./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_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_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:58:54,037 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:58:54,038 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:58:54,044 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:58:54,045 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:58:54,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:58:54,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:58:54,047 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:58:54,049 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:58:54,049 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:58:54,050 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:58:54,050 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:58:54,051 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:58:54,051 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:58:54,052 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:58:54,053 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:58:54,053 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:58:54,055 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:58:54,056 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:58:54,057 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:58:54,058 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:58:54,059 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:58:54,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:58:54,061 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:58:54,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:58:54,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:58:54,063 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:58:54,063 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:58:54,064 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:58:54,065 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:58:54,065 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:58:54,065 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:58:54,065 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:58:54,066 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:58:54,066 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:58:54,067 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:58:54,067 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 18:58:54,078 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:58:54,078 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:58:54,078 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:58:54,079 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:58:54,079 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:58:54,079 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:58:54,079 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 18:58:54,080 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:58:54,080 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:58:54,080 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:58:54,080 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:58:54,080 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:58:54,080 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:58:54,080 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:58:54,081 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:58:54,081 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:58:54,081 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:58:54,081 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:58:54,081 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:58:54,081 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:58:54,082 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:58:54,082 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:58:54,082 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:58:54,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:58:54,082 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:58:54,082 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:58:54,082 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:58:54,082 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 18:58:54,082 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:58:54,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:58:54,083 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_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-12-08 18:58:54,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:58:54,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:58:54,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:58:54,117 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:58:54,117 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:58:54,118 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-08 18:58:54,156 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/data/cafe0e2fe/a1fa027af67b4903be8b166ce0f9add2/FLAG0b3bc3606 [2018-12-08 18:58:54,572 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:58:54,572 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-08 18:58:54,579 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/data/cafe0e2fe/a1fa027af67b4903be8b166ce0f9add2/FLAG0b3bc3606 [2018-12-08 18:58:54,587 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/data/cafe0e2fe/a1fa027af67b4903be8b166ce0f9add2 [2018-12-08 18:58:54,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:58:54,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:58:54,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:58:54,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:58:54,592 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:58:54,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54, skipping insertion in model container [2018-12-08 18:58:54,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:58:54,619 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:58:54,767 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:58:54,807 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:58:54,853 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:58:54,869 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:58:54,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54 WrapperNode [2018-12-08 18:58:54,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:58:54,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:58:54,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:58:54,870 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:58:54,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:58:54,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:58:54,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:58:54,891 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:58:54,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (1/1) ... [2018-12-08 18:58:54,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:58:54,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:58:54,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:58:54,916 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:58:54,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/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 18:58:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 18:58:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 18:58:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:58:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:58:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 18:58:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 18:58:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:58:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 18:58:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 18:58:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 18:58:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 18:58:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 18:58:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 18:58:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 18:58:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 18:58:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 18:58:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 18:58:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 18:58:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 18:58:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 18:58:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 18:58:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 18:58:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 18:58:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 18:58:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 18:58:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 18:58:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 18:58:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 18:58:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 18:58:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 18:58:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 18:58:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 18:58:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 18:58:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 18:58:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 18:58:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:58:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:58:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 18:58:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 18:58:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 18:58:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 18:58:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 18:58:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 18:58:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 18:58:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 18:58:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 18:58:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 18:58:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 18:58:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 18:58:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 18:58:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 18:58:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 18:58:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:58:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:58:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 18:58:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 18:58:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 18:58:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 18:58:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:58:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:58:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-08 18:58:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-08 18:58:55,232 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:58:55,232 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 18:58:55,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:58:55 BoogieIcfgContainer [2018-12-08 18:58:55,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:58:55,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:58:55,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:58:55,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:58:55,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:58:54" (1/3) ... [2018-12-08 18:58:55,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b45b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:58:55, skipping insertion in model container [2018-12-08 18:58:55,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:58:54" (2/3) ... [2018-12-08 18:58:55,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b45b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:58:55, skipping insertion in model container [2018-12-08 18:58:55,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:58:55" (3/3) ... [2018-12-08 18:58:55,237 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-08 18:58:55,243 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:58:55,248 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:58:55,257 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:58:55,274 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 18:58:55,275 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:58:55,275 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:58:55,275 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:58:55,275 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:58:55,275 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:58:55,275 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:58:55,275 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:58:55,275 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:58:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-12-08 18:58:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 18:58:55,292 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:55,293 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 18:58:55,294 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:55,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:55,298 INFO L82 PathProgramCache]: Analyzing trace with hash -286614116, now seen corresponding path program 1 times [2018-12-08 18:58:55,299 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:55,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:55,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:55,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:55,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:55,432 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 18:58:55,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:58:55,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 18:58:55,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 18:58:55,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 18:58:55,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:58:55,445 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-12-08 18:58:55,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:55,469 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2018-12-08 18:58:55,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 18:58:55,470 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 18:58:55,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:55,477 INFO L225 Difference]: With dead ends: 288 [2018-12-08 18:58:55,477 INFO L226 Difference]: Without dead ends: 144 [2018-12-08 18:58:55,479 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 18:58:55,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-08 18:58:55,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-08 18:58:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-08 18:58:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-12-08 18:58:55,510 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 46 [2018-12-08 18:58:55,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:55,510 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-12-08 18:58:55,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 18:58:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-12-08 18:58:55,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 18:58:55,512 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:55,512 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 18:58:55,512 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:55,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:55,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1423575062, now seen corresponding path program 1 times [2018-12-08 18:58:55,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:55,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:55,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:55,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:55,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:55,559 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 18:58:55,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:58:55,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:58:55,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:58:55,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:58:55,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:58:55,561 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2018-12-08 18:58:55,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:55,574 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2018-12-08 18:58:55,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:58:55,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 18:58:55,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:55,576 INFO L225 Difference]: With dead ends: 233 [2018-12-08 18:58:55,576 INFO L226 Difference]: Without dead ends: 135 [2018-12-08 18:58:55,577 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 18:58:55,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-08 18:58:55,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-08 18:58:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-08 18:58:55,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2018-12-08 18:58:55,584 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 47 [2018-12-08 18:58:55,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:55,585 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2018-12-08 18:58:55,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:58:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2018-12-08 18:58:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 18:58:55,586 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:55,586 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 18:58:55,586 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:55,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:55,586 INFO L82 PathProgramCache]: Analyzing trace with hash 239457231, now seen corresponding path program 1 times [2018-12-08 18:58:55,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:55,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:55,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:55,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:55,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:55,655 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 18:58:55,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:58:55,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:58:55,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:58:55,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:58:55,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:58:55,656 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand 7 states. [2018-12-08 18:58:55,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:55,832 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2018-12-08 18:58:55,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:58:55,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 18:58:55,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:55,834 INFO L225 Difference]: With dead ends: 246 [2018-12-08 18:58:55,834 INFO L226 Difference]: Without dead ends: 135 [2018-12-08 18:58:55,835 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 18:58:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-08 18:58:55,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-08 18:58:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-08 18:58:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2018-12-08 18:58:55,846 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 52 [2018-12-08 18:58:55,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:55,847 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2018-12-08 18:58:55,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:58:55,847 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2018-12-08 18:58:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 18:58:55,848 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:55,849 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:58:55,849 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:55,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:55,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2048361750, now seen corresponding path program 1 times [2018-12-08 18:58:55,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:55,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:55,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:55,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:55,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:55,914 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 18:58:55,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:58:55,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 18:58:55,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:58:55,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:58:55,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:58:55,916 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 5 states. [2018-12-08 18:58:56,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:56,200 INFO L93 Difference]: Finished difference Result 347 states and 415 transitions. [2018-12-08 18:58:56,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:58:56,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-08 18:58:56,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:56,202 INFO L225 Difference]: With dead ends: 347 [2018-12-08 18:58:56,202 INFO L226 Difference]: Without dead ends: 236 [2018-12-08 18:58:56,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:58:56,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-12-08 18:58:56,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2018-12-08 18:58:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-12-08 18:58:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2018-12-08 18:58:56,217 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 65 [2018-12-08 18:58:56,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:56,217 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2018-12-08 18:58:56,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:58:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2018-12-08 18:58:56,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-08 18:58:56,218 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:56,219 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:58:56,219 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:56,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:56,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1991990108, now seen corresponding path program 1 times [2018-12-08 18:58:56,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:56,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:56,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:56,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:56,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:56,282 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 18:58:56,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:58:56,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:58:56,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:58:56,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:58:56,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:58:56,283 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2018-12-08 18:58:56,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:56,403 INFO L93 Difference]: Finished difference Result 588 states and 688 transitions. [2018-12-08 18:58:56,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:58:56,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-12-08 18:58:56,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:56,406 INFO L225 Difference]: With dead ends: 588 [2018-12-08 18:58:56,406 INFO L226 Difference]: Without dead ends: 395 [2018-12-08 18:58:56,407 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:58:56,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-12-08 18:58:56,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2018-12-08 18:58:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-12-08 18:58:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 442 transitions. [2018-12-08 18:58:56,428 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 442 transitions. Word has length 79 [2018-12-08 18:58:56,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:56,428 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 442 transitions. [2018-12-08 18:58:56,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:58:56,428 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 442 transitions. [2018-12-08 18:58:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 18:58:56,429 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:56,430 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:58:56,430 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:56,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:56,430 INFO L82 PathProgramCache]: Analyzing trace with hash -70999840, now seen corresponding path program 1 times [2018-12-08 18:58:56,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:56,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:56,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:56,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:56,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:56,506 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 18:58:56,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:58:56,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:58:56,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:58:56,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:58:56,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:58:56,507 INFO L87 Difference]: Start difference. First operand 389 states and 442 transitions. Second operand 7 states. [2018-12-08 18:58:56,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:56,835 INFO L93 Difference]: Finished difference Result 424 states and 496 transitions. [2018-12-08 18:58:56,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 18:58:56,835 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-12-08 18:58:56,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:56,837 INFO L225 Difference]: With dead ends: 424 [2018-12-08 18:58:56,837 INFO L226 Difference]: Without dead ends: 421 [2018-12-08 18:58:56,837 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 18:58:56,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-12-08 18:58:56,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 389. [2018-12-08 18:58:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-12-08 18:58:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2018-12-08 18:58:56,853 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 83 [2018-12-08 18:58:56,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:56,853 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2018-12-08 18:58:56,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:58:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2018-12-08 18:58:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 18:58:56,854 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:56,855 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:58:56,855 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:56,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:56,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1722369911, now seen corresponding path program 1 times [2018-12-08 18:58:56,855 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:56,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:56,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:56,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:56,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:58:56,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:58:56,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:58:56,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:58:56,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:58:56,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:58:56,893 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 6 states. [2018-12-08 18:58:56,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:56,929 INFO L93 Difference]: Finished difference Result 768 states and 890 transitions. [2018-12-08 18:58:56,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:58:56,930 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-08 18:58:56,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:56,931 INFO L225 Difference]: With dead ends: 768 [2018-12-08 18:58:56,931 INFO L226 Difference]: Without dead ends: 403 [2018-12-08 18:58:56,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:58:56,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-08 18:58:56,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2018-12-08 18:58:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-12-08 18:58:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 451 transitions. [2018-12-08 18:58:56,945 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 451 transitions. Word has length 99 [2018-12-08 18:58:56,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:56,945 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 451 transitions. [2018-12-08 18:58:56,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:58:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 451 transitions. [2018-12-08 18:58:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 18:58:56,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:56,946 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:58:56,946 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:56,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:56,947 INFO L82 PathProgramCache]: Analyzing trace with hash -828883573, now seen corresponding path program 1 times [2018-12-08 18:58:56,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:56,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:56,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:56,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:56,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:57,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:58:57,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:58:57,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 18:58:57,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 18:58:57,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 18:58:57,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:58:57,015 INFO L87 Difference]: Start difference. First operand 399 states and 451 transitions. Second operand 8 states. [2018-12-08 18:58:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:57,039 INFO L93 Difference]: Finished difference Result 788 states and 912 transitions. [2018-12-08 18:58:57,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:58:57,040 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-08 18:58:57,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:57,041 INFO L225 Difference]: With dead ends: 788 [2018-12-08 18:58:57,041 INFO L226 Difference]: Without dead ends: 413 [2018-12-08 18:58:57,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:58:57,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-12-08 18:58:57,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2018-12-08 18:58:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-08 18:58:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 459 transitions. [2018-12-08 18:58:57,053 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 459 transitions. Word has length 99 [2018-12-08 18:58:57,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:57,054 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 459 transitions. [2018-12-08 18:58:57,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 18:58:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 459 transitions. [2018-12-08 18:58:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 18:58:57,055 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:57,055 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:58:57,055 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:57,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:57,055 INFO L82 PathProgramCache]: Analyzing trace with hash -836642932, now seen corresponding path program 1 times [2018-12-08 18:58:57,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:57,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:57,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:57,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:57,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:58:57,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:58:57,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:58:57,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:58:57,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:58:57,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:58:57,105 INFO L87 Difference]: Start difference. First operand 407 states and 459 transitions. Second operand 4 states. [2018-12-08 18:58:57,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:57,222 INFO L93 Difference]: Finished difference Result 1209 states and 1432 transitions. [2018-12-08 18:58:57,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:58:57,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-08 18:58:57,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:57,226 INFO L225 Difference]: With dead ends: 1209 [2018-12-08 18:58:57,226 INFO L226 Difference]: Without dead ends: 826 [2018-12-08 18:58:57,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:58:57,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2018-12-08 18:58:57,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 811. [2018-12-08 18:58:57,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-08 18:58:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 941 transitions. [2018-12-08 18:58:57,269 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 941 transitions. Word has length 99 [2018-12-08 18:58:57,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:57,269 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 941 transitions. [2018-12-08 18:58:57,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:58:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 941 transitions. [2018-12-08 18:58:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 18:58:57,271 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:57,271 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:58:57,271 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:57,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:57,272 INFO L82 PathProgramCache]: Analyzing trace with hash -835782670, now seen corresponding path program 1 times [2018-12-08 18:58:57,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:57,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:57,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:57,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:57,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 18:58:57,385 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:58:57,385 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/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 18:58:57,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:57,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:58:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:58:57,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:58:57,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 18:58:57,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 18:58:57,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 18:58:57,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 18:58:57,651 INFO L87 Difference]: Start difference. First operand 811 states and 941 transitions. Second operand 19 states. [2018-12-08 18:58:58,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:58,337 INFO L93 Difference]: Finished difference Result 1568 states and 1839 transitions. [2018-12-08 18:58:58,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 18:58:58,337 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2018-12-08 18:58:58,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:58,340 INFO L225 Difference]: With dead ends: 1568 [2018-12-08 18:58:58,341 INFO L226 Difference]: Without dead ends: 781 [2018-12-08 18:58:58,342 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 18:58:58,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2018-12-08 18:58:58,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2018-12-08 18:58:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-12-08 18:58:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 892 transitions. [2018-12-08 18:58:58,369 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 892 transitions. Word has length 103 [2018-12-08 18:58:58,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:58,369 INFO L480 AbstractCegarLoop]: Abstraction has 781 states and 892 transitions. [2018-12-08 18:58:58,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 18:58:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 892 transitions. [2018-12-08 18:58:58,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 18:58:58,371 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:58,371 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:58:58,371 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:58,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:58,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1202923825, now seen corresponding path program 1 times [2018-12-08 18:58:58,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:58,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:58,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:58,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:58,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 18:58:58,430 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:58:58,430 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/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 18:58:58,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:58,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:58:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:58:58,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:58:58,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-08 18:58:58,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:58:58,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:58:58,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:58:58,550 INFO L87 Difference]: Start difference. First operand 781 states and 892 transitions. Second operand 6 states. [2018-12-08 18:58:59,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:58:59,011 INFO L93 Difference]: Finished difference Result 1705 states and 2042 transitions. [2018-12-08 18:58:59,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:58:59,011 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-12-08 18:58:59,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:58:59,014 INFO L225 Difference]: With dead ends: 1705 [2018-12-08 18:58:59,014 INFO L226 Difference]: Without dead ends: 1076 [2018-12-08 18:58:59,016 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:58:59,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2018-12-08 18:58:59,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 969. [2018-12-08 18:58:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-08 18:58:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1124 transitions. [2018-12-08 18:58:59,052 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1124 transitions. Word has length 161 [2018-12-08 18:58:59,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:58:59,052 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1124 transitions. [2018-12-08 18:58:59,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:58:59,052 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1124 transitions. [2018-12-08 18:58:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 18:58:59,054 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:58:59,054 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:58:59,054 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:58:59,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:58:59,054 INFO L82 PathProgramCache]: Analyzing trace with hash -880220171, now seen corresponding path program 1 times [2018-12-08 18:58:59,054 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:58:59,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:58:59,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:59,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:59,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:58:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:59,155 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 18:58:59,155 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:58:59,155 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/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 18:58:59,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:58:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:58:59,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:58:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:58:59,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 18:58:59,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-12-08 18:58:59,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 18:58:59,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 18:58:59,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-08 18:58:59,353 INFO L87 Difference]: Start difference. First operand 969 states and 1124 transitions. Second operand 14 states. [2018-12-08 18:59:00,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:59:00,599 INFO L93 Difference]: Finished difference Result 2693 states and 3413 transitions. [2018-12-08 18:59:00,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-08 18:59:00,599 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-12-08 18:59:00,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:59:00,606 INFO L225 Difference]: With dead ends: 2693 [2018-12-08 18:59:00,606 INFO L226 Difference]: Without dead ends: 1880 [2018-12-08 18:59:00,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-12-08 18:59:00,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2018-12-08 18:59:00,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1557. [2018-12-08 18:59:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1557 states. [2018-12-08 18:59:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 1782 transitions. [2018-12-08 18:59:00,681 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 1782 transitions. Word has length 157 [2018-12-08 18:59:00,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:59:00,682 INFO L480 AbstractCegarLoop]: Abstraction has 1557 states and 1782 transitions. [2018-12-08 18:59:00,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 18:59:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1782 transitions. [2018-12-08 18:59:00,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 18:59:00,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:59:00,683 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:59:00,683 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:59:00,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:59:00,683 INFO L82 PathProgramCache]: Analyzing trace with hash -605460557, now seen corresponding path program 1 times [2018-12-08 18:59:00,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:59:00,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:59:00,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:59:00,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:59:00,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:59:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:59:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 18:59:00,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:59:00,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 18:59:00,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:59:00,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:59:00,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:59:00,753 INFO L87 Difference]: Start difference. First operand 1557 states and 1782 transitions. Second operand 9 states. [2018-12-08 18:59:00,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:59:00,798 INFO L93 Difference]: Finished difference Result 1991 states and 2279 transitions. [2018-12-08 18:59:00,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 18:59:00,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-08 18:59:00,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:59:00,798 INFO L225 Difference]: With dead ends: 1991 [2018-12-08 18:59:00,799 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:59:00,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:59:00,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:59:00,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:59:00,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:59:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:59:00,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-12-08 18:59:00,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:59:00,801 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:59:00,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:59:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:59:00,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:59:00,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 18:59:00,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:00,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:59:01,800 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2018-12-08 18:59:02,857 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2018-12-08 18:59:02,967 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2018-12-08 18:59:02,967 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2018-12-08 18:59:02,967 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2018-12-08 18:59:02,967 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2018-12-08 18:59:02,967 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2018-12-08 18:59:02,967 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:59:02,967 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:59:02,967 INFO L444 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:59:02,967 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2018-12-08 18:59:02,967 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-12-08 18:59:02,967 INFO L448 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2018-12-08 18:59:02,967 INFO L448 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-12-08 18:59:02,967 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:59:02,967 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:59:02,967 INFO L444 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L451 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2018-12-08 18:59:02,968 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L451 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-12-08 18:59:02,968 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse1 .cse5 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 18:59:02,969 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,969 INFO L444 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 .cse4 .cse1 .cse2))) [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2018-12-08 18:59:02,969 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2018-12-08 18:59:02,970 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2018-12-08 18:59:02,970 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:59:02,970 INFO L444 ceAbstractionStarter]: At program point L574(lines 525 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 18:59:02,970 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2018-12-08 18:59:02,970 INFO L448 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-12-08 18:59:02,970 INFO L444 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3))) [2018-12-08 18:59:02,970 INFO L448 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2018-12-08 18:59:02,970 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3))) [2018-12-08 18:59:02,970 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-12-08 18:59:02,970 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2018-12-08 18:59:02,970 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-12-08 18:59:02,970 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2018-12-08 18:59:02,970 INFO L444 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2))) [2018-12-08 18:59:02,970 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2))) [2018-12-08 18:59:02,970 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2018-12-08 18:59:02,970 INFO L448 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2018-12-08 18:59:02,970 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:59:02,971 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 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,971 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-12-08 18:59:02,971 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-12-08 18:59:02,971 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-12-08 18:59:02,972 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-12-08 18:59:02,972 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-12-08 18:59:02,972 INFO L448 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-12-08 18:59:02,972 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse0 .cse3 .cse4 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse1))) [2018-12-08 18:59:02,972 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2018-12-08 18:59:02,972 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2018-12-08 18:59:02,972 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse4))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1) .cse3) (or .cse4 (or .cse0 .cse1 .cse3 .cse5)) (or (or .cse6 .cse3 .cse7) .cse8) (or (or .cse1 .cse3 .cse5 .cse7) (and .cse2 .cse4)) (or (or .cse1 .cse6 .cse3 .cse7) .cse2) (or (or .cse0 .cse6 .cse3) .cse8)))) [2018-12-08 18:59:02,972 INFO L444 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~pumpRunning~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse6 (and (not (= |old(~pumpRunning~0)| 0)) .cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse4 (and .cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 (or .cse7 .cse1 .cse3)) (or (and .cse8 .cse5) (or .cse9 .cse7 .cse1) .cse6) (or .cse4 (or .cse9 .cse0 .cse1 .cse2))))) [2018-12-08 18:59:02,972 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse3 .cse4))) [2018-12-08 18:59:02,972 INFO L448 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2018-12-08 18:59:02,972 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or (or .cse5 .cse3 .cse6 .cse4) .cse0) (or .cse0 (or .cse1 .cse5 .cse3 .cse6)))) [2018-12-08 18:59:02,972 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2018-12-08 18:59:02,972 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2018-12-08 18:59:02,972 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-12-08 18:59:02,972 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-12-08 18:59:02,972 INFO L451 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-12-08 18:59:02,972 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-08 18:59:02,972 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L451 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L451 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2018-12-08 18:59:02,973 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-08 18:59:02,973 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< ~waterLevel~0 2)) (.cse3 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)))) (or .cse0 .cse2 (< ~waterLevel~0 1) .cse3 .cse4) (or .cse0 (or .cse5 .cse3 .cse4)) (or .cse0 (or .cse1 .cse5 .cse3)))) [2018-12-08 18:59:02,973 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2018-12-08 18:59:02,973 INFO L444 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,974 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 18:59:02,974 INFO L448 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2018-12-08 18:59:02,974 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse1))) [2018-12-08 18:59:02,974 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2018-12-08 18:59:02,974 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,974 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2018-12-08 18:59:02,974 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 18:59:02,974 INFO L448 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2018-12-08 18:59:02,974 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2018-12-08 18:59:02,974 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2018-12-08 18:59:02,974 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2018-12-08 18:59:02,974 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (< |old(~waterLevel~0)| 1)) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1))) (and (or (< |old(~waterLevel~0)| 2) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse3)))) [2018-12-08 18:59:02,974 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-08 18:59:02,974 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-08 18:59:02,974 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-08 18:59:02,974 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-08 18:59:02,974 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2018-12-08 18:59:02,975 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 18:59:02,975 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2018-12-08 18:59:02,975 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-12-08 18:59:02,975 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-12-08 18:59:02,975 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-12-08 18:59:02,975 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-08 18:59:02,975 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2018-12-08 18:59:02,975 INFO L451 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2018-12-08 18:59:02,975 INFO L448 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2018-12-08 18:59:02,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:59:02 BoogieIcfgContainer [2018-12-08 18:59:02,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:59:02,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:59:02,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:59:02,983 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:59:02,983 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:58:55" (3/4) ... [2018-12-08 18:59:02,986 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 18:59:02,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 18:59:02,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-08 18:59:02,996 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 18:59:02,996 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 18:59:02,996 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 18:59:02,997 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 18:59:02,997 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 18:59:02,997 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 18:59:03,015 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && systemActive == 1) && splverifierCounter == 0) [2018-12-08 18:59:03,015 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 18:59:03,038 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c40d9c6f-af8e-4bc4-893e-5c9e8b6f3ed6/bin-2019/uautomizer/witness.graphml [2018-12-08 18:59:03,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:59:03,038 INFO L168 Benchmark]: Toolchain (without parser) took 8449.57 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.0 MB). Free memory was 954.9 MB in the beginning and 1.2 GB in the end (delta: -227.3 MB). Peak memory consumption was 161.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:59:03,039 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:59:03,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:59:03,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.45 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 18:59:03,039 INFO L168 Benchmark]: Boogie Preprocessor took 24.22 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 18:59:03,039 INFO L168 Benchmark]: RCFGBuilder took 317.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. [2018-12-08 18:59:03,039 INFO L168 Benchmark]: TraceAbstraction took 7749.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 266.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -144.4 MB). Peak memory consumption was 537.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:59:03,039 INFO L168 Benchmark]: Witness Printer took 54.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-12-08 18:59:03,040 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.45 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 24.22 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 317.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7749.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 266.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -144.4 MB). Peak memory consumption was 537.0 MB. Max. memory is 11.5 GB. * Witness Printer took 54.93 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 157 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2472 SDtfs, 2216 SDslu, 7191 SDs, 0 SdLazy, 4787 SolverSat, 1006 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 592 GetRequests, 472 SyntacticMatches, 3 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1557occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 512 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2375 PreInvPairs, 2452 NumberOfFragments, 2040 HoareAnnotationTreeSize, 2375 FomulaSimplifications, 11666 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 65 FomulaSimplificationsInter, 9273 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1668 NumberOfCodeBlocks, 1668 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1652 ConstructedInterpolants, 0 QuantifiedInterpolants, 320654 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2531 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 188/198 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...