34:16,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-23 14:34:16,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-23 14:34:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-23 14:34:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-11-23 14:34:16,426 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 52 [2018-11-23 14:34:16,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:16,426 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-11-23 14:34:16,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:34:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-11-23 14:34:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 14:34:16,428 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:16,428 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:16,428 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:16,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:16,429 INFO L82 PathProgramCache]: Analyzing trace with hash -526147235, now seen corresponding path program 1 times [2018-11-23 14:34:16,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:16,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:16,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:16,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:16,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:16,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:16,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:34:16,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:34:16,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:34:16,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:34:16,537 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 7 states. [2018-11-23 14:34:16,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:16,747 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2018-11-23 14:34:16,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:34:16,748 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 14:34:16,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:16,749 INFO L225 Difference]: With dead ends: 250 [2018-11-23 14:34:16,749 INFO L226 Difference]: Without dead ends: 139 [2018-11-23 14:34:16,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:34:16,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-23 14:34:16,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-23 14:34:16,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-23 14:34:16,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2018-11-23 14:34:16,762 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 56 [2018-11-23 14:34:16,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:16,762 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2018-11-23 14:34:16,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:34:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2018-11-23 14:34:16,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 14:34:16,764 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:16,765 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:16,765 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:16,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:16,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1780832067, now seen corresponding path program 1 times [2018-11-23 14:34:16,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:16,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:16,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:16,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:16,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:16,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:16,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:34:16,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:34:16,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:34:16,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:34:16,851 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 5 states. [2018-11-23 14:34:17,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:17,280 INFO L93 Difference]: Finished difference Result 354 states and 433 transitions. [2018-11-23 14:34:17,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:34:17,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-11-23 14:34:17,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:17,282 INFO L225 Difference]: With dead ends: 354 [2018-11-23 14:34:17,282 INFO L226 Difference]: Without dead ends: 243 [2018-11-23 14:34:17,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:34:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-23 14:34:17,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 225. [2018-11-23 14:34:17,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-23 14:34:17,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 258 transitions. [2018-11-23 14:34:17,305 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 258 transitions. Word has length 74 [2018-11-23 14:34:17,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:17,306 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 258 transitions. [2018-11-23 14:34:17,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:34:17,306 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2018-11-23 14:34:17,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 14:34:17,309 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:17,309 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:17,310 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:17,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:17,311 INFO L82 PathProgramCache]: Analyzing trace with hash -2057745489, now seen corresponding path program 1 times [2018-11-23 14:34:17,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:17,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:17,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:17,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:17,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:17,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:17,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:34:17,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:34:17,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:34:17,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:34:17,382 INFO L87 Difference]: Start difference. First operand 225 states and 258 transitions. Second operand 6 states. [2018-11-23 14:34:17,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:17,493 INFO L93 Difference]: Finished difference Result 601 states and 710 transitions. [2018-11-23 14:34:17,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:34:17,494 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 14:34:17,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:17,496 INFO L225 Difference]: With dead ends: 601 [2018-11-23 14:34:17,496 INFO L226 Difference]: Without dead ends: 404 [2018-11-23 14:34:17,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:34:17,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-11-23 14:34:17,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2018-11-23 14:34:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-11-23 14:34:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 456 transitions. [2018-11-23 14:34:17,523 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 456 transitions. Word has length 88 [2018-11-23 14:34:17,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:17,523 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 456 transitions. [2018-11-23 14:34:17,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:34:17,524 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 456 transitions. [2018-11-23 14:34:17,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 14:34:17,525 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:17,525 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:17,525 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:17,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:17,526 INFO L82 PathProgramCache]: Analyzing trace with hash 242365227, now seen corresponding path program 1 times [2018-11-23 14:34:17,526 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:17,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:17,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:17,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:17,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:17,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:17,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:34:17,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:34:17,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:34:17,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:34:17,619 INFO L87 Difference]: Start difference. First operand 398 states and 456 transitions. Second operand 7 states. [2018-11-23 14:34:17,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:17,947 INFO L93 Difference]: Finished difference Result 797 states and 936 transitions. [2018-11-23 14:34:17,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 14:34:17,947 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-23 14:34:17,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:17,949 INFO L225 Difference]: With dead ends: 797 [2018-11-23 14:34:17,949 INFO L226 Difference]: Without dead ends: 427 [2018-11-23 14:34:17,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 14:34:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-11-23 14:34:17,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 397. [2018-11-23 14:34:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-11-23 14:34:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 453 transitions. [2018-11-23 14:34:17,971 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 453 transitions. Word has length 92 [2018-11-23 14:34:17,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:17,971 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 453 transitions. [2018-11-23 14:34:17,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:34:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 453 transitions. [2018-11-23 14:34:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 14:34:17,973 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:17,973 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:17,973 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:17,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:17,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1348117597, now seen corresponding path program 1 times [2018-11-23 14:34:17,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:17,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:17,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:17,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:17,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:18,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:18,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:34:18,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:34:18,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:34:18,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:34:18,033 INFO L87 Difference]: Start difference. First operand 397 states and 453 transitions. Second operand 6 states. [2018-11-23 14:34:18,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:18,064 INFO L93 Difference]: Finished difference Result 776 states and 900 transitions. [2018-11-23 14:34:18,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:34:18,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-23 14:34:18,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:18,067 INFO L225 Difference]: With dead ends: 776 [2018-11-23 14:34:18,067 INFO L226 Difference]: Without dead ends: 407 [2018-11-23 14:34:18,068 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:34:18,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-11-23 14:34:18,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-11-23 14:34:18,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-11-23 14:34:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 463 transitions. [2018-11-23 14:34:18,083 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 463 transitions. Word has length 93 [2018-11-23 14:34:18,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:18,083 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 463 transitions. [2018-11-23 14:34:18,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:34:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 463 transitions. [2018-11-23 14:34:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 14:34:18,085 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:18,085 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:18,085 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:18,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:18,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1275731039, now seen corresponding path program 1 times [2018-11-23 14:34:18,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:18,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:18,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:18,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:18,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:18,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:18,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:18,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 14:34:18,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 14:34:18,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 14:34:18,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:34:18,151 INFO L87 Difference]: Start difference. First operand 407 states and 463 transitions. Second operand 8 states. [2018-11-23 14:34:18,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:18,200 INFO L93 Difference]: Finished difference Result 800 states and 936 transitions. [2018-11-23 14:34:18,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:34:18,201 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-23 14:34:18,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:18,203 INFO L225 Difference]: With dead ends: 800 [2018-11-23 14:34:18,203 INFO L226 Difference]: Without dead ends: 421 [2018-11-23 14:34:18,204 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:34:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-11-23 14:34:18,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2018-11-23 14:34:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-11-23 14:34:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 471 transitions. [2018-11-23 14:34:18,219 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 471 transitions. Word has length 93 [2018-11-23 14:34:18,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:18,219 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 471 transitions. [2018-11-23 14:34:18,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 14:34:18,219 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 471 transitions. [2018-11-23 14:34:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 14:34:18,221 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:18,221 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:18,222 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:18,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:18,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1605496800, now seen corresponding path program 1 times [2018-11-23 14:34:18,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:18,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:18,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:18,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:18,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:18,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:18,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:18,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 14:34:18,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 14:34:18,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 14:34:18,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:34:18,283 INFO L87 Difference]: Start difference. First operand 415 states and 471 transitions. Second operand 4 states. [2018-11-23 14:34:18,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:18,416 INFO L93 Difference]: Finished difference Result 1250 states and 1496 transitions. [2018-11-23 14:34:18,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:34:18,417 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-23 14:34:18,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:18,420 INFO L225 Difference]: With dead ends: 1250 [2018-11-23 14:34:18,420 INFO L226 Difference]: Without dead ends: 863 [2018-11-23 14:34:18,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:34:18,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-11-23 14:34:18,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 549. [2018-11-23 14:34:18,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-11-23 14:34:18,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 618 transitions. [2018-11-23 14:34:18,446 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 618 transitions. Word has length 93 [2018-11-23 14:34:18,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:18,447 INFO L480 AbstractCegarLoop]: Abstraction has 549 states and 618 transitions. [2018-11-23 14:34:18,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 14:34:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 618 transitions. [2018-11-23 14:34:18,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 14:34:18,448 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:18,448 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:18,448 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:18,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:18,449 INFO L82 PathProgramCache]: Analyzing trace with hash -2047783674, now seen corresponding path program 1 times [2018-11-23 14:34:18,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:18,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:18,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:18,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:18,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:18,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:18,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:34:18,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:34:18,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:34:18,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:34:18,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:34:18,499 INFO L87 Difference]: Start difference. First operand 549 states and 618 transitions. Second operand 3 states. [2018-11-23 14:34:18,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:18,531 INFO L93 Difference]: Finished difference Result 866 states and 990 transitions. [2018-11-23 14:34:18,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:34:18,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-11-23 14:34:18,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:18,534 INFO L225 Difference]: With dead ends: 866 [2018-11-23 14:34:18,534 INFO L226 Difference]: Without dead ends: 863 [2018-11-23 14:34:18,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:34:18,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-11-23 14:34:18,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 713. [2018-11-23 14:34:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2018-11-23 14:34:18,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 813 transitions. [2018-11-23 14:34:18,563 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 813 transitions. Word has length 97 [2018-11-23 14:34:18,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:18,564 INFO L480 AbstractCegarLoop]: Abstraction has 713 states and 813 transitions. [2018-11-23 14:34:18,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:34:18,564 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 813 transitions. [2018-11-23 14:34:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 14:34:18,566 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:18,566 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:18,566 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:18,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:18,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1584272901, now seen corresponding path program 1 times [2018-11-23 14:34:18,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:18,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:18,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:18,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:18,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:18,645 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 14:34:18,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:34:18,645 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:34:18,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:18,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:34:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:34:18,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:34:18,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-23 14:34:18,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 14:34:18,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 14:34:18,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:34:18,816 INFO L87 Difference]: Start difference. First operand 713 states and 813 transitions. Second operand 8 states. [2018-11-23 14:34:18,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:18,920 INFO L93 Difference]: Finished difference Result 1201 states and 1380 transitions. [2018-11-23 14:34:18,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:34:18,920 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-11-23 14:34:18,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:18,923 INFO L225 Difference]: With dead ends: 1201 [2018-11-23 14:34:18,923 INFO L226 Difference]: Without dead ends: 646 [2018-11-23 14:34:18,924 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:34:18,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-11-23 14:34:18,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2018-11-23 14:34:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-11-23 14:34:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 727 transitions. [2018-11-23 14:34:18,958 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 727 transitions. Word has length 160 [2018-11-23 14:34:18,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:18,958 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 727 transitions. [2018-11-23 14:34:18,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 14:34:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 727 transitions. [2018-11-23 14:34:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 14:34:18,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:34:18,961 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:34:18,961 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:34:18,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:34:18,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1035830722, now seen corresponding path program 1 times [2018-11-23 14:34:18,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:34:18,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:34:18,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:18,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:18,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:34:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 14:34:19,094 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:34:19,094 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:34:19,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:34:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:34:19,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:34:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 14:34:19,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:34:19,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 14:34:19,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 14:34:19,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 14:34:19,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 14:34:19,315 INFO L87 Difference]: Start difference. First operand 646 states and 727 transitions. Second operand 19 states. [2018-11-23 14:34:19,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:34:19,854 INFO L93 Difference]: Finished difference Result 1164 states and 1322 transitions. [2018-11-23 14:34:19,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 14:34:19,855 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 173 [2018-11-23 14:34:19,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:34:19,855 INFO L225 Difference]: With dead ends: 1164 [2018-11-23 14:34:19,855 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:34:19,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 14:34:19,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:34:19,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:34:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:34:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:34:19,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-11-23 14:34:19,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:34:19,858 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:34:19,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 14:34:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:34:19,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:34:19,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:34:19,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:19,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:34:20,307 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2018-11-23 14:34:20,990 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2018-11-23 14:34:21,143 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-11-23 14:34:22,271 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2018-11-23 14:34:22,671 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2018-11-23 14:34:22,671 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2018-11-23 14:34:22,671 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2018-11-23 14:34:22,671 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2018-11-23 14:34:22,671 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2018-11-23 14:34:22,671 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:34:22,671 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2018-11-23 14:34:22,671 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2018-11-23 14:34:22,671 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:34:22,671 INFO L444 ceAbstractionStarter]: At program point L844-1(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:34:22,671 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2018-11-23 14:34:22,671 INFO L448 ceAbstractionStarter]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2018-11-23 14:34:22,672 INFO L448 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-11-23 14:34:22,672 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:34:22,672 INFO L444 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:34:22,672 INFO L444 ceAbstractionStarter]: At program point L838-1(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:34:22,672 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2018-11-23 14:34:22,672 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2018-11-23 14:34:22,672 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2018-11-23 14:34:22,672 INFO L451 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2018-11-23 14:34:22,672 INFO L448 ceAbstractionStarter]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2018-11-23 14:34:22,672 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-23 14:34:22,672 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2018-11-23 14:34:22,672 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2018-11-23 14:34:22,672 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2018-11-23 14:34:22,672 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2018-11-23 14:34:22,672 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2018-11-23 14:34:22,673 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L451 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 946) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L444 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2018-11-23 14:34:22,673 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2018-11-23 14:34:22,674 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4 .cse2) (or .cse1 .cse2 .cse5) (or .cse2 .cse4 .cse3 .cse5)))) [2018-11-23 14:34:22,674 INFO L444 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse1 .cse0) (or .cse4 .cse2)))) [2018-11-23 14:34:22,674 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-11-23 14:34:22,674 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2018-11-23 14:34:22,674 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse5) (or .cse4 .cse3 .cse2 .cse5)))) [2018-11-23 14:34:22,674 INFO L448 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2018-11-23 14:34:22,674 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2018-11-23 14:34:22,674 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2018-11-23 14:34:22,674 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2018-11-23 14:34:22,674 INFO L444 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse3 .cse2 .cse5) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2))) [2018-11-23 14:34:22,674 INFO L448 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2018-11-23 14:34:22,674 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:34:22,674 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2018-11-23 14:34:22,675 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2018-11-23 14:34:22,675 INFO L444 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-23 14:34:22,675 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 14:34:22,675 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2018-11-23 14:34:22,675 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-23 14:34:22,675 INFO L444 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-23 14:34:22,675 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-11-23 14:34:22,675 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2018-11-23 14:34:22,675 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-11-23 14:34:22,676 INFO L444 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:34:22,676 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-23 14:34:22,676 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2018-11-23 14:34:22,676 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2018-11-23 14:34:22,676 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2018-11-23 14:34:22,676 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2018-11-23 14:34:22,676 INFO L444 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-11-23 14:34:22,676 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-11-23 14:34:22,676 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-11-23 14:34:22,676 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2018-11-23 14:34:22,676 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-23 14:34:22,677 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-23 14:34:22,677 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-23 14:34:22,677 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-11-23 14:34:22,677 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2018-11-23 14:34:22,677 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2018-11-23 14:34:22,677 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2018-11-23 14:34:22,677 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 14:34:22,677 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2018-11-23 14:34:22,677 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2018-11-23 14:34:22,677 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:34:22,677 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 14:34:22,678 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:34:22,678 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2018-11-23 14:34:22,678 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2018-11-23 14:34:22,678 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 14:34:22,678 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2018-11-23 14:34:22,678 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2018-11-23 14:34:22,678 INFO L451 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2018-11-23 14:34:22,678 INFO L448 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2018-11-23 14:34:22,678 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-11-23 14:34:22,678 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2018-11-23 14:34:22,678 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2018-11-23 14:34:22,679 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-11-23 14:34:22,679 INFO L448 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2018-11-23 14:34:22,679 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2018-11-23 14:34:22,679 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2018-11-23 14:34:22,679 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2018-11-23 14:34:22,679 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2018-11-23 14:34:22,679 INFO L448 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2018-11-23 14:34:22,679 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2018-11-23 14:34:22,679 INFO L451 ceAbstractionStarter]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2018-11-23 14:34:22,679 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2018-11-23 14:34:22,679 INFO L451 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-11-23 14:34:22,679 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-11-23 14:34:22,679 INFO L451 ceAbstractionStarter]: At program point L782(lines 757 786) the Hoare annotation is: true [2018-11-23 14:34:22,679 INFO L448 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2018-11-23 14:34:22,680 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2018-11-23 14:34:22,680 INFO L451 ceAbstractionStarter]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2018-11-23 14:34:22,680 INFO L444 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse4 .cse5 .cse2) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-11-23 14:34:22,680 INFO L444 ceAbstractionStarter]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or .cse11 .cse2)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (and (= 1 ~waterLevel~0) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7) .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse5 .cse4 (and .cse6 .cse7 .cse10) .cse8) (or .cse11 .cse12 .cse2 .cse13 .cse8 .cse9) (or .cse0 .cse11 .cse2 .cse13 .cse8 .cse12)))) [2018-11-23 14:34:22,680 INFO L444 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse5) (or .cse6 .cse4 .cse5)))) [2018-11-23 14:34:22,680 INFO L448 ceAbstractionStarter]: For program point L501(lines 500 519) no Hoare annotation was computed. [2018-11-23 14:34:22,680 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-11-23 14:34:22,681 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2018-11-23 14:34:22,681 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2018-11-23 14:34:22,681 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: true [2018-11-23 14:34:22,681 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2018-11-23 14:34:22,681 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2018-11-23 14:34:22,681 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2018-11-23 14:34:22,681 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2018-11-23 14:34:22,681 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:34:22,681 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 14:34:22,681 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:34:22,681 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:34:22,681 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 14:34:22,682 INFO L444 ceAbstractionStarter]: At program point L543(line 543) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1)))) [2018-11-23 14:34:22,682 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2018-11-23 14:34:22,682 INFO L444 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 14:34:22,682 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2018-11-23 14:34:22,682 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 14:34:22,682 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-11-23 14:34:22,682 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2018-11-23 14:34:22,682 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-23 14:34:22,682 INFO L448 ceAbstractionStarter]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2018-11-23 14:34:22,682 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2018-11-23 14:34:22,683 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2018-11-23 14:34:22,683 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-11-23 14:34:22,683 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 14:34:22,683 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 14:34:22,683 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 14:34:22,683 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 14:34:22,683 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 14:34:22,683 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2018-11-23 14:34:22,683 INFO L448 ceAbstractionStarter]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2018-11-23 14:34:22,683 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 14:34:22,684 INFO L444 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-23 14:34:22,684 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-23 14:34:22,684 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2018-11-23 14:34:22,684 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-23 14:34:22,684 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-11-23 14:34:22,684 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2018-11-23 14:34:22,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:34:22 BoogieIcfgContainer [2018-11-23 14:34:22,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:34:22,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:34:22,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:34:22,698 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:34:22,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:34:15" (3/4) ... [2018-11-23 14:34:22,702 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 14:34:22,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 14:34:22,709 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 14:34:22,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 14:34:22,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:34:22,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 14:34:22,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 14:34:22,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 14:34:22,716 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 14:34:22,717 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 14:34:22,717 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 14:34:22,717 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 14:34:22,718 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:34:22,718 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:34:22,718 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:34:22,740 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-11-23 14:34:22,740 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 14:34:22,772 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7f0a8a93-505f-4866-882d-691796fc2334/bin-2019/uautomizer/witness.graphml [2018-11-23 14:34:22,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:34:22,773 INFO L168 Benchmark]: Toolchain (without parser) took 7717.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 336.6 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -262.6 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:34:22,773 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:34:22,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:34:22,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:34:22,774 INFO L168 Benchmark]: Boogie Preprocessor took 29.98 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:34:22,774 INFO L168 Benchmark]: RCFGBuilder took 444.13 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:34:22,774 INFO L168 Benchmark]: TraceAbstraction took 6758.12 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 223.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -186.6 MB). Peak memory consumption was 349.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:34:22,774 INFO L168 Benchmark]: Witness Printer took 74.00 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:34:22,776 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.98 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 444.13 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: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6758.12 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 223.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -186.6 MB). Peak memory consumption was 349.5 MB. Max. memory is 11.5 GB. * Witness Printer took 74.00 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 161 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2245 SDtfs, 1476 SDslu, 6443 SDs, 0 SdLazy, 2222 SolverSat, 345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 468 GetRequests, 382 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=713occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 524 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1642 PreInvPairs, 1694 NumberOfFragments, 2571 HoareAnnotationTreeSize, 1642 FomulaSimplifications, 5704 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 8791 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1455 NumberOfCodeBlocks, 1455 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 287060 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1827 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 198/208 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...