./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/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 284d5750b565b650dea59fef4c61eb2e70211282 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:01:22,815 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:01:22,816 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:01:22,824 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:01:22,824 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:01:22,824 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:01:22,825 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:01:22,827 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:01:22,828 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:01:22,828 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:01:22,829 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:01:22,829 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:01:22,829 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:01:22,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:01:22,830 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:01:22,831 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:01:22,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:01:22,832 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:01:22,833 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:01:22,834 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:01:22,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:01:22,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:01:22,836 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:01:22,836 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:01:22,836 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:01:22,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:01:22,837 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:01:22,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:01:22,837 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:01:22,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:01:22,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:01:22,838 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:01:22,838 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:01:22,838 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:01:22,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:01:22,839 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:01:22,839 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 00:01:22,846 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:01:22,846 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:01:22,846 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:01:22,846 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:01:22,847 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:01:22,847 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:01:22,847 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:01:22,847 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:01:22,847 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:01:22,847 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:01:22,847 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:01:22,847 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:01:22,848 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:01:22,848 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:01:22,848 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:01:22,848 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:01:22,848 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:01:22,848 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:01:22,848 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:01:22,848 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:01:22,848 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:01:22,848 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:01:22,848 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:01:22,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:01:22,849 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:01:22,849 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:01:22,849 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:01:22,849 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 00:01:22,849 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:01:22,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:01:22,849 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_7c4582c5-1114-4cbb-8026-8a1b1aadd213/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 -> 284d5750b565b650dea59fef4c61eb2e70211282 [2018-12-09 00:01:22,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:01:22,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:01:22,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:01:22,879 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:01:22,879 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:01:22,879 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-12-09 00:01:22,914 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/data/f3c647681/704eb67088354f8583de483985ed1dba/FLAG35c1cb6d6 [2018-12-09 00:01:23,223 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:01:23,224 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-12-09 00:01:23,230 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/data/f3c647681/704eb67088354f8583de483985ed1dba/FLAG35c1cb6d6 [2018-12-09 00:01:23,642 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/data/f3c647681/704eb67088354f8583de483985ed1dba [2018-12-09 00:01:23,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:01:23,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:01:23,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:01:23,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:01:23,648 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:01:23,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509d5fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23, skipping insertion in model container [2018-12-09 00:01:23,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:01:23,679 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:01:23,839 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:01:23,847 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:01:23,934 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:01:23,950 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:01:23,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23 WrapperNode [2018-12-09 00:01:23,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:01:23,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:01:23,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:01:23,951 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:01:23,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:01:23,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:01:23,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:01:23,971 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:01:23,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (1/1) ... [2018-12-09 00:01:23,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:01:23,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:01:23,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:01:23,993 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:01:23,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:01:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:01:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:01:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:01:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:01:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:01:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:01:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:01:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 00:01:24,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 00:01:24,026 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:01:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:01:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:01:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:01:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:01:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:01:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 00:01:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 00:01:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 00:01:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 00:01:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 00:01:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 00:01:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:01:24,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:01:24,027 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:01:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:01:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:01:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:01:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:01:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:01:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 00:01:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 00:01:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:01:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:01:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:01:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:01:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:01:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:01:24,028 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:01:24,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:01:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:01:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:01:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 00:01:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 00:01:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:01:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:01:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:01:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:01:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:01:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:01:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:01:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:01:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:01:24,029 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:01:24,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:01:24,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:01:24,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:01:24,315 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:01:24,315 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:01:24,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:01:24 BoogieIcfgContainer [2018-12-09 00:01:24,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:01:24,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:01:24,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:01:24,318 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:01:24,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:01:23" (1/3) ... [2018-12-09 00:01:24,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d20735d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:01:24, skipping insertion in model container [2018-12-09 00:01:24,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:23" (2/3) ... [2018-12-09 00:01:24,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d20735d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:01:24, skipping insertion in model container [2018-12-09 00:01:24,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:01:24" (3/3) ... [2018-12-09 00:01:24,320 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-12-09 00:01:24,326 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:01:24,331 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:01:24,340 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:01:24,358 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:01:24,358 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:01:24,358 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:01:24,358 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:01:24,358 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:01:24,358 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:01:24,358 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:01:24,359 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:01:24,359 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:01:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2018-12-09 00:01:24,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 00:01:24,376 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:24,376 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:01:24,378 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:24,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:24,381 INFO L82 PathProgramCache]: Analyzing trace with hash -294225382, now seen corresponding path program 1 times [2018-12-09 00:01:24,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:24,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:24,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:24,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:24,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:24,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:24,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:01:24,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:01:24,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:01:24,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:01:24,533 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2018-12-09 00:01:24,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:24,554 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2018-12-09 00:01:24,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:01:24,555 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 00:01:24,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:24,561 INFO L225 Difference]: With dead ends: 254 [2018-12-09 00:01:24,561 INFO L226 Difference]: Without dead ends: 127 [2018-12-09 00:01:24,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:01:24,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-09 00:01:24,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-09 00:01:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-09 00:01:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2018-12-09 00:01:24,592 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2018-12-09 00:01:24,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:24,592 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2018-12-09 00:01:24,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:01:24,592 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2018-12-09 00:01:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 00:01:24,594 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:24,594 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] [2018-12-09 00:01:24,594 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:24,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:24,594 INFO L82 PathProgramCache]: Analyzing trace with hash -229410569, now seen corresponding path program 1 times [2018-12-09 00:01:24,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:24,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:24,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:24,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:24,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:24,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:24,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:01:24,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:01:24,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:01:24,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:01:24,646 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states. [2018-12-09 00:01:24,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:24,662 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2018-12-09 00:01:24,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:01:24,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 00:01:24,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:24,663 INFO L225 Difference]: With dead ends: 199 [2018-12-09 00:01:24,663 INFO L226 Difference]: Without dead ends: 118 [2018-12-09 00:01:24,664 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:01:24,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-09 00:01:24,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-09 00:01:24,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-09 00:01:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-12-09 00:01:24,671 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2018-12-09 00:01:24,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:24,671 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-12-09 00:01:24,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:01:24,672 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-12-09 00:01:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 00:01:24,672 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:24,672 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] [2018-12-09 00:01:24,673 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:24,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:24,673 INFO L82 PathProgramCache]: Analyzing trace with hash -237918661, now seen corresponding path program 1 times [2018-12-09 00:01:24,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:24,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:24,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:24,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:24,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:24,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:24,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:01:24,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:01:24,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:01:24,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:01:24,747 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 7 states. [2018-12-09 00:01:24,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:24,888 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2018-12-09 00:01:24,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:01:24,888 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 00:01:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:24,889 INFO L225 Difference]: With dead ends: 212 [2018-12-09 00:01:24,889 INFO L226 Difference]: Without dead ends: 118 [2018-12-09 00:01:24,890 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:01:24,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-09 00:01:24,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-09 00:01:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-09 00:01:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2018-12-09 00:01:24,896 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2018-12-09 00:01:24,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:24,897 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2018-12-09 00:01:24,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:01:24,897 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2018-12-09 00:01:24,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 00:01:24,898 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:24,898 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] [2018-12-09 00:01:24,898 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:24,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:24,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1761248130, now seen corresponding path program 1 times [2018-12-09 00:01:24,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:24,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:24,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:24,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:24,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:24,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:24,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:24,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:01:24,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:01:24,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:01:24,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:01:24,949 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 5 states. [2018-12-09 00:01:25,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:25,217 INFO L93 Difference]: Finished difference Result 314 states and 375 transitions. [2018-12-09 00:01:25,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:01:25,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-09 00:01:25,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:25,218 INFO L225 Difference]: With dead ends: 314 [2018-12-09 00:01:25,218 INFO L226 Difference]: Without dead ends: 220 [2018-12-09 00:01:25,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:01:25,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-12-09 00:01:25,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 201. [2018-12-09 00:01:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-12-09 00:01:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 230 transitions. [2018-12-09 00:01:25,234 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 230 transitions. Word has length 66 [2018-12-09 00:01:25,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:25,234 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 230 transitions. [2018-12-09 00:01:25,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:01:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 230 transitions. [2018-12-09 00:01:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 00:01:25,235 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:25,235 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] [2018-12-09 00:01:25,235 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:25,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:25,236 INFO L82 PathProgramCache]: Analyzing trace with hash 895970761, now seen corresponding path program 1 times [2018-12-09 00:01:25,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:25,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:25,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:25,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:25,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:25,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 00:01:25,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:01:25,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:01:25,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:01:25,309 INFO L87 Difference]: Start difference. First operand 201 states and 230 transitions. Second operand 8 states. [2018-12-09 00:01:25,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:25,330 INFO L93 Difference]: Finished difference Result 385 states and 451 transitions. [2018-12-09 00:01:25,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:01:25,330 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2018-12-09 00:01:25,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:25,332 INFO L225 Difference]: With dead ends: 385 [2018-12-09 00:01:25,332 INFO L226 Difference]: Without dead ends: 208 [2018-12-09 00:01:25,333 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:01:25,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-12-09 00:01:25,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 205. [2018-12-09 00:01:25,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-09 00:01:25,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 234 transitions. [2018-12-09 00:01:25,343 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 234 transitions. Word has length 80 [2018-12-09 00:01:25,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:25,343 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 234 transitions. [2018-12-09 00:01:25,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:01:25,344 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 234 transitions. [2018-12-09 00:01:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 00:01:25,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:25,344 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] [2018-12-09 00:01:25,344 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:25,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:25,345 INFO L82 PathProgramCache]: Analyzing trace with hash 968357319, now seen corresponding path program 1 times [2018-12-09 00:01:25,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:25,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:25,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:25,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:25,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:25,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:01:25,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:01:25,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:01:25,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:01:25,398 INFO L87 Difference]: Start difference. First operand 205 states and 234 transitions. Second operand 6 states. [2018-12-09 00:01:25,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:25,509 INFO L93 Difference]: Finished difference Result 513 states and 613 transitions. [2018-12-09 00:01:25,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:01:25,509 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-12-09 00:01:25,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:25,512 INFO L225 Difference]: With dead ends: 513 [2018-12-09 00:01:25,512 INFO L226 Difference]: Without dead ends: 332 [2018-12-09 00:01:25,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:01:25,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-12-09 00:01:25,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2018-12-09 00:01:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-12-09 00:01:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 379 transitions. [2018-12-09 00:01:25,533 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 379 transitions. Word has length 80 [2018-12-09 00:01:25,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:25,534 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 379 transitions. [2018-12-09 00:01:25,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:01:25,534 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 379 transitions. [2018-12-09 00:01:25,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 00:01:25,535 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:25,535 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:01:25,535 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:25,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:25,535 INFO L82 PathProgramCache]: Analyzing trace with hash -825537343, now seen corresponding path program 1 times [2018-12-09 00:01:25,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:25,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:25,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:25,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:25,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:25,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:01:25,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:01:25,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:01:25,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:01:25,610 INFO L87 Difference]: Start difference. First operand 328 states and 379 transitions. Second operand 6 states. [2018-12-09 00:01:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:25,734 INFO L93 Difference]: Finished difference Result 681 states and 815 transitions. [2018-12-09 00:01:25,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:01:25,734 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-09 00:01:25,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:25,737 INFO L225 Difference]: With dead ends: 681 [2018-12-09 00:01:25,737 INFO L226 Difference]: Without dead ends: 500 [2018-12-09 00:01:25,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:01:25,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2018-12-09 00:01:25,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 482. [2018-12-09 00:01:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-12-09 00:01:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 568 transitions. [2018-12-09 00:01:25,762 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 568 transitions. Word has length 84 [2018-12-09 00:01:25,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:25,763 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 568 transitions. [2018-12-09 00:01:25,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:01:25,763 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 568 transitions. [2018-12-09 00:01:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 00:01:25,764 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:25,764 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:01:25,765 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:25,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:25,765 INFO L82 PathProgramCache]: Analyzing trace with hash -568158140, now seen corresponding path program 1 times [2018-12-09 00:01:25,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:25,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:25,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:25,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:25,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:25,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 00:01:25,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:01:25,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:01:25,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:01:25,849 INFO L87 Difference]: Start difference. First operand 482 states and 568 transitions. Second operand 9 states. [2018-12-09 00:01:25,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:25,890 INFO L93 Difference]: Finished difference Result 837 states and 999 transitions. [2018-12-09 00:01:25,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 00:01:25,891 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2018-12-09 00:01:25,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:25,892 INFO L225 Difference]: With dead ends: 837 [2018-12-09 00:01:25,892 INFO L226 Difference]: Without dead ends: 502 [2018-12-09 00:01:25,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:01:25,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-12-09 00:01:25,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 497. [2018-12-09 00:01:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-12-09 00:01:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 585 transitions. [2018-12-09 00:01:25,910 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 585 transitions. Word has length 84 [2018-12-09 00:01:25,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:25,910 INFO L480 AbstractCegarLoop]: Abstraction has 497 states and 585 transitions. [2018-12-09 00:01:25,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:01:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 585 transitions. [2018-12-09 00:01:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 00:01:25,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:25,911 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:01:25,911 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:25,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:25,912 INFO L82 PathProgramCache]: Analyzing trace with hash -495771582, now seen corresponding path program 1 times [2018-12-09 00:01:25,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:25,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:25,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:25,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:25,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:25,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:01:25,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:01:25,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:01:25,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:01:25,947 INFO L87 Difference]: Start difference. First operand 497 states and 585 transitions. Second operand 5 states. [2018-12-09 00:01:25,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:25,968 INFO L93 Difference]: Finished difference Result 839 states and 1006 transitions. [2018-12-09 00:01:25,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 00:01:25,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-12-09 00:01:25,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:25,971 INFO L225 Difference]: With dead ends: 839 [2018-12-09 00:01:25,971 INFO L226 Difference]: Without dead ends: 489 [2018-12-09 00:01:25,971 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:01:25,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-12-09 00:01:25,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-12-09 00:01:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-12-09 00:01:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 574 transitions. [2018-12-09 00:01:25,990 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 574 transitions. Word has length 84 [2018-12-09 00:01:25,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:25,990 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 574 transitions. [2018-12-09 00:01:25,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:01:25,990 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 574 transitions. [2018-12-09 00:01:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-09 00:01:25,992 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:25,992 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:01:25,992 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:25,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:25,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1017486641, now seen corresponding path program 1 times [2018-12-09 00:01:25,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:25,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:25,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:25,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:25,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:01:26,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:01:26,061 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 00:01:26,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:26,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:01:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:26,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:01:26,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-12-09 00:01:26,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 00:01:26,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 00:01:26,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-09 00:01:26,257 INFO L87 Difference]: Start difference. First operand 489 states and 574 transitions. Second operand 14 states. [2018-12-09 00:01:26,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:26,632 INFO L93 Difference]: Finished difference Result 1284 states and 1559 transitions. [2018-12-09 00:01:26,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 00:01:26,632 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 96 [2018-12-09 00:01:26,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:26,634 INFO L225 Difference]: With dead ends: 1284 [2018-12-09 00:01:26,635 INFO L226 Difference]: Without dead ends: 819 [2018-12-09 00:01:26,636 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-09 00:01:26,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-12-09 00:01:26,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 816. [2018-12-09 00:01:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-12-09 00:01:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 945 transitions. [2018-12-09 00:01:26,663 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 945 transitions. Word has length 96 [2018-12-09 00:01:26,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:26,663 INFO L480 AbstractCegarLoop]: Abstraction has 816 states and 945 transitions. [2018-12-09 00:01:26,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 00:01:26,663 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 945 transitions. [2018-12-09 00:01:26,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 00:01:26,664 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:26,664 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:01:26,664 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:26,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:26,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1394556845, now seen corresponding path program 1 times [2018-12-09 00:01:26,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:26,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:26,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:26,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:26,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:01:26,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:26,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 00:01:26,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:01:26,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:01:26,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:01:26,727 INFO L87 Difference]: Start difference. First operand 816 states and 945 transitions. Second operand 10 states. [2018-12-09 00:01:26,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:26,836 INFO L93 Difference]: Finished difference Result 1580 states and 1852 transitions. [2018-12-09 00:01:26,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 00:01:26,837 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2018-12-09 00:01:26,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:26,840 INFO L225 Difference]: With dead ends: 1580 [2018-12-09 00:01:26,840 INFO L226 Difference]: Without dead ends: 788 [2018-12-09 00:01:26,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:01:26,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2018-12-09 00:01:26,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 774. [2018-12-09 00:01:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 774 states. [2018-12-09 00:01:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 894 transitions. [2018-12-09 00:01:26,877 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 894 transitions. Word has length 100 [2018-12-09 00:01:26,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:26,877 INFO L480 AbstractCegarLoop]: Abstraction has 774 states and 894 transitions. [2018-12-09 00:01:26,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:01:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 894 transitions. [2018-12-09 00:01:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 00:01:26,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:01:26,879 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:01:26,879 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:01:26,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:26,880 INFO L82 PathProgramCache]: Analyzing trace with hash -977645101, now seen corresponding path program 1 times [2018-12-09 00:01:26,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:01:26,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:01:26,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:26,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:01:26,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:01:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:01:26,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:01:26,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 00:01:26,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:01:26,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:01:26,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:01:26,962 INFO L87 Difference]: Start difference. First operand 774 states and 894 transitions. Second operand 10 states. [2018-12-09 00:01:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:01:27,086 INFO L93 Difference]: Finished difference Result 1525 states and 1766 transitions. [2018-12-09 00:01:27,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 00:01:27,087 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2018-12-09 00:01:27,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:01:27,087 INFO L225 Difference]: With dead ends: 1525 [2018-12-09 00:01:27,087 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:01:27,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:01:27,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:01:27,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:01:27,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:01:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:01:27,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-12-09 00:01:27,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:01:27,091 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:01:27,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:01:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:01:27,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:01:27,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:01:27,699 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2018-12-09 00:01:28,161 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2018-12-09 00:01:28,665 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2018-12-09 00:01:29,084 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2018-12-09 00:01:29,099 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2018-12-09 00:01:29,099 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2018-12-09 00:01:29,100 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2018-12-09 00:01:29,100 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2018-12-09 00:01:29,100 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2018-12-09 00:01:29,100 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-09 00:01:29,100 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-09 00:01:29,100 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:01:29,100 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:01:29,100 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:01:29,100 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:01:29,100 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-09 00:01:29,100 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-09 00:01:29,100 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-09 00:01:29,101 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-09 00:01:29,101 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-09 00:01:29,101 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2018-12-09 00:01:29,101 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2018-12-09 00:01:29,101 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2018-12-09 00:01:29,101 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2018-12-09 00:01:29,101 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2018-12-09 00:01:29,101 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:01:29,101 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-09 00:01:29,101 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-09 00:01:29,101 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2018-12-09 00:01:29,102 INFO L451 ceAbstractionStarter]: At program point L319(line 319) the Hoare annotation is: true [2018-12-09 00:01:29,102 INFO L448 ceAbstractionStarter]: For program point L319-1(line 319) no Hoare annotation was computed. [2018-12-09 00:01:29,102 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2018-12-09 00:01:29,102 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2018-12-09 00:01:29,102 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2018-12-09 00:01:29,102 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2018-12-09 00:01:29,102 INFO L448 ceAbstractionStarter]: For program point L482(lines 482 488) no Hoare annotation was computed. [2018-12-09 00:01:29,102 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2018-12-09 00:01:29,102 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2018-12-09 00:01:29,102 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse5 .cse3 .cse4 .cse6) (or .cse2 .cse1 .cse3 .cse6))) [2018-12-09 00:01:29,102 INFO L444 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse3) (or .cse2 .cse1 .cse3 .cse5))) [2018-12-09 00:01:29,102 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2018-12-09 00:01:29,103 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse5 .cse3) (or .cse5 .cse3 .cse4))) [2018-12-09 00:01:29,103 INFO L444 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse5))) [2018-12-09 00:01:29,103 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2018-12-09 00:01:29,103 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse5))) [2018-12-09 00:01:29,103 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-12-09 00:01:29,103 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2018-12-09 00:01:29,103 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2018-12-09 00:01:29,103 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2018-12-09 00:01:29,103 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 145 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:01:29,103 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-12-09 00:01:29,103 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2018-12-09 00:01:29,103 INFO L444 ceAbstractionStarter]: At program point L203(lines 154 204) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:01:29,103 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-12-09 00:01:29,103 INFO L444 ceAbstractionStarter]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:01:29,103 INFO L448 ceAbstractionStarter]: For program point L156(lines 155 202) no Hoare annotation was computed. [2018-12-09 00:01:29,104 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:01:29,104 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 198) no Hoare annotation was computed. [2018-12-09 00:01:29,104 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:01:29,104 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-12-09 00:01:29,104 INFO L448 ceAbstractionStarter]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2018-12-09 00:01:29,104 INFO L444 ceAbstractionStarter]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse1 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:01:29,104 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse1 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:01:29,104 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-12-09 00:01:29,104 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2018-12-09 00:01:29,104 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2018-12-09 00:01:29,104 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 00:01:29,104 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2018-12-09 00:01:29,104 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2018-12-09 00:01:29,104 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:01:29,104 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-09 00:01:29,104 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L444 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 302) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L444 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point L379(lines 379 383) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L451 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: true [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse2 .cse6 .cse1 .cse3) (or .cse5 .cse4 .cse6 .cse1))) [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2018-12-09 00:01:29,105 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2018-12-09 00:01:29,105 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2018-12-09 00:01:29,106 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2018-12-09 00:01:29,106 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse3 (not (= ~waterLevel~0 2))) (.cse9 (= 0 ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= ~pumpRunning~0 1)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= 1 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse5 .cse4 .cse6) (or .cse1 .cse2 .cse4 .cse6 .cse3) (or .cse7 .cse5 .cse4 .cse8 .cse6) (or .cse0 .cse9 .cse2 .cse4) (or .cse2 .cse7 .cse4 .cse8 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse3) (or .cse2 .cse4 .cse9 .cse6) (or .cse10 .cse5 .cse4 .cse6) (or .cse0 .cse7 .cse5 .cse4 .cse8) (or .cse10 .cse0 .cse5 .cse4) (or .cse0 .cse7 .cse2 .cse4 .cse8))) [2018-12-09 00:01:29,106 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 2)) (.cse6 (not (= ~waterLevel~0 2))) (.cse8 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse3 .cse7 .cse6) (or .cse0 .cse8 .cse5 .cse3) (or .cse5 .cse9 .cse3 .cse10 .cse7) (or .cse5 .cse3 .cse8 .cse7) (or .cse2 .cse1 .cse3 .cse7) (or .cse0 .cse9 .cse5 .cse3 .cse10))) [2018-12-09 00:01:29,106 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2018-12-09 00:01:29,106 INFO L444 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= ~waterLevel~0 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse6 .cse1 .cse7 .cse2) (or .cse8 .cse0 .cse2 .cse9 .cse3) (or .cse6 .cse10 .cse0 .cse4 .cse2) (or .cse6 .cse5 .cse0 .cse2) (or .cse10 .cse0 .cse4 .cse2 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse6 .cse8 .cse0 .cse2 .cse9))) [2018-12-09 00:01:29,106 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2018-12-09 00:01:29,106 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7))) [2018-12-09 00:01:29,106 INFO L448 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2018-12-09 00:01:29,106 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 00:01:29,106 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 00:01:29,106 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 00:01:29,106 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 00:01:29,106 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 00:01:29,106 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 00:01:29,106 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 00:01:29,107 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 00:01:29,107 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 00:01:29,107 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 00:01:29,107 INFO L444 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2018-12-09 00:01:29,107 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2018-12-09 00:01:29,107 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-12-09 00:01:29,107 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2018-12-09 00:01:29,107 INFO L444 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2018-12-09 00:01:29,107 INFO L448 ceAbstractionStarter]: For program point L920-1(line 920) no Hoare annotation was computed. [2018-12-09 00:01:29,107 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 931) no Hoare annotation was computed. [2018-12-09 00:01:29,107 INFO L448 ceAbstractionStarter]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2018-12-09 00:01:29,107 INFO L444 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L451 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-09 00:01:29,108 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2) (or .cse0 .cse4 .cse1 .cse2) (or .cse5 .cse2 .cse0 .cse3))) [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse8 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse2) (or .cse1 .cse8 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse8 .cse2 .cse7) (or .cse7 .cse6 .cse8 .cse2 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse7))) [2018-12-09 00:01:29,108 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2018-12-09 00:01:29,108 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2018-12-09 00:01:29,109 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2018-12-09 00:01:29,109 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2018-12-09 00:01:29,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:01:29 BoogieIcfgContainer [2018-12-09 00:01:29,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:01:29,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:01:29,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:01:29,119 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:01:29,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:01:24" (3/4) ... [2018-12-09 00:01:29,121 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 00:01:29,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 00:01:29,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 00:01:29,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:01:29,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 00:01:29,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 00:01:29,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 00:01:29,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 00:01:29,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 00:01:29,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 00:01:29,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 00:01:29,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 00:01:29,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:01:29,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:01:29,134 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:01:29,156 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:01:29,156 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:01:29,190 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c4582c5-1114-4cbb-8026-8a1b1aadd213/bin-2019/uautomizer/witness.graphml [2018-12-09 00:01:29,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:01:29,191 INFO L168 Benchmark]: Toolchain (without parser) took 5546.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -232.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:01:29,191 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:01:29,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:29,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:01:29,191 INFO L168 Benchmark]: Boogie Preprocessor took 21.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:29,191 INFO L168 Benchmark]: RCFGBuilder took 322.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:29,192 INFO L168 Benchmark]: TraceAbstraction took 4802.66 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 111.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -155.0 MB). Peak memory consumption was 343.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:29,192 INFO L168 Benchmark]: Witness Printer took 71.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:29,193 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4802.66 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 111.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -155.0 MB). Peak memory consumption was 343.6 MB. Max. memory is 11.5 GB. * Witness Printer took 71.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 140 locations, 1 error locations. SAFE Result, 4.7s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1909 SDtfs, 841 SDslu, 7611 SDs, 0 SdLazy, 1664 SolverSat, 151 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=816occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 66 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1639 PreInvPairs, 1748 NumberOfFragments, 2157 HoareAnnotationTreeSize, 1639 FomulaSimplifications, 1403 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8226 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1020 ConstructedInterpolants, 0 QuantifiedInterpolants, 141060 SizeOfPredicates, 6 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...