./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f8c4eddf293b722c8b0f77d2921f647762d8744 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:14:58,749 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:14:58,751 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:14:58,760 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:14:58,761 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:14:58,761 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:14:58,762 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:14:58,764 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:14:58,765 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:14:58,766 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:14:58,766 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:14:58,767 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:14:58,767 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:14:58,768 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:14:58,769 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:14:58,770 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:14:58,770 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:14:58,772 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:14:58,773 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:14:58,774 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:14:58,775 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:14:58,776 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:14:58,778 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:14:58,778 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:14:58,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:14:58,779 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:14:58,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:14:58,780 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:14:58,781 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:14:58,782 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:14:58,782 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:14:58,783 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:14:58,783 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:14:58,783 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:14:58,784 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:14:58,784 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:14:58,785 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:14:58,795 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:14:58,795 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:14:58,796 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:14:58,796 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:14:58,797 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:14:58,797 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:14:58,797 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:14:58,797 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:14:58,797 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:14:58,797 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:14:58,797 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:14:58,798 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:14:58,798 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:14:58,798 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:14:58,798 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:14:58,798 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:14:58,798 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:14:58,798 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:14:58,799 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:14:58,799 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:14:58,799 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:14:58,799 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:14:58,799 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:14:58,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:14:58,800 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:14:58,800 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:14:58,800 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:14:58,800 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:14:58,800 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:14:58,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:14:58,800 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_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f8c4eddf293b722c8b0f77d2921f647762d8744 [2018-11-28 11:14:58,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:14:58,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:14:58,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:14:58,839 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:14:58,839 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:14:58,840 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-28 11:14:58,882 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/data/6976d1ff6/c5668bed2fcb4bdd98a6b9838b7fdd0d/FLAGb1332beec [2018-11-28 11:14:59,242 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:14:59,243 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-28 11:14:59,254 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/data/6976d1ff6/c5668bed2fcb4bdd98a6b9838b7fdd0d/FLAGb1332beec [2018-11-28 11:14:59,645 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/data/6976d1ff6/c5668bed2fcb4bdd98a6b9838b7fdd0d [2018-11-28 11:14:59,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:14:59,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:14:59,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:14:59,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:14:59,651 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:14:59,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:14:59" (1/1) ... [2018-11-28 11:14:59,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fd5053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:14:59, skipping insertion in model container [2018-11-28 11:14:59,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:14:59" (1/1) ... [2018-11-28 11:14:59,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:14:59,689 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:14:59,894 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:14:59,906 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:15:00,009 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:15:00,025 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:15:00,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00 WrapperNode [2018-11-28 11:15:00,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:15:00,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:15:00,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:15:00,026 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:15:00,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (1/1) ... [2018-11-28 11:15:00,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (1/1) ... [2018-11-28 11:15:00,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:15:00,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:15:00,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:15:00,047 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:15:00,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (1/1) ... [2018-11-28 11:15:00,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (1/1) ... [2018-11-28 11:15:00,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (1/1) ... [2018-11-28 11:15:00,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (1/1) ... [2018-11-28 11:15:00,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (1/1) ... [2018-11-28 11:15:00,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (1/1) ... [2018-11-28 11:15:00,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (1/1) ... [2018-11-28 11:15:00,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:15:00,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:15:00,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:15:00,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:15:00,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/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 [2018-11-28 11:15:00,114 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:15:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:15:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:15:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:15:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:15:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:15:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:15:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:15:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:15:00,115 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:15:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:15:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:15:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:15:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:15:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:15:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:15:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:15:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:15:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:15:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:15:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:15:00,116 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:15:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:15:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:15:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:15:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:15:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:15:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:15:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:15:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:15:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:15:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:15:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:15:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:15:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:15:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:15:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:15:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:15:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:15:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:15:00,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:15:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:15:00,119 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:15:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:15:00,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:15:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:15:00,119 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:15:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:15:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:15:00,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:15:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:15:00,120 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:15:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:15:00,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:15:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:15:00,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:15:00,550 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:15:00,550 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:15:00,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:00 BoogieIcfgContainer [2018-11-28 11:15:00,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:15:00,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:15:00,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:15:00,553 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:15:00,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:14:59" (1/3) ... [2018-11-28 11:15:00,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea294b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:15:00, skipping insertion in model container [2018-11-28 11:15:00,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:00" (2/3) ... [2018-11-28 11:15:00,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea294b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:15:00, skipping insertion in model container [2018-11-28 11:15:00,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:00" (3/3) ... [2018-11-28 11:15:00,558 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-28 11:15:00,565 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:15:00,571 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:15:00,581 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:15:00,604 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:15:00,605 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:15:00,605 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:15:00,605 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:15:00,605 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:15:00,605 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:15:00,605 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:15:00,605 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:15:00,606 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:15:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-11-28 11:15:00,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 11:15:00,627 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:00,628 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] [2018-11-28 11:15:00,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:00,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:00,634 INFO L82 PathProgramCache]: Analyzing trace with hash -47045203, now seen corresponding path program 1 times [2018-11-28 11:15:00,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:00,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:00,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:00,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:00,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:00,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:00,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:15:00,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:15:00,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:15:00,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:15:00,844 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-11-28 11:15:00,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:00,871 INFO L93 Difference]: Finished difference Result 252 states and 315 transitions. [2018-11-28 11:15:00,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:15:00,872 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 11:15:00,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:00,880 INFO L225 Difference]: With dead ends: 252 [2018-11-28 11:15:00,880 INFO L226 Difference]: Without dead ends: 128 [2018-11-28 11:15:00,883 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 [2018-11-28 11:15:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-28 11:15:00,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-28 11:15:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-28 11:15:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2018-11-28 11:15:00,920 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2018-11-28 11:15:00,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:00,920 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2018-11-28 11:15:00,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:15:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2018-11-28 11:15:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:15:00,923 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:00,924 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] [2018-11-28 11:15:00,924 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:00,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:00,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1778182562, now seen corresponding path program 1 times [2018-11-28 11:15:00,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:00,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:00,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:00,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:00,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:01,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:01,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:01,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:15:01,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:15:01,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:15:01,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:15:01,023 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2018-11-28 11:15:01,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:01,042 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2018-11-28 11:15:01,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:15:01,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 11:15:01,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:01,044 INFO L225 Difference]: With dead ends: 201 [2018-11-28 11:15:01,044 INFO L226 Difference]: Without dead ends: 119 [2018-11-28 11:15:01,045 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 [2018-11-28 11:15:01,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-28 11:15:01,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-28 11:15:01,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-28 11:15:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-11-28 11:15:01,056 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2018-11-28 11:15:01,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:01,057 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-11-28 11:15:01,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:15:01,057 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-11-28 11:15:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 11:15:01,058 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:01,058 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] [2018-11-28 11:15:01,059 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:01,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:01,059 INFO L82 PathProgramCache]: Analyzing trace with hash -236607735, now seen corresponding path program 1 times [2018-11-28 11:15:01,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:01,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:01,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:01,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:01,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:01,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:01,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:15:01,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:15:01,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:15:01,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:15:01,179 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2018-11-28 11:15:01,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:01,516 INFO L93 Difference]: Finished difference Result 210 states and 251 transitions. [2018-11-28 11:15:01,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:15:01,517 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 11:15:01,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:01,518 INFO L225 Difference]: With dead ends: 210 [2018-11-28 11:15:01,519 INFO L226 Difference]: Without dead ends: 119 [2018-11-28 11:15:01,520 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 [2018-11-28 11:15:01,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-28 11:15:01,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-28 11:15:01,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-28 11:15:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2018-11-28 11:15:01,532 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2018-11-28 11:15:01,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:01,535 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2018-11-28 11:15:01,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:15:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2018-11-28 11:15:01,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-28 11:15:01,538 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:01,538 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] [2018-11-28 11:15:01,538 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:01,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:01,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1269437359, now seen corresponding path program 1 times [2018-11-28 11:15:01,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:01,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:01,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:01,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:01,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:01,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:01,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:15:01,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:15:01,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:15:01,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:15:01,643 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2018-11-28 11:15:02,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:02,056 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2018-11-28 11:15:02,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:15:02,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-28 11:15:02,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:02,060 INFO L225 Difference]: With dead ends: 306 [2018-11-28 11:15:02,060 INFO L226 Difference]: Without dead ends: 215 [2018-11-28 11:15:02,061 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 [2018-11-28 11:15:02,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-11-28 11:15:02,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 197. [2018-11-28 11:15:02,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-28 11:15:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2018-11-28 11:15:02,089 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2018-11-28 11:15:02,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:02,091 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2018-11-28 11:15:02,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:15:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2018-11-28 11:15:02,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 11:15:02,093 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:02,093 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] [2018-11-28 11:15:02,094 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:02,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:02,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1348279355, now seen corresponding path program 1 times [2018-11-28 11:15:02,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:02,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:02,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:02,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:02,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:02,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:02,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:15:02,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:15:02,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:15:02,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:15:02,231 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 8 states. [2018-11-28 11:15:02,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:02,283 INFO L93 Difference]: Finished difference Result 373 states and 443 transitions. [2018-11-28 11:15:02,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:15:02,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-11-28 11:15:02,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:02,287 INFO L225 Difference]: With dead ends: 373 [2018-11-28 11:15:02,287 INFO L226 Difference]: Without dead ends: 204 [2018-11-28 11:15:02,288 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 [2018-11-28 11:15:02,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-11-28 11:15:02,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 201. [2018-11-28 11:15:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-28 11:15:02,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 231 transitions. [2018-11-28 11:15:02,308 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 231 transitions. Word has length 83 [2018-11-28 11:15:02,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:02,308 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 231 transitions. [2018-11-28 11:15:02,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:15:02,308 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 231 transitions. [2018-11-28 11:15:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 11:15:02,311 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:02,311 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] [2018-11-28 11:15:02,311 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:02,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:02,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1370911609, now seen corresponding path program 1 times [2018-11-28 11:15:02,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:02,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:02,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:02,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:02,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:02,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:02,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:15:02,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:15:02,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:15:02,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:15:02,385 INFO L87 Difference]: Start difference. First operand 201 states and 231 transitions. Second operand 6 states. [2018-11-28 11:15:02,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:02,581 INFO L93 Difference]: Finished difference Result 529 states and 629 transitions. [2018-11-28 11:15:02,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:15:02,582 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 11:15:02,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:02,585 INFO L225 Difference]: With dead ends: 529 [2018-11-28 11:15:02,585 INFO L226 Difference]: Without dead ends: 356 [2018-11-28 11:15:02,587 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 [2018-11-28 11:15:02,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-28 11:15:02,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 350. [2018-11-28 11:15:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-11-28 11:15:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 402 transitions. [2018-11-28 11:15:02,612 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 402 transitions. Word has length 83 [2018-11-28 11:15:02,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:02,612 INFO L480 AbstractCegarLoop]: Abstraction has 350 states and 402 transitions. [2018-11-28 11:15:02,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:15:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 402 transitions. [2018-11-28 11:15:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-28 11:15:02,614 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:02,614 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] [2018-11-28 11:15:02,616 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:02,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:02,616 INFO L82 PathProgramCache]: Analyzing trace with hash -21266901, now seen corresponding path program 1 times [2018-11-28 11:15:02,616 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:02,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:02,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:02,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:02,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:02,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:02,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:15:02,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:15:02,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:15:02,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:15:02,713 INFO L87 Difference]: Start difference. First operand 350 states and 402 transitions. Second operand 7 states. [2018-11-28 11:15:03,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:03,200 INFO L93 Difference]: Finished difference Result 701 states and 828 transitions. [2018-11-28 11:15:03,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:15:03,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-28 11:15:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:03,206 INFO L225 Difference]: With dead ends: 701 [2018-11-28 11:15:03,206 INFO L226 Difference]: Without dead ends: 379 [2018-11-28 11:15:03,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:15:03,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-28 11:15:03,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 349. [2018-11-28 11:15:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-11-28 11:15:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 399 transitions. [2018-11-28 11:15:03,230 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 399 transitions. Word has length 87 [2018-11-28 11:15:03,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:03,231 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 399 transitions. [2018-11-28 11:15:03,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:15:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 399 transitions. [2018-11-28 11:15:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:15:03,232 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:03,232 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:15:03,233 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:03,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:03,233 INFO L82 PathProgramCache]: Analyzing trace with hash -345672316, now seen corresponding path program 1 times [2018-11-28 11:15:03,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:03,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:03,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:03,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:03,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:03,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:03,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:15:03,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:15:03,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:15:03,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:15:03,314 INFO L87 Difference]: Start difference. First operand 349 states and 399 transitions. Second operand 6 states. [2018-11-28 11:15:03,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:03,352 INFO L93 Difference]: Finished difference Result 680 states and 790 transitions. [2018-11-28 11:15:03,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:15:03,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-28 11:15:03,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:03,355 INFO L225 Difference]: With dead ends: 680 [2018-11-28 11:15:03,355 INFO L226 Difference]: Without dead ends: 359 [2018-11-28 11:15:03,356 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 [2018-11-28 11:15:03,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-11-28 11:15:03,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-11-28 11:15:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-11-28 11:15:03,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2018-11-28 11:15:03,377 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2018-11-28 11:15:03,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:03,378 INFO L480 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2018-11-28 11:15:03,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:15:03,379 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2018-11-28 11:15:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 11:15:03,380 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:03,380 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:15:03,380 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:03,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:03,381 INFO L82 PathProgramCache]: Analyzing trace with hash 2081408455, now seen corresponding path program 1 times [2018-11-28 11:15:03,381 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:03,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:03,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:03,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:03,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:03,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:03,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:15:03,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:15:03,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:15:03,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:15:03,439 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 4 states. [2018-11-28 11:15:03,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:03,688 INFO L93 Difference]: Finished difference Result 1076 states and 1296 transitions. [2018-11-28 11:15:03,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:15:03,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-28 11:15:03,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:03,693 INFO L225 Difference]: With dead ends: 1076 [2018-11-28 11:15:03,693 INFO L226 Difference]: Without dead ends: 745 [2018-11-28 11:15:03,695 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 [2018-11-28 11:15:03,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-28 11:15:03,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 483. [2018-11-28 11:15:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-11-28 11:15:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 546 transitions. [2018-11-28 11:15:03,735 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 546 transitions. Word has length 88 [2018-11-28 11:15:03,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:03,735 INFO L480 AbstractCegarLoop]: Abstraction has 483 states and 546 transitions. [2018-11-28 11:15:03,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:15:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 546 transitions. [2018-11-28 11:15:03,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 11:15:03,737 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:03,737 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:15:03,737 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:03,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:03,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1819438657, now seen corresponding path program 1 times [2018-11-28 11:15:03,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:03,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:03,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:03,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:03,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:03,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:15:03,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:15:03,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:15:03,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:15:03,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:15:03,797 INFO L87 Difference]: Start difference. First operand 483 states and 546 transitions. Second operand 3 states. [2018-11-28 11:15:03,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:03,855 INFO L93 Difference]: Finished difference Result 744 states and 856 transitions. [2018-11-28 11:15:03,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:15:03,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-28 11:15:03,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:03,859 INFO L225 Difference]: With dead ends: 744 [2018-11-28 11:15:03,860 INFO L226 Difference]: Without dead ends: 741 [2018-11-28 11:15:03,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:15:03,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-28 11:15:03,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 619. [2018-11-28 11:15:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-11-28 11:15:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 710 transitions. [2018-11-28 11:15:03,902 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 710 transitions. Word has length 92 [2018-11-28 11:15:03,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:03,903 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 710 transitions. [2018-11-28 11:15:03,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:15:03,903 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 710 transitions. [2018-11-28 11:15:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-28 11:15:03,906 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:03,906 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:15:03,907 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:03,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:03,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1243590183, now seen corresponding path program 1 times [2018-11-28 11:15:03,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:03,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:03,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:03,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:03,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 11:15:04,019 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:15:04,019 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/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 [2018-11-28 11:15:04,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:04,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:15:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 11:15:04,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:15:04,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 11:15:04,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 11:15:04,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 11:15:04,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:15:04,398 INFO L87 Difference]: Start difference. First operand 619 states and 710 transitions. Second operand 19 states. [2018-11-28 11:15:05,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:05,651 INFO L93 Difference]: Finished difference Result 1147 states and 1326 transitions. [2018-11-28 11:15:05,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:15:05,651 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 150 [2018-11-28 11:15:05,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:05,653 INFO L225 Difference]: With dead ends: 1147 [2018-11-28 11:15:05,653 INFO L226 Difference]: Without dead ends: 556 [2018-11-28 11:15:05,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 11:15:05,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-11-28 11:15:05,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 527. [2018-11-28 11:15:05,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-11-28 11:15:05,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 595 transitions. [2018-11-28 11:15:05,680 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 595 transitions. Word has length 150 [2018-11-28 11:15:05,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:05,680 INFO L480 AbstractCegarLoop]: Abstraction has 527 states and 595 transitions. [2018-11-28 11:15:05,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 11:15:05,681 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 595 transitions. [2018-11-28 11:15:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-28 11:15:05,683 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:15:05,683 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:15:05,684 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:15:05,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:15:05,684 INFO L82 PathProgramCache]: Analyzing trace with hash -294954383, now seen corresponding path program 1 times [2018-11-28 11:15:05,684 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:15:05,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:15:05,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:05,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:05,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:15:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 11:15:05,753 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:15:05,753 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/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 [2018-11-28 11:15:05,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:15:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:15:05,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:15:05,879 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:15:05,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:15:05,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-28 11:15:05,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:15:05,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:15:05,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:15:05,897 INFO L87 Difference]: Start difference. First operand 527 states and 595 transitions. Second operand 8 states. [2018-11-28 11:15:05,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:15:05,975 INFO L93 Difference]: Finished difference Result 843 states and 961 transitions. [2018-11-28 11:15:05,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:15:05,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-11-28 11:15:05,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:15:05,976 INFO L225 Difference]: With dead ends: 843 [2018-11-28 11:15:05,976 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:15:05,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:15:05,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:15:05,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:15:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:15:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:15:05,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-11-28 11:15:05,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:15:05,978 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:15:05,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:15:05,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:15:05,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:15:05,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:15:06,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:15:06,419 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2018-11-28 11:15:06,750 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2018-11-28 11:15:07,109 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-11-28 11:15:07,770 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2018-11-28 11:15:08,491 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2018-11-28 11:15:08,491 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2018-11-28 11:15:08,491 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2018-11-28 11:15:08,492 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2018-11-28 11:15:08,492 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2018-11-28 11:15:08,492 INFO L444 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:15:08,492 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:15:08,492 INFO L444 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:15:08,492 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2018-11-28 11:15:08,492 INFO L448 ceAbstractionStarter]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2018-11-28 11:15:08,492 INFO L448 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2018-11-28 11:15:08,492 INFO L444 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:15:08,493 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2018-11-28 11:15:08,493 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:15:08,493 INFO L444 ceAbstractionStarter]: At program point L888-1(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:15:08,493 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2018-11-28 11:15:08,493 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2018-11-28 11:15:08,493 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2018-11-28 11:15:08,493 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2018-11-28 11:15:08,493 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2018-11-28 11:15:08,493 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2018-11-28 11:15:08,493 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 868 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:15:08,493 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2018-11-28 11:15:08,494 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:15:08,494 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2018-11-28 11:15:08,494 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2018-11-28 11:15:08,494 INFO L451 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-11-28 11:15:08,494 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-28 11:15:08,494 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2018-11-28 11:15:08,494 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2018-11-28 11:15:08,494 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (or (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1))) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:15:08,494 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2018-11-28 11:15:08,494 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2018-11-28 11:15:08,494 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2018-11-28 11:15:08,494 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-11-28 11:15:08,495 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2018-11-28 11:15:08,495 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2018-11-28 11:15:08,495 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2018-11-28 11:15:08,495 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 (and (= processEnvironment_~tmp~1 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse4) (or (or .cse0 .cse3) .cse2) (or .cse1 .cse4)))) [2018-11-28 11:15:08,495 INFO L444 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (and (= processEnvironment_~tmp~1 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse2) .cse3) (or .cse1 .cse4) (or .cse3 .cse2 .cse4)))) [2018-11-28 11:15:08,495 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-11-28 11:15:08,495 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2018-11-28 11:15:08,495 INFO L444 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or (or .cse0 .cse5) .cse4 .cse3)))) [2018-11-28 11:15:08,495 INFO L448 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-28 11:15:08,495 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or (or .cse0 .cse5) .cse4 .cse2)))) [2018-11-28 11:15:08,495 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-11-28 11:15:08,495 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3) .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-11-28 11:15:08,495 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2018-11-28 11:15:08,496 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2018-11-28 11:15:08,496 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:15:08,496 INFO L444 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:15:08,496 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2018-11-28 11:15:08,496 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-11-28 11:15:08,496 INFO L444 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse3 .cse2 .cse5) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2))) [2018-11-28 11:15:08,496 INFO L448 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2018-11-28 11:15:08,496 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2018-11-28 11:15:08,496 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-28 11:15:08,497 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-11-28 11:15:08,497 INFO L448 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2018-11-28 11:15:08,497 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-28 11:15:08,497 INFO L444 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-28 11:15:08,497 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-11-28 11:15:08,497 INFO L448 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2018-11-28 11:15:08,497 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2018-11-28 11:15:08,497 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2018-11-28 11:15:08,497 INFO L444 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-11-28 11:15:08,497 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2018-11-28 11:15:08,498 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2018-11-28 11:15:08,498 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-11-28 11:15:08,498 INFO L448 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-11-28 11:15:08,498 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2018-11-28 11:15:08,498 INFO L448 ceAbstractionStarter]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2018-11-28 11:15:08,498 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-28 11:15:08,498 INFO L448 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-11-28 11:15:08,498 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-28 11:15:08,498 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2018-11-28 11:15:08,499 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 298 305) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 11:15:08,499 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2018-11-28 11:15:08,499 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2018-11-28 11:15:08,499 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:15:08,499 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 11:15:08,499 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:15:08,499 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2018-11-28 11:15:08,499 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2018-11-28 11:15:08,499 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 136 143) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 11:15:08,499 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2018-11-28 11:15:08,499 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2018-11-28 11:15:08,499 INFO L451 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2018-11-28 11:15:08,499 INFO L448 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2018-11-28 11:15:08,500 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-11-28 11:15:08,500 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2018-11-28 11:15:08,500 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2018-11-28 11:15:08,500 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2018-11-28 11:15:08,500 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or (or .cse0 .cse6) .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-11-28 11:15:08,500 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2018-11-28 11:15:08,500 INFO L451 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-11-28 11:15:08,500 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-11-28 11:15:08,500 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-11-28 11:15:08,500 INFO L448 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-11-28 11:15:08,501 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-11-28 11:15:08,501 INFO L451 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-11-28 11:15:08,501 INFO L448 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-11-28 11:15:08,501 INFO L451 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2018-11-28 11:15:08,501 INFO L451 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-11-28 11:15:08,501 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-28 11:15:08,501 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2018-11-28 11:15:08,501 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2018-11-28 11:15:08,501 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2018-11-28 11:15:08,501 INFO L444 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (or .cse10 .cse1)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (and (= 1 ~waterLevel~0) .cse9))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse3 (and .cse6 .cse7) .cse8 .cse4) (or .cse0 .cse3 .cse5 (and .cse6 .cse7 .cse9) .cse8) (or .cse10 .cse11 .cse1 .cse12 .cse8 .cse4) (or .cse0 .cse10 .cse1 .cse12 .cse8 .cse11)))) [2018-11-28 11:15:08,501 INFO L444 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 .cse4 .cse5)))) [2018-11-28 11:15:08,501 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-11-28 11:15:08,501 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-11-28 11:15:08,501 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-11-28 11:15:08,501 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-11-28 11:15:08,501 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-11-28 11:15:08,502 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: true [2018-11-28 11:15:08,502 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2018-11-28 11:15:08,502 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2018-11-28 11:15:08,502 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-11-28 11:15:08,502 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-11-28 11:15:08,502 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:15:08,502 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 11:15:08,502 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:15:08,502 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:15:08,502 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 11:15:08,502 INFO L444 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 11:15:08,502 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-11-28 11:15:08,502 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2018-11-28 11:15:08,502 INFO L444 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 11:15:08,502 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-11-28 11:15:08,502 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-11-28 11:15:08,502 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-28 11:15:08,502 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-11-28 11:15:08,502 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0)) .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 .cse1 .cse3)))) [2018-11-28 11:15:08,503 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2018-11-28 11:15:08,503 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-11-28 11:15:08,503 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2018-11-28 11:15:08,503 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2018-11-28 11:15:08,503 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2018-11-28 11:15:08,503 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2018-11-28 11:15:08,503 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2018-11-28 11:15:08,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:15:08 BoogieIcfgContainer [2018-11-28 11:15:08,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:15:08,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:15:08,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:15:08,515 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:15:08,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:00" (3/4) ... [2018-11-28 11:15:08,519 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:15:08,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:15:08,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:15:08,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:15:08,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:15:08,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:15:08,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:15:08,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:15:08,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:15:08,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:15:08,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:15:08,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:15:08,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:15:08,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:15:08,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 11:15:08,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:15:08,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:15:08,537 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:15:08,537 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:15:08,537 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:15:08,557 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-11-28 11:15:08,557 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:15:08,590 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f847b249-21b8-4444-8388-5009a3a4954c/bin-2019/uautomizer/witness.graphml [2018-11-28 11:15:08,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:15:08,591 INFO L168 Benchmark]: Toolchain (without parser) took 8943.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.0 MB). Free memory was 950.6 MB in the beginning and 923.1 MB in the end (delta: 27.6 MB). Peak memory consumption was 254.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,591 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:15:08,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.43 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. [2018-11-28 11:15:08,592 INFO L168 Benchmark]: Boogie Preprocessor took 24.06 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. [2018-11-28 11:15:08,592 INFO L168 Benchmark]: RCFGBuilder took 479.54 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,592 INFO L168 Benchmark]: TraceAbstraction took 7963.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 930.8 MB in the end (delta: 135.8 MB). Peak memory consumption was 336.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,593 INFO L168 Benchmark]: Witness Printer took 75.41 ms. Allocated memory is still 1.3 GB. Free memory was 930.8 MB in the beginning and 923.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:15:08,594 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.43 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. * Boogie Preprocessor took 24.06 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 479.54 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7963.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 930.8 MB in the end (delta: 135.8 MB). Peak memory consumption was 336.2 MB. Max. memory is 11.5 GB. * Witness Printer took 75.41 ms. Allocated memory is still 1.3 GB. Free memory was 930.8 MB in the beginning and 923.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 141 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1908 SDtfs, 1244 SDslu, 5862 SDs, 0 SdLazy, 2092 SolverSat, 304 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 431 GetRequests, 345 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 470 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1246 PreInvPairs, 1296 NumberOfFragments, 2261 HoareAnnotationTreeSize, 1246 FomulaSimplifications, 5222 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 7259 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1349 NumberOfCodeBlocks, 1349 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1335 ConstructedInterpolants, 0 QuantifiedInterpolants, 244167 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1754 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 182/190 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...