./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/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 ae33dcba0147a107c551c432e2bfc2c49f1e3070 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:25:16,890 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:25:16,891 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:25:16,900 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:25:16,900 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:25:16,901 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:25:16,902 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:25:16,903 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:25:16,904 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:25:16,904 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:25:16,905 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:25:16,905 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:25:16,906 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:25:16,907 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:25:16,907 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:25:16,908 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:25:16,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:25:16,910 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:25:16,911 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:25:16,913 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:25:16,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:25:16,914 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:25:16,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:25:16,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:25:16,916 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:25:16,917 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:25:16,918 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:25:16,918 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:25:16,919 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:25:16,920 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:25:16,920 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:25:16,921 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:25:16,921 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:25:16,921 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:25:16,922 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:25:16,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:25:16,922 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 05:25:16,932 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:25:16,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:25:16,933 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:25:16,933 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:25:16,934 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:25:16,934 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:25:16,934 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 05:25:16,934 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:25:16,934 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:25:16,934 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:25:16,935 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:25:16,935 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:25:16,935 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:25:16,935 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:25:16,935 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:25:16,935 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:25:16,935 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:25:16,936 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:25:16,936 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:25:16,936 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:25:16,936 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:25:16,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:25:16,936 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:25:16,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:25:16,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:25:16,937 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:25:16,937 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:25:16,937 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 05:25:16,937 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:25:16,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:25:16,937 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_e1815638-6869-47ed-a374-d675826eb1fb/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 -> ae33dcba0147a107c551c432e2bfc2c49f1e3070 [2018-11-23 05:25:16,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:25:16,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:25:16,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:25:16,973 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:25:16,974 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:25:16,974 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-23 05:25:17,018 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/data/a35a21e21/b3ac0ab8e2034b6d975eba73ef5b2ad4/FLAG042ed0f6d [2018-11-23 05:25:17,452 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:25:17,452 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-23 05:25:17,459 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/data/a35a21e21/b3ac0ab8e2034b6d975eba73ef5b2ad4/FLAG042ed0f6d [2018-11-23 05:25:17,470 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/data/a35a21e21/b3ac0ab8e2034b6d975eba73ef5b2ad4 [2018-11-23 05:25:17,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:25:17,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:25:17,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:25:17,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:25:17,476 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:25:17,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17, skipping insertion in model container [2018-11-23 05:25:17,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:25:17,515 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:25:17,699 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:25:17,751 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:25:17,804 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:25:17,821 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:25:17,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17 WrapperNode [2018-11-23 05:25:17,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:25:17,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:25:17,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:25:17,822 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:25:17,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:25:17,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:25:17,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:25:17,843 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:25:17,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (1/1) ... [2018-11-23 05:25:17,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:25:17,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:25:17,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:25:17,869 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:25:17,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:25:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 05:25:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 05:25:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 05:25:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 05:25:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:25:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:25:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 05:25:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 05:25:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:25:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 05:25:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 05:25:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 05:25:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 05:25:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 05:25:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 05:25:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 05:25:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 05:25:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 05:25:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 05:25:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 05:25:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 05:25:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 05:25:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 05:25:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 05:25:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 05:25:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 05:25:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 05:25:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 05:25:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 05:25:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 05:25:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 05:25:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 05:25:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 05:25:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 05:25:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 05:25:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:25:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:25:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 05:25:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 05:25:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 05:25:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 05:25:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 05:25:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 05:25:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 05:25:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 05:25:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 05:25:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 05:25:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 05:25:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 05:25:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 05:25:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 05:25:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 05:25:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 05:25:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 05:25:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:25:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:25:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 05:25:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 05:25:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 05:25:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 05:25:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:25:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:25:18,352 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:25:18,353 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 05:25:18,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:25:18 BoogieIcfgContainer [2018-11-23 05:25:18,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:25:18,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:25:18,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:25:18,360 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:25:18,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:25:17" (1/3) ... [2018-11-23 05:25:18,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90b28ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:25:18, skipping insertion in model container [2018-11-23 05:25:18,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:25:17" (2/3) ... [2018-11-23 05:25:18,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90b28ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:25:18, skipping insertion in model container [2018-11-23 05:25:18,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:25:18" (3/3) ... [2018-11-23 05:25:18,363 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-23 05:25:18,371 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:25:18,379 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:25:18,393 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:25:18,418 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 05:25:18,419 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:25:18,419 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:25:18,419 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:25:18,419 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:25:18,420 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:25:18,420 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:25:18,420 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:25:18,420 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:25:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-23 05:25:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 05:25:18,445 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:18,446 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] [2018-11-23 05:25:18,448 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:18,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:18,453 INFO L82 PathProgramCache]: Analyzing trace with hash 697670877, now seen corresponding path program 1 times [2018-11-23 05:25:18,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:18,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:18,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:18,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:18,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:25:18,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:25:18,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 05:25:18,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 05:25:18,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 05:25:18,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:25:18,660 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-11-23 05:25:18,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:18,686 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2018-11-23 05:25:18,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 05:25:18,687 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 05:25:18,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:18,698 INFO L225 Difference]: With dead ends: 292 [2018-11-23 05:25:18,698 INFO L226 Difference]: Without dead ends: 146 [2018-11-23 05:25:18,702 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:25:18,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-23 05:25:18,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-23 05:25:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-23 05:25:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-11-23 05:25:18,749 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2018-11-23 05:25:18,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:18,749 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-11-23 05:25:18,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 05:25:18,750 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-11-23 05:25:18,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 05:25:18,752 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:18,752 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] [2018-11-23 05:25:18,753 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:18,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:18,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1056936711, now seen corresponding path program 1 times [2018-11-23 05:25:18,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:18,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:18,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:18,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:18,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:25:18,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:25:18,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:25:18,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:25:18,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:25:18,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:25:18,834 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2018-11-23 05:25:18,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:18,853 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2018-11-23 05:25:18,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:25:18,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 05:25:18,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:18,855 INFO L225 Difference]: With dead ends: 241 [2018-11-23 05:25:18,855 INFO L226 Difference]: Without dead ends: 137 [2018-11-23 05:25:18,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:25:18,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-23 05:25:18,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-23 05:25:18,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-23 05:25:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-11-23 05:25:18,869 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2018-11-23 05:25:18,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:18,869 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-11-23 05:25:18,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:25:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-11-23 05:25:18,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 05:25:18,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:18,871 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:25:18,871 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:18,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:18,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1110661237, now seen corresponding path program 1 times [2018-11-23 05:25:18,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:18,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:18,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:18,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:18,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:25:18,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:25:18,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:25:18,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:25:18,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:25:18,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:25:18,982 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2018-11-23 05:25:19,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:19,304 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2018-11-23 05:25:19,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 05:25:19,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 05:25:19,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:19,306 INFO L225 Difference]: With dead ends: 250 [2018-11-23 05:25:19,306 INFO L226 Difference]: Without dead ends: 137 [2018-11-23 05:25:19,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:25:19,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-23 05:25:19,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-23 05:25:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-23 05:25:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2018-11-23 05:25:19,318 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 51 [2018-11-23 05:25:19,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:19,318 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2018-11-23 05:25:19,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:25:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2018-11-23 05:25:19,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 05:25:19,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:19,320 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:25:19,320 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:19,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:19,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1943254263, now seen corresponding path program 1 times [2018-11-23 05:25:19,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:19,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:19,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:19,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:19,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:19,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:25:19,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:25:19,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 05:25:19,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 05:25:19,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 05:25:19,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 05:25:19,429 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 5 states. [2018-11-23 05:25:19,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:19,973 INFO L93 Difference]: Finished difference Result 352 states and 425 transitions. [2018-11-23 05:25:19,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 05:25:19,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-23 05:25:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:19,976 INFO L225 Difference]: With dead ends: 352 [2018-11-23 05:25:19,976 INFO L226 Difference]: Without dead ends: 239 [2018-11-23 05:25:19,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:25:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-23 05:25:19,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2018-11-23 05:25:19,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-23 05:25:19,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2018-11-23 05:25:19,999 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 69 [2018-11-23 05:25:20,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:20,000 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2018-11-23 05:25:20,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 05:25:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2018-11-23 05:25:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 05:25:20,003 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:20,003 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:25:20,003 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:20,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:20,003 INFO L82 PathProgramCache]: Analyzing trace with hash -215738354, now seen corresponding path program 1 times [2018-11-23 05:25:20,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:20,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:20,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:20,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:20,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:25:20,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:25:20,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 05:25:20,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 05:25:20,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 05:25:20,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:25:20,122 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 10 states. [2018-11-23 05:25:20,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:20,456 INFO L93 Difference]: Finished difference Result 703 states and 867 transitions. [2018-11-23 05:25:20,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 05:25:20,457 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2018-11-23 05:25:20,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:20,460 INFO L225 Difference]: With dead ends: 703 [2018-11-23 05:25:20,460 INFO L226 Difference]: Without dead ends: 506 [2018-11-23 05:25:20,461 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:25:20,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2018-11-23 05:25:20,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 496. [2018-11-23 05:25:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-11-23 05:25:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 582 transitions. [2018-11-23 05:25:20,498 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 582 transitions. Word has length 83 [2018-11-23 05:25:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:20,498 INFO L480 AbstractCegarLoop]: Abstraction has 496 states and 582 transitions. [2018-11-23 05:25:20,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 05:25:20,499 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 582 transitions. [2018-11-23 05:25:20,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 05:25:20,502 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:20,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:25:20,503 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:20,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:20,503 INFO L82 PathProgramCache]: Analyzing trace with hash -243545585, now seen corresponding path program 1 times [2018-11-23 05:25:20,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:20,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:20,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:20,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:20,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:25:20,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:25:20,587 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:25:20,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:20,688 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:25:20,720 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 05:25:20,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:25:20,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-23 05:25:20,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:25:20,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:25:20,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:25:20,737 INFO L87 Difference]: Start difference. First operand 496 states and 582 transitions. Second operand 6 states. [2018-11-23 05:25:20,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:20,777 INFO L93 Difference]: Finished difference Result 983 states and 1179 transitions. [2018-11-23 05:25:20,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 05:25:20,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-23 05:25:20,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:20,781 INFO L225 Difference]: With dead ends: 983 [2018-11-23 05:25:20,781 INFO L226 Difference]: Without dead ends: 511 [2018-11-23 05:25:20,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:25:20,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-23 05:25:20,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2018-11-23 05:25:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-11-23 05:25:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 598 transitions. [2018-11-23 05:25:20,812 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 598 transitions. Word has length 131 [2018-11-23 05:25:20,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:20,813 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 598 transitions. [2018-11-23 05:25:20,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:25:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 598 transitions. [2018-11-23 05:25:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 05:25:20,815 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:20,815 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:25:20,816 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:20,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:20,816 INFO L82 PathProgramCache]: Analyzing trace with hash -3305839, now seen corresponding path program 1 times [2018-11-23 05:25:20,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:20,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:20,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:20,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:20,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:25:20,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:25:20,890 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:25:20,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:21,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:25:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 05:25:21,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:25:21,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-23 05:25:21,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 05:25:21,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 05:25:21,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:25:21,116 INFO L87 Difference]: Start difference. First operand 511 states and 598 transitions. Second operand 11 states. [2018-11-23 05:25:21,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:21,172 INFO L93 Difference]: Finished difference Result 926 states and 1115 transitions. [2018-11-23 05:25:21,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:25:21,174 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 131 [2018-11-23 05:25:21,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:21,176 INFO L225 Difference]: With dead ends: 926 [2018-11-23 05:25:21,176 INFO L226 Difference]: Without dead ends: 439 [2018-11-23 05:25:21,178 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:25:21,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-11-23 05:25:21,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2018-11-23 05:25:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-11-23 05:25:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 507 transitions. [2018-11-23 05:25:21,200 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 507 transitions. Word has length 131 [2018-11-23 05:25:21,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:21,200 INFO L480 AbstractCegarLoop]: Abstraction has 439 states and 507 transitions. [2018-11-23 05:25:21,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 05:25:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 507 transitions. [2018-11-23 05:25:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 05:25:21,203 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:21,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:25:21,203 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:21,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:21,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1727344072, now seen corresponding path program 1 times [2018-11-23 05:25:21,203 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:21,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:21,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:21,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:21,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:25:21,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:25:21,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 05:25:21,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:25:21,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:25:21,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:25:21,285 INFO L87 Difference]: Start difference. First operand 439 states and 507 transitions. Second operand 9 states. [2018-11-23 05:25:21,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:21,762 INFO L93 Difference]: Finished difference Result 1171 states and 1388 transitions. [2018-11-23 05:25:21,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 05:25:21,762 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2018-11-23 05:25:21,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:21,767 INFO L225 Difference]: With dead ends: 1171 [2018-11-23 05:25:21,767 INFO L226 Difference]: Without dead ends: 756 [2018-11-23 05:25:21,768 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:25:21,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-11-23 05:25:21,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 753. [2018-11-23 05:25:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2018-11-23 05:25:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 864 transitions. [2018-11-23 05:25:21,806 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 864 transitions. Word has length 135 [2018-11-23 05:25:21,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:21,806 INFO L480 AbstractCegarLoop]: Abstraction has 753 states and 864 transitions. [2018-11-23 05:25:21,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:25:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 864 transitions. [2018-11-23 05:25:21,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 05:25:21,809 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:21,809 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:25:21,809 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:21,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:21,810 INFO L82 PathProgramCache]: Analyzing trace with hash -45749022, now seen corresponding path program 1 times [2018-11-23 05:25:21,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:21,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:21,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:21,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:21,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 05:25:21,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:25:21,903 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:25:21,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:22,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:25:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:25:22,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:25:22,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-23 05:25:22,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:25:22,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:25:22,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:25:22,091 INFO L87 Difference]: Start difference. First operand 753 states and 864 transitions. Second operand 6 states. [2018-11-23 05:25:22,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:22,542 INFO L93 Difference]: Finished difference Result 1581 states and 1893 transitions. [2018-11-23 05:25:22,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:25:22,543 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-23 05:25:22,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:22,546 INFO L225 Difference]: With dead ends: 1581 [2018-11-23 05:25:22,546 INFO L226 Difference]: Without dead ends: 976 [2018-11-23 05:25:22,547 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:25:22,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2018-11-23 05:25:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 897. [2018-11-23 05:25:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2018-11-23 05:25:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1039 transitions. [2018-11-23 05:25:22,578 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1039 transitions. Word has length 143 [2018-11-23 05:25:22,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:22,578 INFO L480 AbstractCegarLoop]: Abstraction has 897 states and 1039 transitions. [2018-11-23 05:25:22,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:25:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1039 transitions. [2018-11-23 05:25:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 05:25:22,580 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:22,580 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:25:22,580 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:22,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:22,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1825563524, now seen corresponding path program 1 times [2018-11-23 05:25:22,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:22,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:22,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:22,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:22,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 05:25:22,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:25:22,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 05:25:22,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:25:22,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:25:22,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:25:22,639 INFO L87 Difference]: Start difference. First operand 897 states and 1039 transitions. Second operand 6 states. [2018-11-23 05:25:22,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:22,731 INFO L93 Difference]: Finished difference Result 912 states and 1055 transitions. [2018-11-23 05:25:22,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:25:22,731 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-23 05:25:22,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:22,734 INFO L225 Difference]: With dead ends: 912 [2018-11-23 05:25:22,734 INFO L226 Difference]: Without dead ends: 909 [2018-11-23 05:25:22,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:25:22,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2018-11-23 05:25:22,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 897. [2018-11-23 05:25:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2018-11-23 05:25:22,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1035 transitions. [2018-11-23 05:25:22,762 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1035 transitions. Word has length 139 [2018-11-23 05:25:22,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:22,762 INFO L480 AbstractCegarLoop]: Abstraction has 897 states and 1035 transitions. [2018-11-23 05:25:22,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:25:22,762 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1035 transitions. [2018-11-23 05:25:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 05:25:22,764 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:22,765 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:25:22,765 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:22,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:22,765 INFO L82 PathProgramCache]: Analyzing trace with hash 243464153, now seen corresponding path program 1 times [2018-11-23 05:25:22,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:22,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:22,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:22,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:22,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 05:25:22,865 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:25:22,865 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:25:22,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:22,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:25:23,040 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:25:23,065 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:25:23,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-23 05:25:23,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 05:25:23,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 05:25:23,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-23 05:25:23,066 INFO L87 Difference]: Start difference. First operand 897 states and 1035 transitions. Second operand 14 states. [2018-11-23 05:25:24,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:24,264 INFO L93 Difference]: Finished difference Result 2087 states and 2671 transitions. [2018-11-23 05:25:24,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 05:25:24,265 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-11-23 05:25:24,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:24,269 INFO L225 Difference]: With dead ends: 2087 [2018-11-23 05:25:24,270 INFO L226 Difference]: Without dead ends: 1342 [2018-11-23 05:25:24,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-11-23 05:25:24,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2018-11-23 05:25:24,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1045. [2018-11-23 05:25:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2018-11-23 05:25:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1205 transitions. [2018-11-23 05:25:24,310 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1205 transitions. Word has length 157 [2018-11-23 05:25:24,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:24,311 INFO L480 AbstractCegarLoop]: Abstraction has 1045 states and 1205 transitions. [2018-11-23 05:25:24,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 05:25:24,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1205 transitions. [2018-11-23 05:25:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-23 05:25:24,313 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:24,313 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 05:25:24,314 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:24,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:24,314 INFO L82 PathProgramCache]: Analyzing trace with hash -664296079, now seen corresponding path program 2 times [2018-11-23 05:25:24,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:24,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:24,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:24,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:24,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 45 proven. 14 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 05:25:24,422 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:25:24,422 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:25:24,451 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 05:25:24,533 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 05:25:24,533 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 05:25:24,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:25:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 05:25:24,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:25:24,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-11-23 05:25:24,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 05:25:24,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 05:25:24,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 05:25:24,649 INFO L87 Difference]: Start difference. First operand 1045 states and 1205 transitions. Second operand 14 states. [2018-11-23 05:25:25,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:25,813 INFO L93 Difference]: Finished difference Result 2628 states and 3160 transitions. [2018-11-23 05:25:25,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 05:25:25,814 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 226 [2018-11-23 05:25:25,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:25,821 INFO L225 Difference]: With dead ends: 2628 [2018-11-23 05:25:25,821 INFO L226 Difference]: Without dead ends: 1731 [2018-11-23 05:25:25,824 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-11-23 05:25:25,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2018-11-23 05:25:25,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1703. [2018-11-23 05:25:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-11-23 05:25:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1944 transitions. [2018-11-23 05:25:25,904 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1944 transitions. Word has length 226 [2018-11-23 05:25:25,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:25,905 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 1944 transitions. [2018-11-23 05:25:25,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 05:25:25,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1944 transitions. [2018-11-23 05:25:25,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-23 05:25:25,910 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:25:25,910 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 05:25:25,910 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:25:25,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:25:25,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1597277171, now seen corresponding path program 1 times [2018-11-23 05:25:25,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:25:25,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:25:25,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:25,911 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 05:25:25,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:25:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 05:25:26,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:25:26,016 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:25:26,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:25:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:25:26,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:25:26,184 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 05:25:26,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:25:26,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 05:25:26,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 05:25:26,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 05:25:26,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 05:25:26,210 INFO L87 Difference]: Start difference. First operand 1703 states and 1944 transitions. Second operand 13 states. [2018-11-23 05:25:26,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:25:26,311 INFO L93 Difference]: Finished difference Result 2324 states and 2644 transitions. [2018-11-23 05:25:26,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 05:25:26,312 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2018-11-23 05:25:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:25:26,313 INFO L225 Difference]: With dead ends: 2324 [2018-11-23 05:25:26,313 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:25:26,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 05:25:26,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:25:26,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:25:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:25:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:25:26,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-11-23 05:25:26,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:25:26,318 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:25:26,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 05:25:26,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:25:26,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:25:26,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:25:26,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:26,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:25:27,116 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2018-11-23 05:25:27,529 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 43 [2018-11-23 05:25:27,994 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2018-11-23 05:25:28,703 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 42 [2018-11-23 05:25:29,035 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 729 735) the Hoare annotation is: true [2018-11-23 05:25:29,035 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 729 735) no Hoare annotation was computed. [2018-11-23 05:25:29,035 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 736 744) no Hoare annotation was computed. [2018-11-23 05:25:29,035 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 736 744) the Hoare annotation is: true [2018-11-23 05:25:29,035 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 736 744) no Hoare annotation was computed. [2018-11-23 05:25:29,035 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-11-23 05:25:29,035 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-23 05:25:29,035 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 859 883) the Hoare annotation is: true [2018-11-23 05:25:29,035 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 859 883) no Hoare annotation was computed. [2018-11-23 05:25:29,036 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-23 05:25:29,036 INFO L448 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2018-11-23 05:25:29,036 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-23 05:25:29,036 INFO L448 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2018-11-23 05:25:29,036 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 880) no Hoare annotation was computed. [2018-11-23 05:25:29,036 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 859 883) no Hoare annotation was computed. [2018-11-23 05:25:29,036 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:25:29,036 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-11-23 05:25:29,036 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-11-23 05:25:29,036 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:25:29,036 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:25:29,036 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-11-23 05:25:29,036 INFO L448 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-11-23 05:25:29,037 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-11-23 05:25:29,037 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:25:29,037 INFO L444 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:25:29,037 INFO L444 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:25:29,037 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-23 05:25:29,037 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2018-11-23 05:25:29,037 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-23 05:25:29,037 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 688 706) the Hoare annotation is: true [2018-11-23 05:25:29,037 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2018-11-23 05:25:29,037 INFO L451 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-11-23 05:25:29,037 INFO L448 ceAbstractionStarter]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2018-11-23 05:25:29,037 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-11-23 05:25:29,037 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 688 706) no Hoare annotation was computed. [2018-11-23 05:25:29,037 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 688 706) no Hoare annotation was computed. [2018-11-23 05:25:29,038 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 722 728) no Hoare annotation was computed. [2018-11-23 05:25:29,038 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 722 728) the Hoare annotation is: true [2018-11-23 05:25:29,038 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:25:29,038 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-11-23 05:25:29,038 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-11-23 05:25:29,038 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2018-11-23 05:25:29,038 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2018-11-23 05:25:29,038 INFO L451 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2018-11-23 05:25:29,038 INFO L448 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-11-23 05:25:29,038 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2018-11-23 05:25:29,038 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 05:25:29,038 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2018-11-23 05:25:29,038 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2018-11-23 05:25:29,038 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-11-23 05:25:29,039 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 835 848) no Hoare annotation was computed. [2018-11-23 05:25:29,039 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 835 848) the Hoare annotation is: true [2018-11-23 05:25:29,039 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 835 848) no Hoare annotation was computed. [2018-11-23 05:25:29,039 INFO L448 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2018-11-23 05:25:29,039 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 593) no Hoare annotation was computed. [2018-11-23 05:25:29,039 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 572 596) no Hoare annotation was computed. [2018-11-23 05:25:29,039 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 572 596) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 05:25:29,039 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1) (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) .cse0) (or .cse1 (or (< ~waterLevel~0 2) .cse0)))) [2018-11-23 05:25:29,039 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 572 596) no Hoare annotation was computed. [2018-11-23 05:25:29,039 INFO L444 ceAbstractionStarter]: At program point L586(line 586) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~methaneLevelCritical~0 0) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 05:25:29,039 INFO L444 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-23 05:25:29,039 INFO L448 ceAbstractionStarter]: For program point L580(lines 580 588) no Hoare annotation was computed. [2018-11-23 05:25:29,039 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 05:25:29,040 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 512 518) no Hoare annotation was computed. [2018-11-23 05:25:29,040 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 512 518) the Hoare annotation is: true [2018-11-23 05:25:29,040 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:25:29,040 INFO L444 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 05:25:29,040 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2018-11-23 05:25:29,040 INFO L448 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2018-11-23 05:25:29,040 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2018-11-23 05:25:29,040 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 05:25:29,040 INFO L444 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 05:25:29,040 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-11-23 05:25:29,040 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-11-23 05:25:29,040 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-23 05:25:29,041 INFO L444 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:25:29,041 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2018-11-23 05:25:29,041 INFO L444 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 05:25:29,041 INFO L448 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2018-11-23 05:25:29,041 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2018-11-23 05:25:29,041 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2018-11-23 05:25:29,041 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 849 857) no Hoare annotation was computed. [2018-11-23 05:25:29,041 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 849 857) the Hoare annotation is: true [2018-11-23 05:25:29,041 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 849 857) no Hoare annotation was computed. [2018-11-23 05:25:29,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:25:29,041 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 05:25:29,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:25:29,041 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 597 604) no Hoare annotation was computed. [2018-11-23 05:25:29,041 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 604) no Hoare annotation was computed. [2018-11-23 05:25:29,042 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 597 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 05:25:29,042 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 826 834) the Hoare annotation is: true [2018-11-23 05:25:29,042 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 826 834) no Hoare annotation was computed. [2018-11-23 05:25:29,042 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 826 834) no Hoare annotation was computed. [2018-11-23 05:25:29,042 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2018-11-23 05:25:29,042 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-11-23 05:25:29,042 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2018-11-23 05:25:29,042 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2018-11-23 05:25:29,042 INFO L451 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2018-11-23 05:25:29,042 INFO L448 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2018-11-23 05:25:29,042 INFO L448 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2018-11-23 05:25:29,042 INFO L448 ceAbstractionStarter]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2018-11-23 05:25:29,042 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 782 793) the Hoare annotation is: (let ((.cse4 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not .cse4)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 (not (= ~waterLevel~0 1)) .cse1) .cse2 .cse3) (or .cse2 .cse4 (< ~waterLevel~0 1) .cse5 .cse0) (or (or .cse6 .cse0 .cse1) .cse3) (or .cse5 .cse4 .cse6 .cse0)))) [2018-11-23 05:25:29,042 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 782 793) no Hoare annotation was computed. [2018-11-23 05:25:29,043 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 794 802) the Hoare annotation is: true [2018-11-23 05:25:29,043 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 794 802) no Hoare annotation was computed. [2018-11-23 05:25:29,043 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 794 802) no Hoare annotation was computed. [2018-11-23 05:25:29,043 INFO L448 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-11-23 05:25:29,043 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-11-23 05:25:29,043 INFO L451 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2018-11-23 05:25:29,043 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-11-23 05:25:29,043 INFO L451 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-11-23 05:25:29,043 INFO L448 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-11-23 05:25:29,043 INFO L451 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-11-23 05:25:29,043 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-23 05:25:29,043 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-11-23 05:25:29,043 INFO L451 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-11-23 05:25:29,044 INFO L444 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (not .cse2)) (.cse11 (<= 2 ~waterLevel~0)) (.cse12 (= 0 ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~systemActive~0 1)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (and .cse5 .cse11 .cse12 .cse8 .cse10 .cse9)) (.cse7 (let ((.cse13 (+ ~waterLevel~0 1))) (and (<= .cse13 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse13) .cse9))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse6 (and (= 0 ~methaneLevelCritical~0) .cse11 .cse12 .cse8 .cse10 .cse9)) (.cse4 (not .cse10)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (or .cse1 .cse3 .cse4 .cse5) .cse6) (or (or .cse2 .cse3 .cse4) .cse0 .cse7) (or .cse7 (or .cse3 .cse4 .cse5) .cse6) (or (or .cse4 (not (= |old(~waterLevel~0)| 1))) .cse1 (and .cse8 .cse9)))))) [2018-11-23 05:25:29,044 INFO L444 ceAbstractionStarter]: At program point L499(lines 499 505) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not .cse8)) (.cse11 (<= 2 ~waterLevel~0)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~systemActive~0 1))) (let ((.cse7 (and .cse2 .cse11 .cse9 .cse10)) (.cse3 (let ((.cse12 (+ ~waterLevel~0 1))) (and (<= .cse12 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| .cse12)))) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse4 (and (= 0 ~methaneLevelCritical~0) .cse11 .cse9 .cse10)) (.cse1 (not .cse10)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and .cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 (< |old(~waterLevel~0)| 1) .cse1) (or (or .cse8 .cse0 .cse1) .cse7 .cse3) (or (or .cse6 .cse0 .cse1 .cse2) .cse4) (or (or .cse1 (not (= |old(~waterLevel~0)| 1))) .cse6 .cse5))))) [2018-11-23 05:25:29,044 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 511) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or (< |old(~waterLevel~0)| 2) .cse0) .cse1) (or (or .cse0 (not (= |old(~waterLevel~0)| 1))) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 05:25:29,044 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-23 05:25:29,044 INFO L448 ceAbstractionStarter]: For program point L492(lines 491 510) no Hoare annotation was computed. [2018-11-23 05:25:29,044 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 511) no Hoare annotation was computed. [2018-11-23 05:25:29,044 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 511) no Hoare annotation was computed. [2018-11-23 05:25:29,044 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 758 769) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| 2) (not (= ~systemActive~0 1)))) [2018-11-23 05:25:29,044 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 758 769) no Hoare annotation was computed. [2018-11-23 05:25:29,044 INFO L448 ceAbstractionStarter]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2018-11-23 05:25:29,044 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-11-23 05:25:29,045 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-11-23 05:25:29,045 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:25:29,045 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-23 05:25:29,045 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:25:29,045 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:25:29,045 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 520 544) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1 .cse2) (or .cse2 (or .cse1 (< ~waterLevel~0 2) .cse0)))) [2018-11-23 05:25:29,045 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 520 544) no Hoare annotation was computed. [2018-11-23 05:25:29,045 INFO L444 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 05:25:29,045 INFO L448 ceAbstractionStarter]: For program point L539-1(lines 520 544) no Hoare annotation was computed. [2018-11-23 05:25:29,045 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-23 05:25:29,045 INFO L444 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 05:25:29,045 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 536) no Hoare annotation was computed. [2018-11-23 05:25:29,045 INFO L444 ceAbstractionStarter]: At program point L526(line 526) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1 .cse2) (or .cse2 (or .cse1 (< ~waterLevel~0 2) .cse0)))) [2018-11-23 05:25:29,046 INFO L448 ceAbstractionStarter]: For program point L526-1(line 526) no Hoare annotation was computed. [2018-11-23 05:25:29,046 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 541) no Hoare annotation was computed. [2018-11-23 05:25:29,046 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 770 781) no Hoare annotation was computed. [2018-11-23 05:25:29,046 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 770 781) no Hoare annotation was computed. [2018-11-23 05:25:29,046 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 770 781) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (not (= 0 ~pumpRunning~0)) .cse0 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 05:25:29,046 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 746 753) no Hoare annotation was computed. [2018-11-23 05:25:29,046 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2018-11-23 05:25:29,046 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 746 753) the Hoare annotation is: true [2018-11-23 05:25:29,046 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 746 753) no Hoare annotation was computed. [2018-11-23 05:25:29,046 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 546 570) no Hoare annotation was computed. [2018-11-23 05:25:29,046 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 546 570) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2)) (or (or .cse1 .cse2 (not (= ~waterLevel~0 1))) .cse0) (or (< ~waterLevel~0 1) .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-23 05:25:29,047 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2)) (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (or .cse1 .cse2 (not (= ~waterLevel~0 1))) .cse0))) [2018-11-23 05:25:29,047 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 546 570) no Hoare annotation was computed. [2018-11-23 05:25:29,047 INFO L444 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 05:25:29,047 INFO L444 ceAbstractionStarter]: At program point L556(line 556) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 05:25:29,047 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 562) no Hoare annotation was computed. [2018-11-23 05:25:29,047 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 05:25:29,047 INFO L448 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2018-11-23 05:25:29,047 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2018-11-23 05:25:29,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:25:29 BoogieIcfgContainer [2018-11-23 05:25:29,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:25:29,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:25:29,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:25:29,057 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:25:29,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:25:18" (3/4) ... [2018-11-23 05:25:29,064 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 05:25:29,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 05:25:29,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 05:25:29,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:25:29,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 05:25:29,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 05:25:29,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 05:25:29,078 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 05:25:29,078 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 05:25:29,078 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 05:25:29,079 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 05:25:29,079 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:25:29,079 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:25:29,080 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:25:29,100 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel == \old(waterLevel)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 05:25:29,100 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 05:25:29,134 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e1815638-6869-47ed-a374-d675826eb1fb/bin-2019/uautomizer/witness.graphml [2018-11-23 05:25:29,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:25:29,135 INFO L168 Benchmark]: Toolchain (without parser) took 11662.20 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 429.9 MB). Free memory was 955.5 MB in the beginning and 1.3 GB in the end (delta: -327.9 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. [2018-11-23 05:25:29,135 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:25:29,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:25:29,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:25:29,136 INFO L168 Benchmark]: Boogie Preprocessor took 25.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:25:29,136 INFO L168 Benchmark]: RCFGBuilder took 484.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-11-23 05:25:29,136 INFO L168 Benchmark]: TraceAbstraction took 10700.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 306.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -243.3 MB). Peak memory consumption was 457.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:25:29,136 INFO L168 Benchmark]: Witness Printer took 76.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-23 05:25:29,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.71 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 484.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10700.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 306.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -243.3 MB). Peak memory consumption was 457.1 MB. Max. memory is 11.5 GB. * Witness Printer took 76.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 750]: 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: 420]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel == \old(waterLevel)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 10.6s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2455 SDtfs, 2098 SDslu, 7664 SDs, 0 SdLazy, 5401 SolverSat, 960 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1197 GetRequests, 1052 SyntacticMatches, 5 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1703occurred in iteration=12, 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: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 447 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2831 PreInvPairs, 2924 NumberOfFragments, 1527 HoareAnnotationTreeSize, 2831 FomulaSimplifications, 7322 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 13928 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2598 NumberOfCodeBlocks, 2598 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2579 ConstructedInterpolants, 0 QuantifiedInterpolants, 579775 SizeOfPredicates, 15 NumberOfNonLiveVariables, 5330 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 745/796 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...