./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product07_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_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/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 ed47af17a01225db794df6404fe947f085302314 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:00:39,909 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:00:39,910 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:00:39,917 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:00:39,917 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:00:39,917 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:00:39,918 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:00:39,919 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:00:39,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:00:39,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:00:39,920 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:00:39,920 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:00:39,921 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:00:39,921 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:00:39,922 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:00:39,922 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:00:39,923 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:00:39,923 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:00:39,924 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:00:39,925 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:00:39,925 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:00:39,926 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:00:39,927 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:00:39,927 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:00:39,927 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:00:39,928 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:00:39,928 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:00:39,929 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:00:39,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:00:39,930 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:00:39,930 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:00:39,930 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:00:39,930 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:00:39,930 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:00:39,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:00:39,931 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:00:39,931 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 16:00:39,938 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:00:39,938 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:00:39,939 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:00:39,939 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 16:00:39,939 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:00:39,940 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:00:39,940 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 16:00:39,940 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:00:39,940 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:00:39,940 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:00:39,940 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:00:39,940 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:00:39,940 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:00:39,940 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:00:39,940 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:00:39,940 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:00:39,941 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:00:39,941 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:00:39,941 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:00:39,941 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:00:39,941 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 16:00:39,941 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:00:39,941 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 16:00:39,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 16:00:39,941 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:00:39,941 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:00:39,942 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:00:39,942 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 16:00:39,942 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:00:39,942 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:00:39,942 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_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/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 -> ed47af17a01225db794df6404fe947f085302314 [2018-12-01 16:00:39,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:00:39,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:00:39,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:00:39,969 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:00:39,969 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:00:39,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-12-01 16:00:40,004 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/data/a1b230339/e66c321b270f4117a0ec12a394e8b568/FLAGf0702b8c8 [2018-12-01 16:00:40,499 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:00:40,499 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/sv-benchmarks/c/product-lines/minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-12-01 16:00:40,509 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/data/a1b230339/e66c321b270f4117a0ec12a394e8b568/FLAGf0702b8c8 [2018-12-01 16:00:40,522 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/data/a1b230339/e66c321b270f4117a0ec12a394e8b568 [2018-12-01 16:00:40,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:00:40,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:00:40,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:00:40,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:00:40,527 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:00:40,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40, skipping insertion in model container [2018-12-01 16:00:40,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:00:40,560 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:00:40,728 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:00:40,774 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:00:40,816 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:00:40,830 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:00:40,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40 WrapperNode [2018-12-01 16:00:40,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:00:40,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:00:40,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:00:40,831 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:00:40,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:00:40,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:00:40,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:00:40,851 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:00:40,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (1/1) ... [2018-12-01 16:00:40,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:00:40,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:00:40,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:00:40,872 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:00:40,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/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 [2018-12-01 16:00:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 16:00:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 16:00:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 16:00:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 16:00:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-01 16:00:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-01 16:00:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:00:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 16:00:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 16:00:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 16:00:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 16:00:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 16:00:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 16:00:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 16:00:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 16:00:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 16:00:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 16:00:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 16:00:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 16:00:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 16:00:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 16:00:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 16:00:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 16:00:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 16:00:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 16:00:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 16:00:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 16:00:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 16:00:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 16:00:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 16:00:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 16:00:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-01 16:00:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-01 16:00:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-01 16:00:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-01 16:00:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-01 16:00:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-01 16:00:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 16:00:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 16:00:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 16:00:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 16:00:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 16:00:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 16:00:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 16:00:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 16:00:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 16:00:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 16:00:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 16:00:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 16:00:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 16:00:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 16:00:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 16:00:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:00:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:00:41,174 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:00:41,174 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 16:00:41,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:00:41 BoogieIcfgContainer [2018-12-01 16:00:41,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:00:41,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 16:00:41,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 16:00:41,177 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 16:00:41,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:00:40" (1/3) ... [2018-12-01 16:00:41,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0de28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:00:41, skipping insertion in model container [2018-12-01 16:00:41,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:00:40" (2/3) ... [2018-12-01 16:00:41,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0de28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:00:41, skipping insertion in model container [2018-12-01 16:00:41,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:00:41" (3/3) ... [2018-12-01 16:00:41,179 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07_true-unreach-call_false-termination.cil.c [2018-12-01 16:00:41,185 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 16:00:41,190 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 16:00:41,199 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 16:00:41,216 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 16:00:41,216 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 16:00:41,216 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 16:00:41,216 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 16:00:41,217 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 16:00:41,217 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 16:00:41,217 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 16:00:41,217 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 16:00:41,217 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 16:00:41,229 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-12-01 16:00:41,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 16:00:41,234 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:00:41,234 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] [2018-12-01 16:00:41,236 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:00:41,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:00:41,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1249174412, now seen corresponding path program 1 times [2018-12-01 16:00:41,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:00:41,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:00:41,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:00:41,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:00:41,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:00:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:00:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:00:41,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:00:41,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 16:00:41,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 16:00:41,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 16:00:41,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 16:00:41,392 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2018-12-01 16:00:41,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:00:41,413 INFO L93 Difference]: Finished difference Result 232 states and 289 transitions. [2018-12-01 16:00:41,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 16:00:41,414 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-01 16:00:41,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:00:41,421 INFO L225 Difference]: With dead ends: 232 [2018-12-01 16:00:41,421 INFO L226 Difference]: Without dead ends: 118 [2018-12-01 16:00:41,423 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 [2018-12-01 16:00:41,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-01 16:00:41,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-01 16:00:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-01 16:00:41,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2018-12-01 16:00:41,452 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 59 [2018-12-01 16:00:41,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:00:41,452 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2018-12-01 16:00:41,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 16:00:41,452 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2018-12-01 16:00:41,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 16:00:41,454 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:00:41,454 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] [2018-12-01 16:00:41,454 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:00:41,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:00:41,455 INFO L82 PathProgramCache]: Analyzing trace with hash -587499350, now seen corresponding path program 1 times [2018-12-01 16:00:41,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:00:41,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:00:41,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:00:41,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:00:41,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:00:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:00:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:00:41,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:00:41,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 16:00:41,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 16:00:41,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 16:00:41,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 16:00:41,507 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand 3 states. [2018-12-01 16:00:41,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:00:41,519 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2018-12-01 16:00:41,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 16:00:41,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-01 16:00:41,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:00:41,520 INFO L225 Difference]: With dead ends: 175 [2018-12-01 16:00:41,521 INFO L226 Difference]: Without dead ends: 109 [2018-12-01 16:00:41,521 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 [2018-12-01 16:00:41,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-01 16:00:41,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-01 16:00:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-01 16:00:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 126 transitions. [2018-12-01 16:00:41,529 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 126 transitions. Word has length 60 [2018-12-01 16:00:41,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:00:41,529 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 126 transitions. [2018-12-01 16:00:41,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 16:00:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2018-12-01 16:00:41,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 16:00:41,530 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:00:41,530 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] [2018-12-01 16:00:41,531 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:00:41,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:00:41,531 INFO L82 PathProgramCache]: Analyzing trace with hash 339004380, now seen corresponding path program 1 times [2018-12-01 16:00:41,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:00:41,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:00:41,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:00:41,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:00:41,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:00:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:00:41,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:00:41,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:00:41,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 16:00:41,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 16:00:41,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 16:00:41,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 16:00:41,621 INFO L87 Difference]: Start difference. First operand 109 states and 126 transitions. Second operand 7 states. [2018-12-01 16:00:41,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:00:41,852 INFO L93 Difference]: Finished difference Result 327 states and 396 transitions. [2018-12-01 16:00:41,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 16:00:41,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-01 16:00:41,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:00:41,856 INFO L225 Difference]: With dead ends: 327 [2018-12-01 16:00:41,856 INFO L226 Difference]: Without dead ends: 246 [2018-12-01 16:00:41,857 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 [2018-12-01 16:00:41,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-12-01 16:00:41,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2018-12-01 16:00:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-12-01 16:00:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2018-12-01 16:00:41,883 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 64 [2018-12-01 16:00:41,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:00:41,883 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2018-12-01 16:00:41,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 16:00:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2018-12-01 16:00:41,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 16:00:41,886 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:00:41,886 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] [2018-12-01 16:00:41,886 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:00:41,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:00:41,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1433430855, now seen corresponding path program 1 times [2018-12-01 16:00:41,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:00:41,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:00:41,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:00:41,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:00:41,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:00:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:00:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 16:00:41,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:00:41,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 16:00:41,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 16:00:41,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 16:00:41,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 16:00:41,975 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand 7 states. [2018-12-01 16:00:42,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:00:42,174 INFO L93 Difference]: Finished difference Result 398 states and 499 transitions. [2018-12-01 16:00:42,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 16:00:42,174 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-01 16:00:42,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:00:42,174 INFO L225 Difference]: With dead ends: 398 [2018-12-01 16:00:42,175 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 16:00:42,176 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-01 16:00:42,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 16:00:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 16:00:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 16:00:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 16:00:42,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-12-01 16:00:42,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:00:42,177 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 16:00:42,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 16:00:42,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 16:00:42,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 16:00:42,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 16:00:42,571 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 529 535) the Hoare annotation is: true [2018-12-01 16:00:42,571 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 529 535) no Hoare annotation was computed. [2018-12-01 16:00:42,571 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 536 544) no Hoare annotation was computed. [2018-12-01 16:00:42,571 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 536 544) the Hoare annotation is: true [2018-12-01 16:00:42,571 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 536 544) no Hoare annotation was computed. [2018-12-01 16:00:42,571 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 233 240) the Hoare annotation is: true [2018-12-01 16:00:42,571 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 233 240) no Hoare annotation was computed. [2018-12-01 16:00:42,571 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 233 240) no Hoare annotation was computed. [2018-12-01 16:00:42,571 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 241 250) the Hoare annotation is: true [2018-12-01 16:00:42,571 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 241 250) no Hoare annotation was computed. [2018-12-01 16:00:42,571 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 241 250) no Hoare annotation was computed. [2018-12-01 16:00:42,572 INFO L448 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-12-01 16:00:42,572 INFO L451 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: true [2018-12-01 16:00:42,572 INFO L448 ceAbstractionStarter]: For program point L257-1(line 257) no Hoare annotation was computed. [2018-12-01 16:00:42,572 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 251 279) the Hoare annotation is: true [2018-12-01 16:00:42,572 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 251 279) no Hoare annotation was computed. [2018-12-01 16:00:42,572 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-01 16:00:42,572 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 270) no Hoare annotation was computed. [2018-12-01 16:00:42,572 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 273) no Hoare annotation was computed. [2018-12-01 16:00:42,572 INFO L451 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2018-12-01 16:00:42,572 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-12-01 16:00:42,572 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2018-12-01 16:00:42,573 INFO L448 ceAbstractionStarter]: For program point L259-1(lines 251 279) no Hoare annotation was computed. [2018-12-01 16:00:42,573 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-01 16:00:42,573 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-01 16:00:42,573 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-01 16:00:42,573 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-01 16:00:42,573 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-01 16:00:42,573 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-01 16:00:42,573 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-01 16:00:42,574 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-01 16:00:42,574 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-01 16:00:42,574 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-01 16:00:42,574 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-01 16:00:42,574 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 486 500) no Hoare annotation was computed. [2018-12-01 16:00:42,574 INFO L444 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-01 16:00:42,574 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-12-01 16:00:42,574 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 486 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-12-01 16:00:42,574 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 486 500) no Hoare annotation was computed. [2018-12-01 16:00:42,575 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 441 449) no Hoare annotation was computed. [2018-12-01 16:00:42,575 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 441 449) the Hoare annotation is: true [2018-12-01 16:00:42,575 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 441 449) no Hoare annotation was computed. [2018-12-01 16:00:42,575 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 522 528) no Hoare annotation was computed. [2018-12-01 16:00:42,575 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 522 528) the Hoare annotation is: true [2018-12-01 16:00:42,575 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-01 16:00:42,575 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-01 16:00:42,575 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-01 16:00:42,575 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-01 16:00:42,575 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 430 440) the Hoare annotation is: true [2018-12-01 16:00:42,576 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 430 440) no Hoare annotation was computed. [2018-12-01 16:00:42,576 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 430 440) no Hoare annotation was computed. [2018-12-01 16:00:42,576 INFO L451 ceAbstractionStarter]: At program point L435(line 435) the Hoare annotation is: true [2018-12-01 16:00:42,576 INFO L448 ceAbstractionStarter]: For program point L435-1(line 435) no Hoare annotation was computed. [2018-12-01 16:00:42,576 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 422 429) the Hoare annotation is: true [2018-12-01 16:00:42,576 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 422 429) no Hoare annotation was computed. [2018-12-01 16:00:42,576 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 422 429) no Hoare annotation was computed. [2018-12-01 16:00:42,576 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-01 16:00:42,576 INFO L448 ceAbstractionStarter]: For program point L408-1(lines 389 413) no Hoare annotation was computed. [2018-12-01 16:00:42,576 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 389 413) no Hoare annotation was computed. [2018-12-01 16:00:42,577 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 389 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-12-01 16:00:42,577 INFO L444 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-01 16:00:42,577 INFO L444 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-01 16:00:42,577 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 405) no Hoare annotation was computed. [2018-12-01 16:00:42,577 INFO L444 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-01 16:00:42,577 INFO L448 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2018-12-01 16:00:42,577 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 410) no Hoare annotation was computed. [2018-12-01 16:00:42,577 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 381 387) no Hoare annotation was computed. [2018-12-01 16:00:42,577 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 381 387) the Hoare annotation is: true [2018-12-01 16:00:42,577 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 282 347) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-12-01 16:00:42,577 INFO L444 ceAbstractionStarter]: At program point L314(line 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-01 16:00:42,577 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 318) no Hoare annotation was computed. [2018-12-01 16:00:42,577 INFO L448 ceAbstractionStarter]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2018-12-01 16:00:42,577 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2018-12-01 16:00:42,578 INFO L444 ceAbstractionStarter]: At program point L337(lines 292 339) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-01 16:00:42,578 INFO L444 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-01 16:00:42,578 INFO L448 ceAbstractionStarter]: For program point L302(lines 302 308) no Hoare annotation was computed. [2018-12-01 16:00:42,578 INFO L448 ceAbstractionStarter]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2018-12-01 16:00:42,578 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 298) no Hoare annotation was computed. [2018-12-01 16:00:42,578 INFO L444 ceAbstractionStarter]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-12-01 16:00:42,578 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-01 16:00:42,578 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2018-12-01 16:00:42,578 INFO L444 ceAbstractionStarter]: At program point L328-1(lines 322 335) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-12-01 16:00:42,578 INFO L448 ceAbstractionStarter]: For program point L293(lines 292 339) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 335) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-01 16:00:42,579 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 220 228) the Hoare annotation is: true [2018-12-01 16:00:42,579 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: true [2018-12-01 16:00:42,579 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2018-12-01 16:00:42,579 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2018-12-01 16:00:42,579 INFO L444 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-12-01 16:00:42,579 INFO L444 ceAbstractionStarter]: At program point L368(lines 368 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-01 16:00:42,580 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 354 380) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-12-01 16:00:42,580 INFO L444 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-01 16:00:42,580 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 354 380) no Hoare annotation was computed. [2018-12-01 16:00:42,580 INFO L448 ceAbstractionStarter]: For program point L361(lines 357 379) no Hoare annotation was computed. [2018-12-01 16:00:42,580 INFO L448 ceAbstractionStarter]: For program point L359(lines 357 379) no Hoare annotation was computed. [2018-12-01 16:00:42,580 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 354 380) no Hoare annotation was computed. [2018-12-01 16:00:42,580 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-01 16:00:42,580 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-01 16:00:42,580 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-01 16:00:42,580 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-01 16:00:42,580 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-01 16:00:42,580 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-01 16:00:42,580 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-01 16:00:42,580 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-01 16:00:42,581 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-01 16:00:42,581 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: true [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-01 16:00:42,581 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 16:00:42,581 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-01 16:00:42,581 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2018-12-01 16:00:42,581 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: true [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 502 509) no Hoare annotation was computed. [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-12-01 16:00:42,581 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 502 509) the Hoare annotation is: true [2018-12-01 16:00:42,581 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 502 509) no Hoare annotation was computed. [2018-12-01 16:00:42,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:00:42 BoogieIcfgContainer [2018-12-01 16:00:42,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 16:00:42,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:00:42,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:00:42,590 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:00:42,591 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:00:41" (3/4) ... [2018-12-01 16:00:42,593 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 16:00:42,597 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 16:00:42,597 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 16:00:42,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 16:00:42,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 16:00:42,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 16:00:42,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 16:00:42,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 16:00:42,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 16:00:42,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 16:00:42,604 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-01 16:00:42,604 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 16:00:42,605 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 16:00:42,605 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 16:00:42,605 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 16:00:42,605 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 16:00:42,628 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-12-01 16:00:42,629 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-12-01 16:00:42,661 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cb8e54c6-f70e-42c8-8cae-dbac041bf3db/bin-2019/uautomizer/witness.graphml [2018-12-01 16:00:42,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:00:42,661 INFO L168 Benchmark]: Toolchain (without parser) took 2137.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 951.7 MB in the beginning and 1.0 GB in the end (delta: -48.3 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:00:42,662 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:00:42,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-01 16:00:42,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:00:42,663 INFO L168 Benchmark]: Boogie Preprocessor took 20.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:00:42,663 INFO L168 Benchmark]: RCFGBuilder took 302.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:00:42,663 INFO L168 Benchmark]: TraceAbstraction took 1414.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 38.6 MB). Peak memory consumption was 212.9 MB. Max. memory is 11.5 GB. [2018-12-01 16:00:42,663 INFO L168 Benchmark]: Witness Printer took 70.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-01 16:00:42,664 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.99 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 302.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1414.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 38.6 MB). Peak memory consumption was 212.9 MB. Max. memory is 11.5 GB. * Witness Printer took 70.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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: 292]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 131 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 516 SDtfs, 295 SDslu, 794 SDs, 0 SdLazy, 375 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=3, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 267 PreInvPairs, 290 NumberOfFragments, 395 HoareAnnotationTreeSize, 267 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 26206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...