./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_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_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/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 06aae21f289bee6dc7cb083e66e9be5f9a234275 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:08:57,882 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:08:57,883 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:08:57,889 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:08:57,889 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:08:57,889 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:08:57,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:08:57,891 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:08:57,892 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:08:57,892 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:08:57,893 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:08:57,893 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:08:57,893 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:08:57,894 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:08:57,894 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:08:57,895 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:08:57,895 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:08:57,896 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:08:57,897 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:08:57,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:08:57,898 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:08:57,899 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:08:57,900 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:08:57,900 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:08:57,900 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:08:57,901 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:08:57,901 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:08:57,902 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:08:57,902 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:08:57,903 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:08:57,903 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:08:57,903 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:08:57,903 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:08:57,903 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:08:57,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:08:57,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:08:57,904 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-03 01:08:57,912 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:08:57,912 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:08:57,912 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:08:57,912 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:08:57,913 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:08:57,913 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:08:57,913 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 01:08:57,913 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:08:57,913 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:08:57,913 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:08:57,913 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:08:57,913 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:08:57,913 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:08:57,913 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:08:57,913 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:08:57,914 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:08:57,914 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:08:57,914 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:08:57,914 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:08:57,914 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:08:57,914 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:08:57,914 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:08:57,914 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:08:57,914 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:08:57,914 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:08:57,914 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:08:57,914 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:08:57,915 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-03 01:08:57,915 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:08:57,915 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:08:57,915 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_e965a41e-93db-43bd-b41c-d851bc67b29e/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 -> 06aae21f289bee6dc7cb083e66e9be5f9a234275 [2018-12-03 01:08:57,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:08:57,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:08:57,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:08:57,945 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:08:57,946 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:08:57,946 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-12-03 01:08:57,990 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/data/a4f5e7637/3023cd49fb2a4309b35d60292259a9d2/FLAGaecc05d3e [2018-12-03 01:08:58,312 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:08:58,312 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-12-03 01:08:58,319 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/data/a4f5e7637/3023cd49fb2a4309b35d60292259a9d2/FLAGaecc05d3e [2018-12-03 01:08:58,327 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/data/a4f5e7637/3023cd49fb2a4309b35d60292259a9d2 [2018-12-03 01:08:58,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:08:58,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:08:58,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:08:58,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:08:58,332 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:08:58,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8a763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58, skipping insertion in model container [2018-12-03 01:08:58,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:08:58,359 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:08:58,510 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:08:58,554 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:08:58,595 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:08:58,612 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:08:58,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58 WrapperNode [2018-12-03 01:08:58,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:08:58,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:08:58,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:08:58,613 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:08:58,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:08:58,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:08:58,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:08:58,634 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:08:58,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (1/1) ... [2018-12-03 01:08:58,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:08:58,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:08:58,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:08:58,656 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:08:58,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/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 [2018-12-03 01:08:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 01:08:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 01:08:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:08:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:08:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 01:08:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 01:08:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 01:08:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 01:08:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:08:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 01:08:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 01:08:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 01:08:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 01:08:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 01:08:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 01:08:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 01:08:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 01:08:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 01:08:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 01:08:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:08:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:08:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 01:08:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 01:08:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 01:08:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 01:08:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 01:08:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 01:08:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 01:08:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 01:08:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 01:08:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 01:08:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 01:08:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 01:08:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 01:08:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 01:08:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:08:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:08:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 01:08:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 01:08:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 01:08:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 01:08:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 01:08:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 01:08:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 01:08:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 01:08:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 01:08:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 01:08:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 01:08:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 01:08:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 01:08:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 01:08:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 01:08:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 01:08:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 01:08:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:08:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:08:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 01:08:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 01:08:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 01:08:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 01:08:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:08:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:08:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-03 01:08:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-03 01:08:59,007 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:08:59,008 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 01:08:59,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:59 BoogieIcfgContainer [2018-12-03 01:08:59,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:08:59,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:08:59,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:08:59,012 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:08:59,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:08:58" (1/3) ... [2018-12-03 01:08:59,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47721151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:08:59, skipping insertion in model container [2018-12-03 01:08:59,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:58" (2/3) ... [2018-12-03 01:08:59,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47721151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:08:59, skipping insertion in model container [2018-12-03 01:08:59,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:59" (3/3) ... [2018-12-03 01:08:59,014 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-12-03 01:08:59,023 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:08:59,028 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:08:59,037 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:08:59,055 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 01:08:59,056 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:08:59,056 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 01:08:59,056 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:08:59,056 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:08:59,056 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:08:59,056 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:08:59,056 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:08:59,056 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:08:59,074 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-12-03 01:08:59,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 01:08:59,081 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:08:59,082 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] [2018-12-03 01:08:59,084 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:08:59,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:08:59,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1088760993, now seen corresponding path program 1 times [2018-12-03 01:08:59,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:08:59,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:08:59,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:08:59,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:08:59,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:08:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:08:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:08:59,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:08:59,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:08:59,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 01:08:59,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 01:08:59,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:08:59,258 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-12-03 01:08:59,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:08:59,282 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2018-12-03 01:08:59,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 01:08:59,283 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-03 01:08:59,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:08:59,290 INFO L225 Difference]: With dead ends: 312 [2018-12-03 01:08:59,290 INFO L226 Difference]: Without dead ends: 156 [2018-12-03 01:08:59,292 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 [2018-12-03 01:08:59,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-12-03 01:08:59,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-12-03 01:08:59,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-12-03 01:08:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 187 transitions. [2018-12-03 01:08:59,324 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 187 transitions. Word has length 46 [2018-12-03 01:08:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:08:59,324 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 187 transitions. [2018-12-03 01:08:59,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 01:08:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 187 transitions. [2018-12-03 01:08:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 01:08:59,326 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:08:59,326 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] [2018-12-03 01:08:59,326 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:08:59,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:08:59,326 INFO L82 PathProgramCache]: Analyzing trace with hash -767274034, now seen corresponding path program 1 times [2018-12-03 01:08:59,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:08:59,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:08:59,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:08:59,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:08:59,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:08:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:08:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:08:59,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:08:59,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:08:59,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:08:59,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:08:59,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:08:59,387 INFO L87 Difference]: Start difference. First operand 156 states and 187 transitions. Second operand 3 states. [2018-12-03 01:08:59,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:08:59,405 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-12-03 01:08:59,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:08:59,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-03 01:08:59,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:08:59,407 INFO L225 Difference]: With dead ends: 255 [2018-12-03 01:08:59,407 INFO L226 Difference]: Without dead ends: 147 [2018-12-03 01:08:59,408 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 [2018-12-03 01:08:59,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-03 01:08:59,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-03 01:08:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-03 01:08:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2018-12-03 01:08:59,417 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 47 [2018-12-03 01:08:59,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:08:59,417 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2018-12-03 01:08:59,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:08:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2018-12-03 01:08:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 01:08:59,418 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:08:59,418 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:08:59,418 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:08:59,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:08:59,418 INFO L82 PathProgramCache]: Analyzing trace with hash -960889978, now seen corresponding path program 1 times [2018-12-03 01:08:59,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:08:59,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:08:59,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:08:59,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:08:59,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:08:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:08:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:08:59,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:08:59,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 01:08:59,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 01:08:59,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 01:08:59,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:08:59,506 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 7 states. [2018-12-03 01:08:59,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:08:59,807 INFO L93 Difference]: Finished difference Result 443 states and 543 transitions. [2018-12-03 01:08:59,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:08:59,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-03 01:08:59,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:08:59,811 INFO L225 Difference]: With dead ends: 443 [2018-12-03 01:08:59,811 INFO L226 Difference]: Without dead ends: 320 [2018-12-03 01:08:59,812 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 [2018-12-03 01:08:59,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-03 01:08:59,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2018-12-03 01:08:59,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-12-03 01:08:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 382 transitions. [2018-12-03 01:08:59,841 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 382 transitions. Word has length 51 [2018-12-03 01:08:59,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:08:59,841 INFO L480 AbstractCegarLoop]: Abstraction has 312 states and 382 transitions. [2018-12-03 01:08:59,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 01:08:59,842 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 382 transitions. [2018-12-03 01:08:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 01:08:59,844 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:08:59,844 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:08:59,844 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:08:59,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:08:59,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1600438353, now seen corresponding path program 1 times [2018-12-03 01:08:59,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:08:59,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:08:59,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:08:59,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:08:59,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:08:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:08:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:08:59,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:08:59,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:08:59,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:08:59,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:08:59,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:08:59,907 INFO L87 Difference]: Start difference. First operand 312 states and 382 transitions. Second operand 6 states. [2018-12-03 01:09:00,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:09:00,052 INFO L93 Difference]: Finished difference Result 873 states and 1094 transitions. [2018-12-03 01:09:00,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:09:00,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-03 01:09:00,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:09:00,055 INFO L225 Difference]: With dead ends: 873 [2018-12-03 01:09:00,055 INFO L226 Difference]: Without dead ends: 585 [2018-12-03 01:09:00,057 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 [2018-12-03 01:09:00,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2018-12-03 01:09:00,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 579. [2018-12-03 01:09:00,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2018-12-03 01:09:00,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 714 transitions. [2018-12-03 01:09:00,088 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 714 transitions. Word has length 57 [2018-12-03 01:09:00,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:09:00,089 INFO L480 AbstractCegarLoop]: Abstraction has 579 states and 714 transitions. [2018-12-03 01:09:00,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:09:00,089 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 714 transitions. [2018-12-03 01:09:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-03 01:09:00,091 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:09:00,091 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:09:00,091 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:09:00,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:09:00,091 INFO L82 PathProgramCache]: Analyzing trace with hash 639771605, now seen corresponding path program 1 times [2018-12-03 01:09:00,091 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:09:00,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:09:00,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:00,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:09:00,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:00,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:09:00,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:09:00,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:09:00,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:09:00,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:09:00,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:09:00,159 INFO L87 Difference]: Start difference. First operand 579 states and 714 transitions. Second operand 6 states. [2018-12-03 01:09:00,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:09:00,293 INFO L93 Difference]: Finished difference Result 1364 states and 1744 transitions. [2018-12-03 01:09:00,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:09:00,294 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-12-03 01:09:00,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:09:00,296 INFO L225 Difference]: With dead ends: 1364 [2018-12-03 01:09:00,296 INFO L226 Difference]: Without dead ends: 809 [2018-12-03 01:09:00,298 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:09:00,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2018-12-03 01:09:00,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 791. [2018-12-03 01:09:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-03 01:09:00,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 967 transitions. [2018-12-03 01:09:00,329 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 967 transitions. Word has length 61 [2018-12-03 01:09:00,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:09:00,330 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 967 transitions. [2018-12-03 01:09:00,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:09:00,330 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 967 transitions. [2018-12-03 01:09:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-03 01:09:00,343 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:09:00,343 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] [2018-12-03 01:09:00,343 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:09:00,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:09:00,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1209946507, now seen corresponding path program 1 times [2018-12-03 01:09:00,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:09:00,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:09:00,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:00,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:09:00,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:09:00,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:09:00,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:09:00,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:09:00,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:09:00,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:09:00,415 INFO L87 Difference]: Start difference. First operand 791 states and 967 transitions. Second operand 6 states. [2018-12-03 01:09:00,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:09:00,455 INFO L93 Difference]: Finished difference Result 1586 states and 2014 transitions. [2018-12-03 01:09:00,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 01:09:00,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-03 01:09:00,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:09:00,458 INFO L225 Difference]: With dead ends: 1586 [2018-12-03 01:09:00,458 INFO L226 Difference]: Without dead ends: 819 [2018-12-03 01:09:00,459 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 [2018-12-03 01:09:00,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-12-03 01:09:00,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2018-12-03 01:09:00,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-03 01:09:00,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 987 transitions. [2018-12-03 01:09:00,482 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 987 transitions. Word has length 103 [2018-12-03 01:09:00,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:09:00,482 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 987 transitions. [2018-12-03 01:09:00,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:09:00,482 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 987 transitions. [2018-12-03 01:09:00,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-03 01:09:00,483 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:09:00,483 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] [2018-12-03 01:09:00,483 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:09:00,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:09:00,483 INFO L82 PathProgramCache]: Analyzing trace with hash 856858125, now seen corresponding path program 1 times [2018-12-03 01:09:00,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:09:00,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:09:00,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:00,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:09:00,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:09:00,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:09:00,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 01:09:00,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 01:09:00,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 01:09:00,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 01:09:00,533 INFO L87 Difference]: Start difference. First operand 811 states and 987 transitions. Second operand 8 states. [2018-12-03 01:09:00,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:09:00,574 INFO L93 Difference]: Finished difference Result 1626 states and 2054 transitions. [2018-12-03 01:09:00,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:09:00,574 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-03 01:09:00,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:09:00,577 INFO L225 Difference]: With dead ends: 1626 [2018-12-03 01:09:00,577 INFO L226 Difference]: Without dead ends: 839 [2018-12-03 01:09:00,578 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 [2018-12-03 01:09:00,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-12-03 01:09:00,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2018-12-03 01:09:00,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-12-03 01:09:00,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1003 transitions. [2018-12-03 01:09:00,602 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1003 transitions. Word has length 103 [2018-12-03 01:09:00,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:09:00,602 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 1003 transitions. [2018-12-03 01:09:00,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 01:09:00,602 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1003 transitions. [2018-12-03 01:09:00,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-03 01:09:00,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:09:00,604 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] [2018-12-03 01:09:00,604 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:09:00,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:09:00,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1990048718, now seen corresponding path program 1 times [2018-12-03 01:09:00,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:09:00,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:09:00,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:00,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:09:00,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:09:00,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:09:00,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 01:09:00,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 01:09:00,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 01:09:00,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:09:00,660 INFO L87 Difference]: Start difference. First operand 827 states and 1003 transitions. Second operand 4 states. [2018-12-03 01:09:00,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:09:00,838 INFO L93 Difference]: Finished difference Result 2661 states and 3378 transitions. [2018-12-03 01:09:00,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 01:09:00,838 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-03 01:09:00,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:09:00,846 INFO L225 Difference]: With dead ends: 2661 [2018-12-03 01:09:00,846 INFO L226 Difference]: Without dead ends: 1858 [2018-12-03 01:09:00,848 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 [2018-12-03 01:09:00,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2018-12-03 01:09:00,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1827. [2018-12-03 01:09:00,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-12-03 01:09:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2263 transitions. [2018-12-03 01:09:00,907 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2263 transitions. Word has length 103 [2018-12-03 01:09:00,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:09:00,907 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2263 transitions. [2018-12-03 01:09:00,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 01:09:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2263 transitions. [2018-12-03 01:09:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-03 01:09:00,909 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:09:00,910 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, 1, 1, 1, 1] [2018-12-03 01:09:00,910 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:09:00,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:09:00,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1724957708, now seen corresponding path program 1 times [2018-12-03 01:09:00,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:09:00,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:09:00,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:00,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:09:00,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:09:01,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:09:01,001 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/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 [2018-12-03 01:09:01,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:09:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:01,076 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:09:01,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:09:01,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:09:01,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-03 01:09:01,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-03 01:09:01,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-03 01:09:01,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-03 01:09:01,203 INFO L87 Difference]: Start difference. First operand 1827 states and 2263 transitions. Second operand 19 states. [2018-12-03 01:09:01,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:09:01,969 INFO L93 Difference]: Finished difference Result 3614 states and 4534 transitions. [2018-12-03 01:09:01,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-03 01:09:01,970 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-12-03 01:09:01,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:09:01,974 INFO L225 Difference]: With dead ends: 3614 [2018-12-03 01:09:01,974 INFO L226 Difference]: Without dead ends: 1811 [2018-12-03 01:09:01,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-03 01:09:01,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2018-12-03 01:09:02,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2018-12-03 01:09:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2018-12-03 01:09:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2193 transitions. [2018-12-03 01:09:02,028 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2193 transitions. Word has length 107 [2018-12-03 01:09:02,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:09:02,028 INFO L480 AbstractCegarLoop]: Abstraction has 1811 states and 2193 transitions. [2018-12-03 01:09:02,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-03 01:09:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2193 transitions. [2018-12-03 01:09:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-03 01:09:02,032 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:09:02,032 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:09:02,032 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:09:02,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:09:02,032 INFO L82 PathProgramCache]: Analyzing trace with hash 56514822, now seen corresponding path program 1 times [2018-12-03 01:09:02,032 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-03 01:09:02,032 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-03 01:09:02,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:02,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:09:02,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:09:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-03 01:09:02,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:09:02,123 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/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 [2018-12-03 01:09:02,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:09:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:02,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:09:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 01:09:02,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:09:02,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-03 01:09:02,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-03 01:09:02,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-03 01:09:02,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-03 01:09:02,325 INFO L87 Difference]: Start difference. First operand 1811 states and 2193 transitions. Second operand 19 states. [2018-12-03 01:09:03,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:09:03,025 INFO L93 Difference]: Finished difference Result 3047 states and 3755 transitions. [2018-12-03 01:09:03,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-03 01:09:03,025 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2018-12-03 01:09:03,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:09:03,026 INFO L225 Difference]: With dead ends: 3047 [2018-12-03 01:09:03,026 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 01:09:03,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-03 01:09:03,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 01:09:03,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 01:09:03,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 01:09:03,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 01:09:03,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-12-03 01:09:03,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:09:03,043 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:09:03,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-03 01:09:03,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 01:09:03,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:09:03,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 01:09:03,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:09:03,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:09:03,644 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2018-12-03 01:09:04,050 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 31 [2018-12-03 01:09:04,572 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2018-12-03 01:09:05,140 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2018-12-03 01:09:05,140 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2018-12-03 01:09:05,140 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2018-12-03 01:09:05,140 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2018-12-03 01:09:05,140 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1006 1014) no Hoare annotation was computed. [2018-12-03 01:09:05,140 INFO L444 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:09:05,140 INFO L444 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:09:05,140 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:09:05,140 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2018-12-03 01:09:05,140 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2018-12-03 01:09:05,140 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:09:05,141 INFO L444 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:09:05,141 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2018-12-03 01:09:05,141 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2018-12-03 01:09:05,141 INFO L448 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2018-12-03 01:09:05,141 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:09:05,141 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-03 01:09:05,141 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-03 01:09:05,141 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-12-03 01:09:05,141 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-03 01:09:05,141 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-12-03 01:09:05,141 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-12-03 01:09:05,141 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-03 01:09:05,141 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (not (= ~systemActive~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse0 .cse4 .cse5) (or .cse5 .cse4 .cse6) (or .cse1 .cse6 .cse2) (or .cse3 .cse6))) [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (not (= ~systemActive~0 0))) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse5 .cse6) (or .cse4 .cse3 .cse7) (or .cse1 .cse7 .cse2) (or .cse5 .cse6 .cse7))) [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 291 305) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L451 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2018-12-03 01:09:05,142 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2018-12-03 01:09:05,142 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L451 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 967) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 957 970) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L444 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L444 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= processEnvironment_~tmp~2 ~methaneLevelCritical~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-03 01:09:05,143 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2018-12-03 01:09:05,143 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 .cse0 (= processEnvironment_~tmp~2 ~methaneLevelCritical~0)) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2018-12-03 01:09:05,143 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-03 01:09:05,144 INFO L448 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2018-12-03 01:09:05,144 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-03 01:09:05,144 INFO L448 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-12-03 01:09:05,144 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2018-12-03 01:09:05,144 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-12-03 01:09:05,144 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-12-03 01:09:05,144 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:09:05,144 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2018-12-03 01:09:05,144 INFO L444 ceAbstractionStarter]: At program point L368(lines 319 369) 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))) [2018-12-03 01:09:05,144 INFO L444 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 01:09:05,144 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2018-12-03 01:09:05,144 INFO L444 ceAbstractionStarter]: At program point L356-1(lines 350 363) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2) (and .cse4 .cse0 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse3 .cse2))) [2018-12-03 01:09:05,144 INFO L448 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2018-12-03 01:09:05,144 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2018-12-03 01:09:05,144 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-03 01:09:05,144 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2018-12-03 01:09:05,144 INFO L448 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2018-12-03 01:09:05,144 INFO L444 ceAbstractionStarter]: At program point L365(lines 320 367) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-03 01:09:05,145 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 971 979) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 01:09:05,145 INFO L444 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= 0 ~pumpRunning~0) (= activatePump_~tmp~3 ~methaneLevelCritical~0)) (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2018-12-03 01:09:05,145 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L451 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= ~systemActive~0 0) .cse2 .cse0) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse1 (= ~methaneLevelCritical~0 1)))) [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L451 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2018-12-03 01:09:05,146 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L451 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2018-12-03 01:09:05,146 INFO L451 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L451 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 916 924) no Hoare annotation was computed. [2018-12-03 01:09:05,146 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2018-12-03 01:09:05,147 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 01:09:05,147 INFO L448 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-12-03 01:09:05,147 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (not .cse6)) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= ~systemActive~0 0)) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse0 .cse1) (or .cse5 .cse6 .cse0 .cse7) (or .cse5 .cse0 .cse3 .cse2) (or .cse6 .cse8 .cse7 .cse4) (or .cse6 .cse0 (and .cse1 .cse7) .cse4) (or .cse5 .cse6 .cse8 .cse7)))) [2018-12-03 01:09:05,147 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-12-03 01:09:05,147 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-12-03 01:09:05,147 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (= 1 ~waterLevel~0)) (.cse5 (not (= ~systemActive~0 0))) (.cse2 (not .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= 0 ~pumpRunning~0)) (.cse8 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 (and .cse4 .cse5)) (or .cse6 .cse7 .cse0 (and .cse5 .cse8)) (or (and .cse1 .cse5) .cse6 .cse0 .cse2) (or .cse6 .cse0 .cse4) (or .cse8 .cse7 .cse0 .cse3)))) [2018-12-03 01:09:05,147 INFO L444 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (not .cse6)) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (not (= ~waterLevel~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse0 .cse1) (or .cse5 .cse6 .cse0 .cse7) (or .cse5 .cse0 .cse3 .cse2) (or .cse5 .cse8 .cse1) (or .cse6 .cse0 (and (not .cse8) .cse7) (and .cse1 .cse7) .cse4)))) [2018-12-03 01:09:05,147 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: true [2018-12-03 01:09:05,147 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-12-03 01:09:05,147 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-12-03 01:09:05,147 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2018-12-03 01:09:05,147 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2018-12-03 01:09:05,147 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:09:05,147 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)) [2018-12-03 01:09:05,147 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 01:09:05,147 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:09:05,147 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= 0 ~pumpRunning~0) (not (= ~waterLevel~0 1))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-03 01:09:05,147 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= |old(~waterLevel~0)| 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 377 384) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-12-03 01:09:05,148 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-12-03 01:09:05,148 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-03 01:09:05,148 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2018-12-03 01:09:05,149 INFO L448 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-12-03 01:09:05,149 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2018-12-03 01:09:05,149 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2018-12-03 01:09:05,149 INFO L451 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2018-12-03 01:09:05,149 INFO L448 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2018-12-03 01:09:05,149 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2018-12-03 01:09:05,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:09:05 BoogieIcfgContainer [2018-12-03 01:09:05,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:09:05,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:09:05,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:09:05,157 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:09:05,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:59" (3/4) ... [2018-12-03 01:09:05,160 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 01:09:05,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 01:09:05,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 01:09:05,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-03 01:09:05,172 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-03 01:09:05,172 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 01:09:05,172 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 01:09:05,172 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-03 01:09:05,173 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 01:09:05,173 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 01:09:05,191 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-12-03 01:09:05,191 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 01:09:05,225 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e965a41e-93db-43bd-b41c-d851bc67b29e/bin-2019/uautomizer/witness.graphml [2018-12-03 01:09:05,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:09:05,225 INFO L168 Benchmark]: Toolchain (without parser) took 6895.96 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 393.7 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -75.7 MB). Peak memory consumption was 318.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:09:05,226 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-03 01:09:05,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-03 01:09:05,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:09:05,226 INFO L168 Benchmark]: Boogie Preprocessor took 21.98 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. [2018-12-03 01:09:05,226 INFO L168 Benchmark]: RCFGBuilder took 352.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:09:05,226 INFO L168 Benchmark]: TraceAbstraction took 6147.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 250.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.9 MB). Peak memory consumption was 425.6 MB. Max. memory is 11.5 GB. [2018-12-03 01:09:05,226 INFO L168 Benchmark]: Witness Printer took 68.07 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:09:05,227 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 281.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 352.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6147.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 250.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.9 MB). Peak memory consumption was 425.6 MB. Max. memory is 11.5 GB. * Witness Printer took 68.07 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: 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: 319]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 169 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2187 SDtfs, 1484 SDslu, 9136 SDs, 0 SdLazy, 3211 SolverSat, 167 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 303 SyntacticMatches, 3 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1827occurred in iteration=8, 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, 10 MinimizatonAttempts, 83 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3722 PreInvPairs, 3949 NumberOfFragments, 1723 HoareAnnotationTreeSize, 3722 FomulaSimplifications, 2490 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 71 FomulaSimplificationsInter, 14116 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1125 ConstructedInterpolants, 0 QuantifiedInterpolants, 191894 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1679 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 115/119 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...