./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_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_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/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 57406ed1e8515a3807c9750d676c6ccf8b3f94ad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:05:46,591 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:05:46,592 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:05:46,600 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:05:46,600 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:05:46,601 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:05:46,602 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:05:46,604 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:05:46,605 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:05:46,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:05:46,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:05:46,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:05:46,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:05:46,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:05:46,608 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:05:46,609 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:05:46,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:05:46,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:05:46,612 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:05:46,613 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:05:46,614 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:05:46,615 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:05:46,617 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:05:46,617 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:05:46,617 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:05:46,618 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:05:46,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:05:46,619 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:05:46,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:05:46,620 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:05:46,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:05:46,621 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:05:46,621 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:05:46,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:05:46,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:05:46,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:05:46,623 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 03:05:46,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:05:46,633 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:05:46,634 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:05:46,634 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:05:46,634 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:05:46,634 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:05:46,634 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:05:46,635 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:05:46,635 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:05:46,635 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:05:46,635 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:05:46,635 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:05:46,635 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:05:46,635 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:05:46,635 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:05:46,636 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:05:46,636 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:05:46,636 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:05:46,636 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:05:46,636 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:05:46,636 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:05:46,636 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:05:46,637 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:05:46,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:05:46,637 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:05:46,637 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:05:46,637 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:05:46,637 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:05:46,637 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:05:46,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:05:46,637 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_e4de3f12-0d36-4032-9c63-a6b8e3045962/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 -> 57406ed1e8515a3807c9750d676c6ccf8b3f94ad [2018-11-23 03:05:46,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:05:46,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:05:46,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:05:46,672 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:05:46,673 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:05:46,673 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-23 03:05:46,716 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/data/9cfc420ce/0912a6bd4e0b4fb0880117696ca0f30a/FLAG369e85280 [2018-11-23 03:05:47,139 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:05:47,139 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-23 03:05:47,146 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/data/9cfc420ce/0912a6bd4e0b4fb0880117696ca0f30a/FLAG369e85280 [2018-11-23 03:05:47,154 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/data/9cfc420ce/0912a6bd4e0b4fb0880117696ca0f30a [2018-11-23 03:05:47,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:05:47,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:05:47,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:05:47,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:05:47,160 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:05:47,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47, skipping insertion in model container [2018-11-23 03:05:47,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:05:47,197 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:05:47,399 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:05:47,410 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:05:47,525 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:05:47,549 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:05:47,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47 WrapperNode [2018-11-23 03:05:47,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:05:47,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:05:47,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:05:47,550 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:05:47,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:05:47,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:05:47,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:05:47,582 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:05:47,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (1/1) ... [2018-11-23 03:05:47,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:05:47,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:05:47,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:05:47,623 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:05:47,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/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 03:05:47,667 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:05:47,667 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:05:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:05:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:05:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 03:05:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 03:05:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:05:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:05:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:05:47,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:05:47,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:05:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 03:05:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 03:05:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:05:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:05:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:05:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:05:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:05:47,669 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:05:47,669 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 03:05:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 03:05:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:05:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:05:47,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:05:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:05:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 03:05:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 03:05:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 03:05:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 03:05:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:05:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:05:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:05:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:05:47,671 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:05:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:05:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:05:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:05:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:05:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:05:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:05:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:05:47,672 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:05:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:05:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:05:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:05:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:05:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:05:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:05:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:05:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:05:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:05:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:05:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:05:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:05:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:05:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:05:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:05:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:05:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:05:47,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:05:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:05:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:05:48,088 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:05:48,089 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:05:48,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:48 BoogieIcfgContainer [2018-11-23 03:05:48,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:05:48,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:05:48,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:05:48,092 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:05:48,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:05:47" (1/3) ... [2018-11-23 03:05:48,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f25b702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:05:48, skipping insertion in model container [2018-11-23 03:05:48,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:47" (2/3) ... [2018-11-23 03:05:48,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f25b702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:05:48, skipping insertion in model container [2018-11-23 03:05:48,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:48" (3/3) ... [2018-11-23 03:05:48,095 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-23 03:05:48,105 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:05:48,112 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:05:48,127 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:05:48,154 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:05:48,155 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:05:48,155 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:05:48,155 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:05:48,155 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:05:48,155 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:05:48,155 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:05:48,156 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:05:48,156 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:05:48,175 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-11-23 03:05:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 03:05:48,183 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:48,184 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 03:05:48,186 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:48,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:48,190 INFO L82 PathProgramCache]: Analyzing trace with hash 695158578, now seen corresponding path program 1 times [2018-11-23 03:05:48,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:48,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:48,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:48,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:48,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:48,384 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 03:05:48,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:05:48,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:05:48,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:05:48,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:05:48,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:05:48,399 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-11-23 03:05:48,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:48,424 INFO L93 Difference]: Finished difference Result 286 states and 353 transitions. [2018-11-23 03:05:48,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:05:48,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 03:05:48,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:48,433 INFO L225 Difference]: With dead ends: 286 [2018-11-23 03:05:48,433 INFO L226 Difference]: Without dead ends: 145 [2018-11-23 03:05:48,435 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 03:05:48,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-23 03:05:48,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-23 03:05:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-23 03:05:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-11-23 03:05:48,469 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 51 [2018-11-23 03:05:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:48,469 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-11-23 03:05:48,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:05:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-11-23 03:05:48,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:05:48,472 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:48,472 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 03:05:48,473 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:48,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:48,473 INFO L82 PathProgramCache]: Analyzing trace with hash 382336584, now seen corresponding path program 1 times [2018-11-23 03:05:48,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:48,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:48,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:48,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:48,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:48,546 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 03:05:48,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:05:48,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:05:48,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:05:48,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:05:48,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:05:48,549 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 3 states. [2018-11-23 03:05:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:48,571 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-11-23 03:05:48,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:05:48,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 03:05:48,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:48,573 INFO L225 Difference]: With dead ends: 235 [2018-11-23 03:05:48,574 INFO L226 Difference]: Without dead ends: 136 [2018-11-23 03:05:48,575 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 03:05:48,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-23 03:05:48,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-23 03:05:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-23 03:05:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2018-11-23 03:05:48,585 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 52 [2018-11-23 03:05:48,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:48,586 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2018-11-23 03:05:48,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:05:48,586 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2018-11-23 03:05:48,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 03:05:48,587 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:48,587 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 03:05:48,587 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:48,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:48,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1306371855, now seen corresponding path program 1 times [2018-11-23 03:05:48,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:48,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:48,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:48,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:48,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:48,697 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 03:05:48,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:05:48,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:05:48,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:05:48,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:05:48,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:05:48,699 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 7 states. [2018-11-23 03:05:48,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:48,912 INFO L93 Difference]: Finished difference Result 244 states and 289 transitions. [2018-11-23 03:05:48,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:05:48,913 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 03:05:48,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:48,914 INFO L225 Difference]: With dead ends: 244 [2018-11-23 03:05:48,914 INFO L226 Difference]: Without dead ends: 136 [2018-11-23 03:05:48,915 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 03:05:48,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-23 03:05:48,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-23 03:05:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-23 03:05:48,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2018-11-23 03:05:48,929 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 56 [2018-11-23 03:05:48,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:48,930 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2018-11-23 03:05:48,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:05:48,931 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2018-11-23 03:05:48,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 03:05:48,933 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:48,933 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:05:48,934 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:48,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:48,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1404980815, now seen corresponding path program 1 times [2018-11-23 03:05:48,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:48,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:48,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:48,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:48,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:49,034 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 03:05:49,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:05:49,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:05:49,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:05:49,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:05:49,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:05:49,035 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 5 states. [2018-11-23 03:05:49,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:49,357 INFO L93 Difference]: Finished difference Result 342 states and 413 transitions. [2018-11-23 03:05:49,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:05:49,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-23 03:05:49,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:49,359 INFO L225 Difference]: With dead ends: 342 [2018-11-23 03:05:49,359 INFO L226 Difference]: Without dead ends: 234 [2018-11-23 03:05:49,360 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:05:49,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-11-23 03:05:49,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 216. [2018-11-23 03:05:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-23 03:05:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 248 transitions. [2018-11-23 03:05:49,398 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 248 transitions. Word has length 69 [2018-11-23 03:05:49,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:49,399 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 248 transitions. [2018-11-23 03:05:49,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:05:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 248 transitions. [2018-11-23 03:05:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 03:05:49,400 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:49,400 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:05:49,402 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:49,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:49,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1644843742, now seen corresponding path program 1 times [2018-11-23 03:05:49,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:49,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:49,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:49,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:49,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:49,475 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 03:05:49,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:05:49,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 03:05:49,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:05:49,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:05:49,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:05:49,476 INFO L87 Difference]: Start difference. First operand 216 states and 248 transitions. Second operand 4 states. [2018-11-23 03:05:49,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:49,640 INFO L93 Difference]: Finished difference Result 719 states and 881 transitions. [2018-11-23 03:05:49,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:05:49,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2018-11-23 03:05:49,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:49,645 INFO L225 Difference]: With dead ends: 719 [2018-11-23 03:05:49,645 INFO L226 Difference]: Without dead ends: 531 [2018-11-23 03:05:49,647 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 03:05:49,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-23 03:05:49,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 519. [2018-11-23 03:05:49,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-11-23 03:05:49,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 623 transitions. [2018-11-23 03:05:49,684 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 623 transitions. Word has length 83 [2018-11-23 03:05:49,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:49,685 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 623 transitions. [2018-11-23 03:05:49,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:05:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 623 transitions. [2018-11-23 03:05:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 03:05:49,686 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:49,687 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:05:49,687 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:49,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:49,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1624631555, now seen corresponding path program 1 times [2018-11-23 03:05:49,687 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:49,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:49,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:49,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:49,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:49,770 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 03:05:49,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:05:49,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:05:49,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:05:49,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:05:49,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:05:49,771 INFO L87 Difference]: Start difference. First operand 519 states and 623 transitions. Second operand 6 states. [2018-11-23 03:05:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:49,913 INFO L93 Difference]: Finished difference Result 1458 states and 1805 transitions. [2018-11-23 03:05:49,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:05:49,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-23 03:05:49,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:49,917 INFO L225 Difference]: With dead ends: 1458 [2018-11-23 03:05:49,917 INFO L226 Difference]: Without dead ends: 967 [2018-11-23 03:05:49,919 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 03:05:49,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-11-23 03:05:49,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 951. [2018-11-23 03:05:49,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2018-11-23 03:05:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1136 transitions. [2018-11-23 03:05:49,963 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1136 transitions. Word has length 83 [2018-11-23 03:05:49,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:49,963 INFO L480 AbstractCegarLoop]: Abstraction has 951 states and 1136 transitions. [2018-11-23 03:05:49,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:05:49,964 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1136 transitions. [2018-11-23 03:05:49,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 03:05:49,965 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:49,965 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:05:49,965 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:49,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:49,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1746225127, now seen corresponding path program 1 times [2018-11-23 03:05:49,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:49,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:49,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:49,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:49,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:50,045 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 03:05:50,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:05:50,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:05:50,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:05:50,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:05:50,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:05:50,046 INFO L87 Difference]: Start difference. First operand 951 states and 1136 transitions. Second operand 7 states. [2018-11-23 03:05:50,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:50,472 INFO L93 Difference]: Finished difference Result 1957 states and 2403 transitions. [2018-11-23 03:05:50,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 03:05:50,473 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-23 03:05:50,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:50,478 INFO L225 Difference]: With dead ends: 1957 [2018-11-23 03:05:50,478 INFO L226 Difference]: Without dead ends: 1034 [2018-11-23 03:05:50,480 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:05:50,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2018-11-23 03:05:50,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 948. [2018-11-23 03:05:50,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-11-23 03:05:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1127 transitions. [2018-11-23 03:05:50,533 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1127 transitions. Word has length 87 [2018-11-23 03:05:50,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:50,533 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1127 transitions. [2018-11-23 03:05:50,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:05:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1127 transitions. [2018-11-23 03:05:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 03:05:50,536 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:50,536 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:05:50,537 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:50,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:50,537 INFO L82 PathProgramCache]: Analyzing trace with hash 94127644, now seen corresponding path program 1 times [2018-11-23 03:05:50,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:50,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:50,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:50,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:50,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 03:05:50,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:05:50,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:05:50,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:05:50,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:05:50,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:05:50,629 INFO L87 Difference]: Start difference. First operand 948 states and 1127 transitions. Second operand 6 states. [2018-11-23 03:05:50,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:50,684 INFO L93 Difference]: Finished difference Result 1910 states and 2342 transitions. [2018-11-23 03:05:50,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:05:50,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-23 03:05:50,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:50,689 INFO L225 Difference]: With dead ends: 1910 [2018-11-23 03:05:50,689 INFO L226 Difference]: Without dead ends: 990 [2018-11-23 03:05:50,692 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 03:05:50,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2018-11-23 03:05:50,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 978. [2018-11-23 03:05:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-11-23 03:05:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1159 transitions. [2018-11-23 03:05:50,739 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1159 transitions. Word has length 103 [2018-11-23 03:05:50,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:50,739 INFO L480 AbstractCegarLoop]: Abstraction has 978 states and 1159 transitions. [2018-11-23 03:05:50,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:05:50,739 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1159 transitions. [2018-11-23 03:05:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 03:05:50,741 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:50,741 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:05:50,741 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:50,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:50,742 INFO L82 PathProgramCache]: Analyzing trace with hash 2022400346, now seen corresponding path program 1 times [2018-11-23 03:05:50,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:50,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:50,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:50,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:50,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 03:05:50,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:05:50,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 03:05:50,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 03:05:50,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 03:05:50,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:05:50,817 INFO L87 Difference]: Start difference. First operand 978 states and 1159 transitions. Second operand 8 states. [2018-11-23 03:05:50,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:50,884 INFO L93 Difference]: Finished difference Result 1734 states and 2104 transitions. [2018-11-23 03:05:50,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:05:50,886 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-23 03:05:50,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:50,890 INFO L225 Difference]: With dead ends: 1734 [2018-11-23 03:05:50,890 INFO L226 Difference]: Without dead ends: 784 [2018-11-23 03:05:50,893 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 03:05:50,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2018-11-23 03:05:50,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2018-11-23 03:05:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-11-23 03:05:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 917 transitions. [2018-11-23 03:05:50,930 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 917 transitions. Word has length 103 [2018-11-23 03:05:50,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:50,930 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 917 transitions. [2018-11-23 03:05:50,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 03:05:50,930 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 917 transitions. [2018-11-23 03:05:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 03:05:50,932 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:50,932 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:05:50,933 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:50,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:50,933 INFO L82 PathProgramCache]: Analyzing trace with hash 785672447, now seen corresponding path program 1 times [2018-11-23 03:05:50,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:50,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:50,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:50,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:50,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:05:51,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:05:51,086 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/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 03:05:51,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:51,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:05:51,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:05:51,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:05:51,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 03:05:51,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 03:05:51,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 03:05:51,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:05:51,441 INFO L87 Difference]: Start difference. First operand 784 states and 917 transitions. Second operand 19 states. [2018-11-23 03:05:52,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:52,116 INFO L93 Difference]: Finished difference Result 1509 states and 1785 transitions. [2018-11-23 03:05:52,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 03:05:52,116 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-23 03:05:52,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:52,119 INFO L225 Difference]: With dead ends: 1509 [2018-11-23 03:05:52,119 INFO L226 Difference]: Without dead ends: 753 [2018-11-23 03:05:52,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 03:05:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2018-11-23 03:05:52,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 753. [2018-11-23 03:05:52,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2018-11-23 03:05:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 866 transitions. [2018-11-23 03:05:52,153 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 866 transitions. Word has length 107 [2018-11-23 03:05:52,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:52,153 INFO L480 AbstractCegarLoop]: Abstraction has 753 states and 866 transitions. [2018-11-23 03:05:52,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 03:05:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 866 transitions. [2018-11-23 03:05:52,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 03:05:52,156 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:52,156 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:05:52,156 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:52,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:52,156 INFO L82 PathProgramCache]: Analyzing trace with hash -265228281, now seen corresponding path program 1 times [2018-11-23 03:05:52,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:52,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:52,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:52,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:52,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:52,214 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 03:05:52,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:05:52,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:05:52,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:05:52,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:05:52,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:05:52,215 INFO L87 Difference]: Start difference. First operand 753 states and 866 transitions. Second operand 3 states. [2018-11-23 03:05:52,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:52,261 INFO L93 Difference]: Finished difference Result 1224 states and 1438 transitions. [2018-11-23 03:05:52,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:05:52,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-23 03:05:52,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:52,265 INFO L225 Difference]: With dead ends: 1224 [2018-11-23 03:05:52,265 INFO L226 Difference]: Without dead ends: 1221 [2018-11-23 03:05:52,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 03:05:52,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2018-11-23 03:05:52,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 891. [2018-11-23 03:05:52,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2018-11-23 03:05:52,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1045 transitions. [2018-11-23 03:05:52,304 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1045 transitions. Word has length 160 [2018-11-23 03:05:52,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:52,304 INFO L480 AbstractCegarLoop]: Abstraction has 891 states and 1045 transitions. [2018-11-23 03:05:52,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:05:52,305 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1045 transitions. [2018-11-23 03:05:52,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-23 03:05:52,307 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:52,307 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:05:52,308 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:52,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:52,308 INFO L82 PathProgramCache]: Analyzing trace with hash -367765079, now seen corresponding path program 1 times [2018-11-23 03:05:52,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:52,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:52,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:52,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:52,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 47 proven. 11 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 03:05:52,400 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:05:52,400 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/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 03:05:52,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:52,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:05:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-23 03:05:52,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:05:52,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-23 03:05:52,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:05:52,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:05:52,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:05:52,586 INFO L87 Difference]: Start difference. First operand 891 states and 1045 transitions. Second operand 6 states. [2018-11-23 03:05:53,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:53,008 INFO L93 Difference]: Finished difference Result 1904 states and 2341 transitions. [2018-11-23 03:05:53,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:05:53,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2018-11-23 03:05:53,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:53,012 INFO L225 Difference]: With dead ends: 1904 [2018-11-23 03:05:53,012 INFO L226 Difference]: Without dead ends: 1161 [2018-11-23 03:05:53,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:05:53,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2018-11-23 03:05:53,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1066. [2018-11-23 03:05:53,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2018-11-23 03:05:53,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1275 transitions. [2018-11-23 03:05:53,061 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1275 transitions. Word has length 224 [2018-11-23 03:05:53,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:53,061 INFO L480 AbstractCegarLoop]: Abstraction has 1066 states and 1275 transitions. [2018-11-23 03:05:53,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:05:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1275 transitions. [2018-11-23 03:05:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-23 03:05:53,064 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:53,065 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:05:53,065 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:53,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:53,065 INFO L82 PathProgramCache]: Analyzing trace with hash 257760553, now seen corresponding path program 1 times [2018-11-23 03:05:53,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:53,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:53,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:53,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:53,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:53,164 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 03:05:53,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:05:53,164 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:05:53,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:53,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:05:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 03:05:53,430 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:05:53,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-23 03:05:53,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 03:05:53,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 03:05:53,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-11-23 03:05:53,432 INFO L87 Difference]: Start difference. First operand 1066 states and 1275 transitions. Second operand 14 states. [2018-11-23 03:05:54,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:54,450 INFO L93 Difference]: Finished difference Result 3037 states and 4180 transitions. [2018-11-23 03:05:54,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 03:05:54,451 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 224 [2018-11-23 03:05:54,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:54,458 INFO L225 Difference]: With dead ends: 3037 [2018-11-23 03:05:54,458 INFO L226 Difference]: Without dead ends: 2123 [2018-11-23 03:05:54,461 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2018-11-23 03:05:54,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2018-11-23 03:05:54,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1658. [2018-11-23 03:05:54,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2018-11-23 03:05:54,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 1984 transitions. [2018-11-23 03:05:54,543 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 1984 transitions. Word has length 224 [2018-11-23 03:05:54,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:54,544 INFO L480 AbstractCegarLoop]: Abstraction has 1658 states and 1984 transitions. [2018-11-23 03:05:54,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 03:05:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1984 transitions. [2018-11-23 03:05:54,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-23 03:05:54,548 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:54,549 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:05:54,549 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:54,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:54,549 INFO L82 PathProgramCache]: Analyzing trace with hash 244826027, now seen corresponding path program 1 times [2018-11-23 03:05:54,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:54,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:54,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:54,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:54,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 03:05:54,670 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:05:54,670 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:05:54,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:54,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:05:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 03:05:54,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:05:54,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 03:05:54,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 03:05:54,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 03:05:54,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:05:54,913 INFO L87 Difference]: Start difference. First operand 1658 states and 1984 transitions. Second operand 13 states. [2018-11-23 03:05:55,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:55,048 INFO L93 Difference]: Finished difference Result 2886 states and 3464 transitions. [2018-11-23 03:05:55,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:05:55,049 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 224 [2018-11-23 03:05:55,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:55,056 INFO L225 Difference]: With dead ends: 2886 [2018-11-23 03:05:55,056 INFO L226 Difference]: Without dead ends: 1542 [2018-11-23 03:05:55,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 03:05:55,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2018-11-23 03:05:55,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1530. [2018-11-23 03:05:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1530 states. [2018-11-23 03:05:55,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1530 states and 1790 transitions. [2018-11-23 03:05:55,160 INFO L78 Accepts]: Start accepts. Automaton has 1530 states and 1790 transitions. Word has length 224 [2018-11-23 03:05:55,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:55,161 INFO L480 AbstractCegarLoop]: Abstraction has 1530 states and 1790 transitions. [2018-11-23 03:05:55,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 03:05:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1790 transitions. [2018-11-23 03:05:55,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 03:05:55,166 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:05:55,166 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 03:05:55,166 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:05:55,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:55,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1474331281, now seen corresponding path program 2 times [2018-11-23 03:05:55,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:05:55,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:05:55,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:55,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:05:55,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:05:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:05:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 03:05:55,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:05:55,302 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:05:55,311 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 03:05:55,448 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 03:05:55,449 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 03:05:55,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:05:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 87 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 03:05:55,583 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:05:55,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 13 [2018-11-23 03:05:55,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 03:05:55,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 03:05:55,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:05:55,585 INFO L87 Difference]: Start difference. First operand 1530 states and 1790 transitions. Second operand 13 states. [2018-11-23 03:05:56,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:05:56,684 INFO L93 Difference]: Finished difference Result 2032 states and 2391 transitions. [2018-11-23 03:05:56,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 03:05:56,685 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2018-11-23 03:05:56,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:05:56,686 INFO L225 Difference]: With dead ends: 2032 [2018-11-23 03:05:56,686 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:05:56,689 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2018-11-23 03:05:56,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:05:56,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:05:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:05:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:05:56,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2018-11-23 03:05:56,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:05:56,691 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:05:56,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 03:05:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:05:56,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:05:56,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:05:56,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:05:57,568 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 37 [2018-11-23 03:05:57,826 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2018-11-23 03:05:58,111 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2018-11-23 03:05:58,361 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2018-11-23 03:05:58,645 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2018-11-23 03:05:58,894 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2018-11-23 03:05:59,586 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2018-11-23 03:05:59,790 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 35 [2018-11-23 03:05:59,979 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2018-11-23 03:06:00,376 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 03:06:00,377 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 03:06:00,377 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 03:06:00,377 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 03:06:00,377 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 03:06:00,377 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~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 03:06:00,377 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2018-11-23 03:06:00,377 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~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 03:06:00,377 INFO L444 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~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 03:06:00,377 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2018-11-23 03:06:00,377 INFO L448 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2018-11-23 03:06:00,377 INFO L448 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2018-11-23 03:06:00,377 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~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 03:06:00,378 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~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 03:06:00,378 INFO L444 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~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 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 464 472) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 464 472) the Hoare annotation is: true [2018-11-23 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 464 472) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 528 546) the Hoare annotation is: true [2018-11-23 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 541) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L451 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2018-11-23 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 528 546) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 528 546) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 03:06:00,378 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 255 265) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~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 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 255 265) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 255 265) no Hoare annotation was computed. [2018-11-23 03:06:00,378 INFO L444 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~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 03:06:00,379 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 453 463) the Hoare annotation is: true [2018-11-23 03:06:00,379 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 453 463) no Hoare annotation was computed. [2018-11-23 03:06:00,379 INFO L451 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2018-11-23 03:06:00,379 INFO L448 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-11-23 03:06:00,379 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 453 463) no Hoare annotation was computed. [2018-11-23 03:06:00,379 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 445 452) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2 (or .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-23 03:06:00,379 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 445 452) no Hoare annotation was computed. [2018-11-23 03:06:00,379 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 445 452) no Hoare annotation was computed. [2018-11-23 03:06:00,379 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| 0)) (.cse5 (or .cse0 .cse11 .cse4)) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2)) (.cse1 (< 1 ~waterLevel~0)) (.cse10 (or .cse11 .cse4 .cse9)) (.cse2 (< ~waterLevel~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse6 .cse7 .cse8) (or .cse1 .cse2 (or .cse3 .cse4 .cse9)) (or .cse5 .cse1 .cse6 .cse2) (or .cse6 .cse10 .cse7 .cse8) (or .cse1 .cse10 .cse2 .cse6)))) [2018-11-23 03:06:00,379 INFO L448 ceAbstractionStarter]: For program point L413-1(lines 394 418) no Hoare annotation was computed. [2018-11-23 03:06:00,380 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (or .cse8 .cse4 .cse2)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or (or .cse4 .cse2 .cse3) .cse5 .cse6) (or .cse7 .cse0 .cse1) (or .cse7 .cse5 .cse6) (or .cse8 .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2018-11-23 03:06:00,380 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 394 418) no Hoare annotation was computed. [2018-11-23 03:06:00,380 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (or .cse10 .cse7 .cse9)) (.cse5 (or .cse6 .cse10 .cse7)) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2)) (.cse0 (< 1 ~waterLevel~0)) (.cse8 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse5 .cse3 .cse4) (or .cse6 .cse0 .cse2 .cse7 (not (= ~methAndRunningLastTime~0 0)) .cse8) (or .cse0 .cse8 .cse2 (or .cse7 .cse9))))) [2018-11-23 03:06:00,380 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 394 418) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse8 .cse9 .cse3)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 (or .cse3 .cse4)) (or .cse5 .cse0 .cse6 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse1 .cse0 .cse2) (or .cse0 (or .cse9 .cse3 .cse4) .cse6 .cse7)))) [2018-11-23 03:06:00,380 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 410) no Hoare annotation was computed. [2018-11-23 03:06:00,380 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (or .cse10 .cse7 .cse8)) (.cse5 (or .cse9 .cse10 .cse7)) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse6 .cse0 .cse2 (or .cse7 .cse8)) (or .cse5 .cse3 .cse4) (or .cse6 .cse9 .cse0 .cse2 .cse7 (not (= ~methAndRunningLastTime~0 0)))))) [2018-11-23 03:06:00,380 INFO L448 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2018-11-23 03:06:00,380 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 415) no Hoare annotation was computed. [2018-11-23 03:06:00,380 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-23 03:06:00,381 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-23 03:06:00,381 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-23 03:06:00,381 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-23 03:06:00,381 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 360 366) no Hoare annotation was computed. [2018-11-23 03:06:00,381 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 360 366) the Hoare annotation is: true [2018-11-23 03:06:00,381 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 578 584) no Hoare annotation was computed. [2018-11-23 03:06:00,381 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 548 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~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 03:06:00,381 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse1 (<= ~waterLevel~0 1) .cse4 .cse2 .cse3) (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse6 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3))) [2018-11-23 03:06:00,381 INFO L444 ceAbstractionStarter]: At program point L601(lines 558 603) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse8 (<= 1 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2 .cse6 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse8 .cse6 .cse4 .cse3) (and (and .cse0 .cse5 .cse7 .cse4 .cse3) .cse8))) [2018-11-23 03:06:00,381 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 574) no Hoare annotation was computed. [2018-11-23 03:06:00,382 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 568 574) no Hoare annotation was computed. [2018-11-23 03:06:00,382 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 548 611) no Hoare annotation was computed. [2018-11-23 03:06:00,382 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 564) no Hoare annotation was computed. [2018-11-23 03:06:00,382 INFO L444 ceAbstractionStarter]: At program point L604(lines 557 605) 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 03:06:00,382 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2018-11-23 03:06:00,382 INFO L444 ceAbstractionStarter]: At program point L594-2(lines 588 599) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse4 .cse3 .cse5) (and (and .cse0 .cse6 (<= ~waterLevel~0 1) .cse3 .cse5) (<= 1 ~waterLevel~0)))) [2018-11-23 03:06:00,382 INFO L448 ceAbstractionStarter]: For program point L559(lines 558 603) no Hoare annotation was computed. [2018-11-23 03:06:00,382 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 599) no Hoare annotation was computed. [2018-11-23 03:06:00,382 INFO L444 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse2 .cse6 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse8 .cse6 .cse4 .cse3) (and (and .cse0 .cse5 .cse7 .cse4 .cse3) .cse8))) [2018-11-23 03:06:00,382 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 548 611) no Hoare annotation was computed. [2018-11-23 03:06:00,383 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 584) no Hoare annotation was computed. [2018-11-23 03:06:00,383 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 419 426) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< 2 ~waterLevel~0) (< ~waterLevel~0 2)) [2018-11-23 03:06:00,383 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 419 426) no Hoare annotation was computed. [2018-11-23 03:06:00,383 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 419 426) no Hoare annotation was computed. [2018-11-23 03:06:00,383 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-23 03:06:00,383 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-23 03:06:00,383 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-23 03:06:00,383 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse4)) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse1 (or .cse3 .cse4 .cse5) .cse2) (or .cse6 .cse7 (or .cse4 .cse5)) (or .cse0 .cse6 .cse7)))) [2018-11-23 03:06:00,383 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2018-11-23 03:06:00,383 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 323) no Hoare annotation was computed. [2018-11-23 03:06:00,383 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (or .cse1 .cse2)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-23 03:06:00,384 INFO L448 ceAbstractionStarter]: For program point L311-1(line 311) no Hoare annotation was computed. [2018-11-23 03:06:00,384 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 326) no Hoare annotation was computed. [2018-11-23 03:06:00,384 INFO L448 ceAbstractionStarter]: For program point L309-1(lines 301 329) no Hoare annotation was computed. [2018-11-23 03:06:00,384 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-11-23 03:06:00,384 INFO L448 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2018-11-23 03:06:00,384 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 301 329) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-11-23 03:06:00,384 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 301 329) no Hoare annotation was computed. [2018-11-23 03:06:00,384 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 293 300) 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 03:06:00,384 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 293 300) no Hoare annotation was computed. [2018-11-23 03:06:00,384 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 293 300) no Hoare annotation was computed. [2018-11-23 03:06:00,384 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:06:00,384 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:06:00,385 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:06:00,385 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse2 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4))) [2018-11-23 03:06:00,385 INFO L448 ceAbstractionStarter]: For program point L433-1(line 433) no Hoare annotation was computed. [2018-11-23 03:06:00,385 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 428 444) no Hoare annotation was computed. [2018-11-23 03:06:00,385 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 428 444) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse2 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4))) [2018-11-23 03:06:00,385 INFO L444 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (and (= activatePump_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3))) [2018-11-23 03:06:00,385 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 428 444) no Hoare annotation was computed. [2018-11-23 03:06:00,385 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-11-23 03:06:00,385 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 509 527) no Hoare annotation was computed. [2018-11-23 03:06:00,385 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2018-11-23 03:06:00,385 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 509 527) the Hoare annotation is: true [2018-11-23 03:06:00,386 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 509 527) no Hoare annotation was computed. [2018-11-23 03:06:00,386 INFO L451 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2018-11-23 03:06:00,386 INFO L448 ceAbstractionStarter]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2018-11-23 03:06:00,386 INFO L448 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2018-11-23 03:06:00,386 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse1 .cse2 .cse3 .cse4) (or (or .cse7 .cse3 (not (= ~waterLevel~0 1)) .cse4 .cse5) .cse0) (or .cse6 (< 1 ~waterLevel~0) .cse7 (< ~waterLevel~0 1) .cse8 .cse3 .cse4))) [2018-11-23 03:06:00,386 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-23 03:06:00,386 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-23 03:06:00,386 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (let ((.cse14 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse13 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (= 0 ~pumpRunning~0) .cse14 .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~waterLevel~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse11 .cse12 (or .cse3 .cse13)) (or .cse1 (< 1 |old(~waterLevel~0)|) .cse2 (and .cse14 .cse10) (< |old(~waterLevel~0)| 1) .cse3 .cse5) (or (or .cse2 .cse3 .cse4 .cse5 .cse13) (and .cse14 .cse0 .cse10)) (or .cse1 .cse6 .cse11 .cse12 .cse3 (and .cse7 .cse8 .cse9 .cse0 .cse10) .cse5)))) [2018-11-23 03:06:00,387 INFO L444 ceAbstractionStarter]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse14 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse3 (<= 1 ~waterLevel~0)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse15)) (.cse9 (not .cse14)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (and .cse1 .cse0 .cse14 .cse15)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~systemActive~0 1))) (.cse12 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2 .cse3) .cse4 .cse5 (or .cse6 .cse7)) (or .cse8 (or .cse9 .cse10 .cse6 .cse11 .cse12)) (or .cse9 .cse13 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6 .cse12) (or (or .cse10 .cse6 .cse11 .cse12 .cse7) .cse8) (or .cse9 .cse10 .cse13 .cse4 .cse5 .cse6 .cse12)))) [2018-11-23 03:06:00,387 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (and (not (= |old(~pumpRunning~0)| 0)) .cse8 .cse9) (or .cse3 .cse5)) (or .cse10 .cse1 .cse6 .cse7 .cse3 .cse4) (or .cse10 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse10 .cse6 (and .cse8 (= 0 ~methAndRunningLastTime~0) .cse9) .cse7 .cse3 .cse4))) [2018-11-23 03:06:00,387 INFO L448 ceAbstractionStarter]: For program point L340(lines 339 358) no Hoare annotation was computed. [2018-11-23 03:06:00,387 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 336 359) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse0 .cse10 .cse1))) (and (or (and .cse0 .cse1) .cse2 .cse3 (or .cse4 .cse5)) (or .cse6 .cse7 .cse2 .cse3 .cse4 .cse8) (or .cse9 .cse2 .cse3 .cse4 .cse8 .cse5 .cse10) (or .cse6 (< 1 |old(~waterLevel~0)|) .cse9 (< |old(~waterLevel~0)| 1) .cse7 .cse4 .cse8) (or (or .cse9 .cse4 (not (= |old(~waterLevel~0)| 1)) .cse8 .cse5) .cse7)))) [2018-11-23 03:06:00,387 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 336 359) no Hoare annotation was computed. [2018-11-23 03:06:00,387 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 336 359) no Hoare annotation was computed. [2018-11-23 03:06:00,387 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 191 220) no Hoare annotation was computed. [2018-11-23 03:06:00,387 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 191 220) the Hoare annotation is: true [2018-11-23 03:06:00,387 INFO L451 ceAbstractionStarter]: At program point L216(lines 191 220) the Hoare annotation is: true [2018-11-23 03:06:00,387 INFO L448 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-11-23 03:06:00,388 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2018-11-23 03:06:00,388 INFO L451 ceAbstractionStarter]: At program point L205-1(lines 205 209) the Hoare annotation is: true [2018-11-23 03:06:00,388 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 03:06:00,388 INFO L451 ceAbstractionStarter]: At program point L201-2(lines 201 215) the Hoare annotation is: true [2018-11-23 03:06:00,388 INFO L451 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2018-11-23 03:06:00,388 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-11-23 03:06:00,388 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-23 03:06:00,388 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-23 03:06:00,388 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-23 03:06:00,388 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 03:06:00,388 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-23 03:06:00,388 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-23 03:06:00,389 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 246 252) no Hoare annotation was computed. [2018-11-23 03:06:00,389 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 246 252) the Hoare annotation is: true [2018-11-23 03:06:00,389 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:06:00,389 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 03:06:00,389 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:06:00,389 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:06:00,389 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 368 392) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (< 1 ~waterLevel~0)) (.cse6 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse1 .cse6 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse1)))) [2018-11-23 03:06:00,389 INFO L444 ceAbstractionStarter]: At program point L382(line 382) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse4 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 1)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse1 .cse2) (or .cse5 .cse4 .cse3 .cse6) (or .cse0 .cse5 .cse6 .cse3)))) [2018-11-23 03:06:00,389 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 368 392) no Hoare annotation was computed. [2018-11-23 03:06:00,389 INFO L444 ceAbstractionStarter]: At program point L378(line 378) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse4 .cse1 .cse5 .cse6)))) [2018-11-23 03:06:00,390 INFO L448 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2018-11-23 03:06:00,390 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (< 1 ~waterLevel~0)) (.cse6 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse1 .cse6 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse1)))) [2018-11-23 03:06:00,390 INFO L448 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2018-11-23 03:06:00,390 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 389) no Hoare annotation was computed. [2018-11-23 03:06:00,390 INFO L444 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse6 .cse7 (not (= ~methaneLevelCritical~0 0)))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse5 (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse7)) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse5 .cse3 .cse4)))) [2018-11-23 03:06:00,390 INFO L448 ceAbstractionStarter]: For program point L387-1(lines 368 392) no Hoare annotation was computed. [2018-11-23 03:06:00,390 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-23 03:06:00,390 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-23 03:06:00,390 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (< |old(~waterLevel~0)| 1)) (.cse7 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse5 .cse0 .cse7 .cse2 .cse3) (or .cse6 .cse8 .cse5 .cse9 .cse7 .cse3) (or .cse8 .cse5 .cse9 .cse7 .cse3 .cse4)))) [2018-11-23 03:06:00,391 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 979 986) no Hoare annotation was computed. [2018-11-23 03:06:00,391 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 979 986) the Hoare annotation is: true [2018-11-23 03:06:00,391 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-11-23 03:06:00,391 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 979 986) no Hoare annotation was computed. [2018-11-23 03:06:00,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:06:00 BoogieIcfgContainer [2018-11-23 03:06:00,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:06:00,401 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:06:00,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:06:00,402 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:06:00,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:48" (3/4) ... [2018-11-23 03:06:00,405 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:06:00,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:06:00,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:06:00,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:06:00,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 03:06:00,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:06:00,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:06:00,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:06:00,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 03:06:00,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 03:06:00,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:06:00,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:06:00,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:06:00,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:06:00,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:06:00,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:06:00,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:06:00,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:06:00,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:06:00,423 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 03:06:00,423 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:06:00,424 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:06:00,424 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:06:00,424 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:06:00,425 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:06:00,425 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:06:00,452 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(systemActive == 1)) || (((((0 == pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel) [2018-11-23 03:06:00,452 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 03:06:00,483 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e4de3f12-0d36-4032-9c63-a6b8e3045962/bin-2019/uautomizer/witness.graphml [2018-11-23 03:06:00,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:06:00,483 INFO L168 Benchmark]: Toolchain (without parser) took 13327.07 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 454.6 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 327.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:00,484 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:06:00,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:00,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:06:00,484 INFO L168 Benchmark]: Boogie Preprocessor took 40.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:00,485 INFO L168 Benchmark]: RCFGBuilder took 466.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:00,485 INFO L168 Benchmark]: TraceAbstraction took 12311.69 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 319.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -34.1 MB). Peak memory consumption was 548.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:00,485 INFO L168 Benchmark]: Witness Printer took 81.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:06:00,486 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 466.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12311.69 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 319.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -34.1 MB). Peak memory consumption was 548.2 MB. Max. memory is 11.5 GB. * Witness Printer took 81.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: 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: 558]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(systemActive == 1)) || (((((0 == pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 12.2s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2859 SDtfs, 2800 SDslu, 7577 SDs, 0 SdLazy, 4945 SolverSat, 1302 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1201 GetRequests, 1054 SyntacticMatches, 4 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1658occurred in iteration=13, 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: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 1046 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3946 PreInvPairs, 4045 NumberOfFragments, 3326 HoareAnnotationTreeSize, 3946 FomulaSimplifications, 14106 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 65 FomulaSimplificationsInter, 15396 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2845 NumberOfCodeBlocks, 2845 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2825 ConstructedInterpolants, 0 QuantifiedInterpolants, 719199 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4976 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 977/1070 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...