./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product52_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_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/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 ac98b61700c421642ba0cea32b1043bdcac0ece8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:07:17,068 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:07:17,068 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:07:17,074 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:07:17,075 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:07:17,075 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:07:17,076 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:07:17,076 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:07:17,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:07:17,078 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:07:17,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:07:17,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:07:17,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:07:17,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:07:17,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:07:17,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:07:17,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:07:17,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:07:17,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:07:17,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:07:17,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:07:17,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:07:17,085 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:07:17,085 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:07:17,085 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:07:17,085 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:07:17,086 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:07:17,086 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:07:17,087 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:07:17,087 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:07:17,087 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:07:17,088 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:07:17,088 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:07:17,088 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:07:17,088 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:07:17,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:07:17,089 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 18:07:17,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:07:17,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:07:17,096 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:07:17,096 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:07:17,097 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:07:17,097 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:07:17,097 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 18:07:17,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:07:17,097 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:07:17,097 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:07:17,097 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:07:17,097 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:07:17,097 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:07:17,098 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:07:17,098 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:07:17,098 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:07:17,098 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:07:17,098 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:07:17,098 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:07:17,098 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:07:17,098 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:07:17,098 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:07:17,098 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:07:17,098 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:07:17,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:07:17,099 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:07:17,099 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:07:17,099 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 18:07:17,099 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:07:17,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:07:17,099 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_c82232c9-21f4-4c79-b30d-5c3d564db5a7/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 -> ac98b61700c421642ba0cea32b1043bdcac0ece8 [2018-12-08 18:07:17,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:07:17,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:07:17,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:07:17,130 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:07:17,130 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:07:17,131 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product52_true-unreach-call_false-termination.cil.c [2018-12-08 18:07:17,169 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/data/d2757880f/5bbfc50e98e443fcad108214a496521e/FLAG85fb65694 [2018-12-08 18:07:17,597 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:07:17,597 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/sv-benchmarks/c/product-lines/minepump_spec4_product52_true-unreach-call_false-termination.cil.c [2018-12-08 18:07:17,603 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/data/d2757880f/5bbfc50e98e443fcad108214a496521e/FLAG85fb65694 [2018-12-08 18:07:17,611 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/data/d2757880f/5bbfc50e98e443fcad108214a496521e [2018-12-08 18:07:17,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:07:17,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:07:17,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:07:17,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:07:17,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:07:17,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17, skipping insertion in model container [2018-12-08 18:07:17,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:07:17,647 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:07:17,813 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:07:17,851 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:07:17,892 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:07:17,906 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:07:17,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17 WrapperNode [2018-12-08 18:07:17,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:07:17,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:07:17,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:07:17,907 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:07:17,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:07:17,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:07:17,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:07:17,927 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:07:17,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (1/1) ... [2018-12-08 18:07:17,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:07:17,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:07:17,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:07:17,948 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:07:17,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/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 [2018-12-08 18:07:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 18:07:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 18:07:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 18:07:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 18:07:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:07:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:07:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 18:07:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 18:07:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 18:07:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 18:07:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:07:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 18:07:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 18:07:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 18:07:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 18:07:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 18:07:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 18:07:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 18:07:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 18:07:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 18:07:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 18:07:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 18:07:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 18:07:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 18:07:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 18:07:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 18:07:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 18:07:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 18:07:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 18:07:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 18:07:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 18:07:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 18:07:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 18:07:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 18:07:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 18:07:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 18:07:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 18:07:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:07:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:07:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 18:07:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 18:07:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 18:07:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 18:07:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 18:07:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 18:07:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 18:07:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 18:07:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 18:07:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 18:07:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 18:07:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 18:07:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 18:07:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:07:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:07:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 18:07:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 18:07:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 18:07:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 18:07:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:07:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:07:18,264 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:07:18,265 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 18:07:18,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:07:18 BoogieIcfgContainer [2018-12-08 18:07:18,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:07:18,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:07:18,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:07:18,267 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:07:18,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:07:17" (1/3) ... [2018-12-08 18:07:18,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adcd1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:07:18, skipping insertion in model container [2018-12-08 18:07:18,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:07:17" (2/3) ... [2018-12-08 18:07:18,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6adcd1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:07:18, skipping insertion in model container [2018-12-08 18:07:18,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:07:18" (3/3) ... [2018-12-08 18:07:18,269 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52_true-unreach-call_false-termination.cil.c [2018-12-08 18:07:18,275 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:07:18,280 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:07:18,289 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:07:18,306 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 18:07:18,307 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:07:18,307 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:07:18,307 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:07:18,307 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:07:18,307 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:07:18,307 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:07:18,307 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:07:18,307 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:07:18,319 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-12-08 18:07:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 18:07:18,324 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:18,325 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:07:18,326 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:18,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:18,330 INFO L82 PathProgramCache]: Analyzing trace with hash 24610597, now seen corresponding path program 1 times [2018-12-08 18:07:18,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:07:18,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:07:18,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:18,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:18,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:07:18,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:07:18,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 18:07:18,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 18:07:18,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 18:07:18,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:07:18,479 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-12-08 18:07:18,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:18,503 INFO L93 Difference]: Finished difference Result 276 states and 341 transitions. [2018-12-08 18:07:18,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 18:07:18,504 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 18:07:18,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:18,511 INFO L225 Difference]: With dead ends: 276 [2018-12-08 18:07:18,511 INFO L226 Difference]: Without dead ends: 138 [2018-12-08 18:07:18,513 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 [2018-12-08 18:07:18,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-08 18:07:18,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-08 18:07:18,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-08 18:07:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2018-12-08 18:07:18,544 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 46 [2018-12-08 18:07:18,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:18,544 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2018-12-08 18:07:18,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 18:07:18,544 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2018-12-08 18:07:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 18:07:18,546 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:18,546 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:07:18,546 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:18,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:18,546 INFO L82 PathProgramCache]: Analyzing trace with hash -988749938, now seen corresponding path program 1 times [2018-12-08 18:07:18,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:07:18,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:07:18,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:18,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:18,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:18,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:07:18,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:07:18,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:07:18,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:07:18,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:07:18,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:07:18,602 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 3 states. [2018-12-08 18:07:18,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:18,615 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2018-12-08 18:07:18,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:07:18,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 18:07:18,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:18,617 INFO L225 Difference]: With dead ends: 215 [2018-12-08 18:07:18,617 INFO L226 Difference]: Without dead ends: 129 [2018-12-08 18:07:18,617 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 [2018-12-08 18:07:18,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-08 18:07:18,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-08 18:07:18,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-08 18:07:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2018-12-08 18:07:18,625 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 47 [2018-12-08 18:07:18,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:18,625 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2018-12-08 18:07:18,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:07:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2018-12-08 18:07:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 18:07:18,626 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:18,626 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] [2018-12-08 18:07:18,626 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:18,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:18,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1483460467, now seen corresponding path program 1 times [2018-12-08 18:07:18,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:07:18,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:07:18,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:18,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:18,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:18,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:07:18,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:07:18,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:07:18,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:07:18,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:07:18,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:07:18,686 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 7 states. [2018-12-08 18:07:18,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:18,939 INFO L93 Difference]: Finished difference Result 389 states and 470 transitions. [2018-12-08 18:07:18,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:07:18,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 18:07:18,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:18,942 INFO L225 Difference]: With dead ends: 389 [2018-12-08 18:07:18,942 INFO L226 Difference]: Without dead ends: 284 [2018-12-08 18:07:18,943 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 [2018-12-08 18:07:18,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-12-08 18:07:18,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 272. [2018-12-08 18:07:18,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-12-08 18:07:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 328 transitions. [2018-12-08 18:07:18,972 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 328 transitions. Word has length 52 [2018-12-08 18:07:18,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:18,973 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 328 transitions. [2018-12-08 18:07:18,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:07:18,973 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 328 transitions. [2018-12-08 18:07:18,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 18:07:18,975 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:18,975 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] [2018-12-08 18:07:18,975 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:18,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:18,976 INFO L82 PathProgramCache]: Analyzing trace with hash 942558664, now seen corresponding path program 1 times [2018-12-08 18:07:18,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:07:18,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:07:18,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:18,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:18,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:07:19,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:07:19,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 18:07:19,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 18:07:19,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 18:07:19,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:07:19,085 INFO L87 Difference]: Start difference. First operand 272 states and 328 transitions. Second operand 10 states. [2018-12-08 18:07:19,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:19,397 INFO L93 Difference]: Finished difference Result 968 states and 1260 transitions. [2018-12-08 18:07:19,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 18:07:19,398 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-08 18:07:19,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:19,401 INFO L225 Difference]: With dead ends: 968 [2018-12-08 18:07:19,401 INFO L226 Difference]: Without dead ends: 720 [2018-12-08 18:07:19,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-08 18:07:19,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-12-08 18:07:19,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 708. [2018-12-08 18:07:19,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2018-12-08 18:07:19,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 888 transitions. [2018-12-08 18:07:19,448 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 888 transitions. Word has length 57 [2018-12-08 18:07:19,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:19,448 INFO L480 AbstractCegarLoop]: Abstraction has 708 states and 888 transitions. [2018-12-08 18:07:19,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 18:07:19,448 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 888 transitions. [2018-12-08 18:07:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 18:07:19,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:19,452 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] [2018-12-08 18:07:19,452 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:19,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:19,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1580883150, now seen corresponding path program 1 times [2018-12-08 18:07:19,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:07:19,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:07:19,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:19,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:19,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:07:19,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:07:19,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:07:19,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:07:19,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:07:19,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:07:19,514 INFO L87 Difference]: Start difference. First operand 708 states and 888 transitions. Second operand 4 states. [2018-12-08 18:07:19,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:19,742 INFO L93 Difference]: Finished difference Result 1785 states and 2445 transitions. [2018-12-08 18:07:19,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 18:07:19,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-08 18:07:19,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:19,745 INFO L225 Difference]: With dead ends: 1785 [2018-12-08 18:07:19,745 INFO L226 Difference]: Without dead ends: 1101 [2018-12-08 18:07:19,747 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:07:19,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2018-12-08 18:07:19,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 963. [2018-12-08 18:07:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2018-12-08 18:07:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1214 transitions. [2018-12-08 18:07:19,785 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1214 transitions. Word has length 61 [2018-12-08 18:07:19,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:19,786 INFO L480 AbstractCegarLoop]: Abstraction has 963 states and 1214 transitions. [2018-12-08 18:07:19,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:07:19,786 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1214 transitions. [2018-12-08 18:07:19,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 18:07:19,787 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:19,787 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:07:19,787 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:19,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:19,787 INFO L82 PathProgramCache]: Analyzing trace with hash -2119873072, now seen corresponding path program 1 times [2018-12-08 18:07:19,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:07:19,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:07:19,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:19,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:19,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 18:07:19,834 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:07:19,834 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/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 [2018-12-08 18:07:19,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:19,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:07:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 18:07:20,036 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 18:07:20,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-12-08 18:07:20,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 18:07:20,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 18:07:20,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-12-08 18:07:20,037 INFO L87 Difference]: Start difference. First operand 963 states and 1214 transitions. Second operand 12 states. [2018-12-08 18:07:21,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:21,767 INFO L93 Difference]: Finished difference Result 2297 states and 3133 transitions. [2018-12-08 18:07:21,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-08 18:07:21,768 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-12-08 18:07:21,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:21,772 INFO L225 Difference]: With dead ends: 2297 [2018-12-08 18:07:21,772 INFO L226 Difference]: Without dead ends: 1602 [2018-12-08 18:07:21,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-12-08 18:07:21,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2018-12-08 18:07:21,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1391. [2018-12-08 18:07:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2018-12-08 18:07:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1773 transitions. [2018-12-08 18:07:21,825 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1773 transitions. Word has length 89 [2018-12-08 18:07:21,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:21,825 INFO L480 AbstractCegarLoop]: Abstraction has 1391 states and 1773 transitions. [2018-12-08 18:07:21,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 18:07:21,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1773 transitions. [2018-12-08 18:07:21,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 18:07:21,828 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:21,828 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:07:21,828 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:21,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:21,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1502461857, now seen corresponding path program 1 times [2018-12-08 18:07:21,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:07:21,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:07:21,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:21,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:21,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 18:07:21,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:07:21,903 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:07:21,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:21,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:07:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 18:07:22,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:07:22,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-12-08 18:07:22,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:07:22,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:07:22,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:07:22,013 INFO L87 Difference]: Start difference. First operand 1391 states and 1773 transitions. Second operand 6 states. [2018-12-08 18:07:22,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:22,062 INFO L93 Difference]: Finished difference Result 2798 states and 3667 transitions. [2018-12-08 18:07:22,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:07:22,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-08 18:07:22,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:22,068 INFO L225 Difference]: With dead ends: 2798 [2018-12-08 18:07:22,068 INFO L226 Difference]: Without dead ends: 1431 [2018-12-08 18:07:22,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 132 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:07:22,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2018-12-08 18:07:22,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1431. [2018-12-08 18:07:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1431 states. [2018-12-08 18:07:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1817 transitions. [2018-12-08 18:07:22,140 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 1817 transitions. Word has length 134 [2018-12-08 18:07:22,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:22,140 INFO L480 AbstractCegarLoop]: Abstraction has 1431 states and 1817 transitions. [2018-12-08 18:07:22,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:07:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1817 transitions. [2018-12-08 18:07:22,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 18:07:22,143 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:22,144 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:07:22,144 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:22,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:22,144 INFO L82 PathProgramCache]: Analyzing trace with hash -376669089, now seen corresponding path program 1 times [2018-12-08 18:07:22,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:07:22,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:07:22,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:22,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:22,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 18:07:22,217 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:07:22,217 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:07:22,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:22,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:07:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 18:07:22,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:07:22,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-08 18:07:22,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 18:07:22,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 18:07:22,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 18:07:22,392 INFO L87 Difference]: Start difference. First operand 1431 states and 1817 transitions. Second operand 11 states. [2018-12-08 18:07:22,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:22,455 INFO L93 Difference]: Finished difference Result 2673 states and 3480 transitions. [2018-12-08 18:07:22,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:07:22,455 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 134 [2018-12-08 18:07:22,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:22,460 INFO L225 Difference]: With dead ends: 2673 [2018-12-08 18:07:22,460 INFO L226 Difference]: Without dead ends: 1266 [2018-12-08 18:07:22,463 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 18:07:22,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2018-12-08 18:07:22,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1266. [2018-12-08 18:07:22,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1266 states. [2018-12-08 18:07:22,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1593 transitions. [2018-12-08 18:07:22,521 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1593 transitions. Word has length 134 [2018-12-08 18:07:22,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:22,521 INFO L480 AbstractCegarLoop]: Abstraction has 1266 states and 1593 transitions. [2018-12-08 18:07:22,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 18:07:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1593 transitions. [2018-12-08 18:07:22,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 18:07:22,522 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:22,522 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:07:22,523 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:22,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:22,523 INFO L82 PathProgramCache]: Analyzing trace with hash -61862216, now seen corresponding path program 1 times [2018-12-08 18:07:22,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:07:22,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:07:22,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:22,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:22,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 18:07:22,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:07:22,605 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:07:22,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:22,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:07:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:07:22,737 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 18:07:22,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-12-08 18:07:22,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 18:07:22,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 18:07:22,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-08 18:07:22,738 INFO L87 Difference]: Start difference. First operand 1266 states and 1593 transitions. Second operand 14 states. [2018-12-08 18:07:23,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:23,861 INFO L93 Difference]: Finished difference Result 2860 states and 3907 transitions. [2018-12-08 18:07:23,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-08 18:07:23,861 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2018-12-08 18:07:23,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:23,866 INFO L225 Difference]: With dead ends: 2860 [2018-12-08 18:07:23,866 INFO L226 Difference]: Without dead ends: 1777 [2018-12-08 18:07:23,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-12-08 18:07:23,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2018-12-08 18:07:23,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1466. [2018-12-08 18:07:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1466 states. [2018-12-08 18:07:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1827 transitions. [2018-12-08 18:07:23,916 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1827 transitions. Word has length 138 [2018-12-08 18:07:23,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:23,916 INFO L480 AbstractCegarLoop]: Abstraction has 1466 states and 1827 transitions. [2018-12-08 18:07:23,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 18:07:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1827 transitions. [2018-12-08 18:07:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 18:07:23,919 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:07:23,919 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:07:23,919 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:07:23,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:07:23,920 INFO L82 PathProgramCache]: Analyzing trace with hash 40283592, now seen corresponding path program 1 times [2018-12-08 18:07:23,920 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:07:23,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:07:23,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:23,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:23,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:07:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-08 18:07:23,988 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:07:23,988 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:07:23,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:07:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:07:24,063 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:07:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 18:07:24,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:07:24,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-08 18:07:24,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 18:07:24,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 18:07:24,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 18:07:24,123 INFO L87 Difference]: Start difference. First operand 1466 states and 1827 transitions. Second operand 13 states. [2018-12-08 18:07:24,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:07:24,168 INFO L93 Difference]: Finished difference Result 1957 states and 2435 transitions. [2018-12-08 18:07:24,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 18:07:24,169 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2018-12-08 18:07:24,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:07:24,169 INFO L225 Difference]: With dead ends: 1957 [2018-12-08 18:07:24,169 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:07:24,171 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-08 18:07:24,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:07:24,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:07:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:07:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:07:24,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2018-12-08 18:07:24,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:07:24,172 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:07:24,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 18:07:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:07:24,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:07:24,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 18:07:24,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:24,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:07:25,791 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 932 938) the Hoare annotation is: true [2018-12-08 18:07:25,792 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 932 938) no Hoare annotation was computed. [2018-12-08 18:07:25,792 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 939 947) no Hoare annotation was computed. [2018-12-08 18:07:25,792 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 939 947) the Hoare annotation is: true [2018-12-08 18:07:25,792 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 939 947) no Hoare annotation was computed. [2018-12-08 18:07:25,792 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 958 982) the Hoare annotation is: true [2018-12-08 18:07:25,792 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 958 982) no Hoare annotation was computed. [2018-12-08 18:07:25,792 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-12-08 18:07:25,792 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 976) no Hoare annotation was computed. [2018-12-08 18:07:25,792 INFO L444 ceAbstractionStarter]: At program point L968(line 968) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1) (or .cse0 .cse1))) [2018-12-08 18:07:25,792 INFO L448 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2018-12-08 18:07:25,792 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 979) no Hoare annotation was computed. [2018-12-08 18:07:25,792 INFO L448 ceAbstractionStarter]: For program point L966-1(lines 958 982) no Hoare annotation was computed. [2018-12-08 18:07:25,792 INFO L451 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: true [2018-12-08 18:07:25,792 INFO L448 ceAbstractionStarter]: For program point L964-1(line 964) no Hoare annotation was computed. [2018-12-08 18:07:25,792 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:07:25,792 INFO L444 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:07:25,792 INFO L444 ceAbstractionStarter]: At program point L896-1(line 896) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:07:25,793 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 890 912) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 890 912) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 890 912) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L444 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~8 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:07:25,793 INFO L444 ceAbstractionStarter]: At program point L902-1(line 902) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~8 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 907) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point L900-1(lines 900 907) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point L898(line 898) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 355 369) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (and (or (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 365) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 355 369) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (not (= ~systemActive~0 0)) .cse0) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 355 369) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 336 354) the Hoare annotation is: true [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 349) no Hoare annotation was computed. [2018-12-08 18:07:25,793 INFO L451 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: true [2018-12-08 18:07:25,793 INFO L448 ceAbstractionStarter]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point L343-1(line 343) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 336 354) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 336 354) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 925 931) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 925 931) the Hoare annotation is: true [2018-12-08 18:07:25,794 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 877 886) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 877 886) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 877 886) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point L226-1(line 226) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 241) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-08 18:07:25,794 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1)) [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L444 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-08 18:07:25,794 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (and (= processEnvironment_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 18:07:25,794 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2018-12-08 18:07:25,794 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-12-08 18:07:25,795 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-08 18:07:25,795 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-08 18:07:25,795 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-08 18:07:25,795 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-08 18:07:25,795 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2018-12-08 18:07:25,795 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2018-12-08 18:07:25,795 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 380 447) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:07:25,795 INFO L444 ceAbstractionStarter]: At program point L440(lines 389 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:07:25,795 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 380 447) no Hoare annotation was computed. [2018-12-08 18:07:25,795 INFO L444 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:07:25,795 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 434) no Hoare annotation was computed. [2018-12-08 18:07:25,795 INFO L444 ceAbstractionStarter]: At program point L428-1(lines 420 435) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:07:25,795 INFO L448 ceAbstractionStarter]: For program point L391(lines 390 439) no Hoare annotation was computed. [2018-12-08 18:07:25,795 INFO L444 ceAbstractionStarter]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:07:25,795 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 435) no Hoare annotation was computed. [2018-12-08 18:07:25,795 INFO L444 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:07:25,795 INFO L448 ceAbstractionStarter]: For program point L410(lines 410 416) no Hoare annotation was computed. [2018-12-08 18:07:25,795 INFO L448 ceAbstractionStarter]: For program point L410-1(lines 410 416) no Hoare annotation was computed. [2018-12-08 18:07:25,795 INFO L444 ceAbstractionStarter]: At program point L437(lines 390 439) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:07:25,796 INFO L444 ceAbstractionStarter]: At program point L402(line 402) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0))) [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point L400(lines 400 406) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 400 406) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point L392(lines 392 396) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 380 447) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L451 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-12-08 18:07:25,796 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2018-12-08 18:07:25,797 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 816 845) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L448 ceAbstractionStarter]: For program point L830(lines 830 834) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L451 ceAbstractionStarter]: At program point L830-1(lines 830 834) the Hoare annotation is: true [2018-12-08 18:07:25,797 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 816 845) the Hoare annotation is: true [2018-12-08 18:07:25,797 INFO L448 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L451 ceAbstractionStarter]: At program point L826-2(lines 826 840) the Hoare annotation is: true [2018-12-08 18:07:25,797 INFO L451 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: true [2018-12-08 18:07:25,797 INFO L448 ceAbstractionStarter]: For program point L822-1(line 822) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L451 ceAbstractionStarter]: At program point L841(lines 816 845) the Hoare annotation is: true [2018-12-08 18:07:25,797 INFO L448 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0) (or .cse0 (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)))) [2018-12-08 18:07:25,797 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 0))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not .cse4)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or (and .cse1 .cse2) .cse0 .cse5)))) [2018-12-08 18:07:25,797 INFO L444 ceAbstractionStarter]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (<= 2 ~waterLevel~0))) (and (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not .cse1) .cse2) (< |old(~waterLevel~0)| 1) (and .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (let ((.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse1 (< |old(~waterLevel~0)| 2) (and .cse0 .cse3) (and (= 0 ~pumpRunning~0) .cse3))))) [2018-12-08 18:07:25,797 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2018-12-08 18:07:25,797 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L448 ceAbstractionStarter]: For program point L166(lines 165 184) no Hoare annotation was computed. [2018-12-08 18:07:25,797 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2)) [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 870 876) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 870 876) the Hoare annotation is: true [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-08 18:07:25,798 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: true [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (or .cse0 .cse1) .cse2 (< ~waterLevel~0 2)))) [2018-12-08 18:07:25,798 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2018-12-08 18:07:25,798 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-08 18:07:25,799 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-08 18:07:25,799 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-12-08 18:07:25,799 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2018-12-08 18:07:25,799 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2018-12-08 18:07:25,799 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2018-12-08 18:07:25,799 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2018-12-08 18:07:25,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:07:25 BoogieIcfgContainer [2018-12-08 18:07:25,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:07:25,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:07:25,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:07:25,807 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:07:25,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:07:18" (3/4) ... [2018-12-08 18:07:25,810 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 18:07:25,814 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 18:07:25,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 18:07:25,820 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 18:07:25,820 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 18:07:25,821 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 18:07:25,821 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 18:07:25,821 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 18:07:25,822 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 18:07:25,840 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-12-08 18:07:25,840 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 18:07:25,867 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c82232c9-21f4-4c79-b30d-5c3d564db5a7/bin-2019/uautomizer/witness.graphml [2018-12-08 18:07:25,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:07:25,867 INFO L168 Benchmark]: Toolchain (without parser) took 8254.29 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 427.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:07:25,868 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-08 18:07:25,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:07:25,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:07:25,868 INFO L168 Benchmark]: Boogie Preprocessor took 20.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:07:25,868 INFO L168 Benchmark]: RCFGBuilder took 317.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. [2018-12-08 18:07:25,868 INFO L168 Benchmark]: TraceAbstraction took 7540.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 296.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -91.6 MB). Peak memory consumption was 560.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:07:25,869 INFO L168 Benchmark]: Witness Printer took 60.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:07:25,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 317.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.3 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7540.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 296.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -91.6 MB). Peak memory consumption was 560.0 MB. Max. memory is 11.5 GB. * Witness Printer took 60.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 389]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((0 == pumpRunning && splverifierCounter == 0) && \old(waterLevel) <= waterLevel)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 7.4s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1743 SDtfs, 2344 SDslu, 5791 SDs, 0 SdLazy, 5478 SolverSat, 1464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 867 GetRequests, 725 SyntacticMatches, 4 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1466occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 684 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 3214 PreInvPairs, 3325 NumberOfFragments, 1012 HoareAnnotationTreeSize, 3214 FomulaSimplifications, 10378 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 9487 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1637 NumberOfCodeBlocks, 1637 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1622 ConstructedInterpolants, 0 QuantifiedInterpolants, 292330 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4193 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 409/446 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...