./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/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 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:11:44,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:11:44,033 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:11:44,042 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:11:44,042 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:11:44,043 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:11:44,044 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:11:44,045 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:11:44,046 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:11:44,047 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:11:44,047 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:11:44,048 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:11:44,048 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:11:44,049 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:11:44,050 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:11:44,051 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:11:44,051 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:11:44,052 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:11:44,054 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:11:44,055 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:11:44,056 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:11:44,057 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:11:44,058 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:11:44,059 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:11:44,059 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:11:44,059 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:11:44,060 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:11:44,061 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:11:44,061 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:11:44,062 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:11:44,062 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:11:44,063 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:11:44,063 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:11:44,063 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:11:44,064 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:11:44,065 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:11:44,065 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 14:11:44,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:11:44,076 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:11:44,076 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:11:44,076 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:11:44,077 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:11:44,077 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:11:44,077 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:11:44,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:11:44,077 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:11:44,077 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:11:44,078 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:11:44,078 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:11:44,078 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:11:44,078 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:11:44,078 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:11:44,078 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:11:44,078 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:11:44,078 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:11:44,079 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:11:44,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:11:44,079 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:11:44,079 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:11:44,079 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:11:44,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:11:44,079 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:11:44,079 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:11:44,080 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:11:44,080 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:11:44,080 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:11:44,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:11:44,080 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_d87a19c8-7c58-4cdd-bdce-2c5554044355/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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2018-11-23 14:11:44,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:11:44,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:11:44,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:11:44,116 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:11:44,116 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:11:44,117 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-23 14:11:44,155 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/data/6e101e635/a6ceb487ec924af1baaa3e5c4902fb79/FLAG8e0300ddb [2018-11-23 14:11:44,498 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:11:44,498 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-23 14:11:44,509 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/data/6e101e635/a6ceb487ec924af1baaa3e5c4902fb79/FLAG8e0300ddb [2018-11-23 14:11:44,522 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/data/6e101e635/a6ceb487ec924af1baaa3e5c4902fb79 [2018-11-23 14:11:44,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:11:44,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:11:44,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:11:44,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:11:44,529 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:11:44,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44, skipping insertion in model container [2018-11-23 14:11:44,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:11:44,570 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:11:44,782 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:11:44,792 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:11:44,894 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:11:44,912 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:11:44,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44 WrapperNode [2018-11-23 14:11:44,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:11:44,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:11:44,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:11:44,913 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:11:44,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:11:44,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:11:44,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:11:44,940 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:11:44,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (1/1) ... [2018-11-23 14:11:44,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:11:44,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:11:44,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:11:44,971 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:11:44,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/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 [2018-11-23 14:11:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 14:11:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 14:11:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:11:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:11:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 14:11:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 14:11:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 14:11:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 14:11:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:11:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 14:11:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 14:11:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 14:11:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 14:11:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 14:11:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 14:11:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 14:11:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 14:11:45,010 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 14:11:45,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 14:11:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 14:11:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 14:11:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 14:11:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 14:11:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 14:11:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 14:11:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 14:11:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 14:11:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 14:11:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 14:11:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 14:11:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 14:11:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 14:11:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 14:11:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 14:11:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 14:11:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 14:11:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 14:11:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 14:11:45,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 14:11:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:11:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:11:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 14:11:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 14:11:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 14:11:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 14:11:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 14:11:45,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 14:11:45,015 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 14:11:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 14:11:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 14:11:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:11:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:11:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 14:11:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 14:11:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 14:11:45,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 14:11:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:11:45,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:11:45,390 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:11:45,391 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 14:11:45,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:45 BoogieIcfgContainer [2018-11-23 14:11:45,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:11:45,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:11:45,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:11:45,395 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:11:45,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:11:44" (1/3) ... [2018-11-23 14:11:45,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593e4cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:11:45, skipping insertion in model container [2018-11-23 14:11:45,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:11:44" (2/3) ... [2018-11-23 14:11:45,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593e4cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:11:45, skipping insertion in model container [2018-11-23 14:11:45,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:45" (3/3) ... [2018-11-23 14:11:45,398 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-23 14:11:45,408 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:11:45,415 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:11:45,429 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:11:45,456 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:11:45,456 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:11:45,456 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:11:45,456 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:11:45,457 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:11:45,457 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:11:45,457 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:11:45,457 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:11:45,457 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:11:45,475 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-23 14:11:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 14:11:45,482 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:11:45,483 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] [2018-11-23 14:11:45,485 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:11:45,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:11:45,490 INFO L82 PathProgramCache]: Analyzing trace with hash 837147030, now seen corresponding path program 1 times [2018-11-23 14:11:45,492 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:11:45,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:11:45,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:11:45,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:11:45,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:11:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:11:45,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:11:45,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:11:45,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:11:45,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:11:45,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:11:45,698 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-23 14:11:45,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:11:45,729 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2018-11-23 14:11:45,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:11:45,731 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 14:11:45,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:11:45,742 INFO L225 Difference]: With dead ends: 264 [2018-11-23 14:11:45,742 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 14:11:45,745 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 [2018-11-23 14:11:45,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 14:11:45,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 14:11:45,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 14:11:45,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2018-11-23 14:11:45,794 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2018-11-23 14:11:45,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:11:45,795 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2018-11-23 14:11:45,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:11:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2018-11-23 14:11:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:11:45,798 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:11:45,798 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:11:45,798 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:11:45,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:11:45,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1119907156, now seen corresponding path program 1 times [2018-11-23 14:11:45,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:11:45,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:11:45,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:11:45,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:11:45,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:11:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:11:45,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:11:45,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:11:45,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:11:45,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:11:45,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:11:45,873 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2018-11-23 14:11:45,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:11:45,894 INFO L93 Difference]: Finished difference Result 203 states and 241 transitions. [2018-11-23 14:11:45,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:11:45,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 14:11:45,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:11:45,896 INFO L225 Difference]: With dead ends: 203 [2018-11-23 14:11:45,897 INFO L226 Difference]: Without dead ends: 125 [2018-11-23 14:11:45,898 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 [2018-11-23 14:11:45,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-11-23 14:11:45,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-23 14:11:45,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-23 14:11:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-11-23 14:11:45,909 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2018-11-23 14:11:45,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:11:45,910 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-11-23 14:11:45,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:11:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-11-23 14:11:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 14:11:45,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:11:45,912 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] [2018-11-23 14:11:45,912 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:11:45,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:11:45,912 INFO L82 PathProgramCache]: Analyzing trace with hash -481061761, now seen corresponding path program 1 times [2018-11-23 14:11:45,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:11:45,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:11:45,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:11:45,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:11:45,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:11:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:11:46,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:11:46,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:11:46,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:11:46,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:11:46,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:11:46,027 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2018-11-23 14:11:46,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:11:46,439 INFO L93 Difference]: Finished difference Result 370 states and 455 transitions. [2018-11-23 14:11:46,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:11:46,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 14:11:46,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:11:46,443 INFO L225 Difference]: With dead ends: 370 [2018-11-23 14:11:46,443 INFO L226 Difference]: Without dead ends: 273 [2018-11-23 14:11:46,444 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 [2018-11-23 14:11:46,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-11-23 14:11:46,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 261. [2018-11-23 14:11:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-11-23 14:11:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2018-11-23 14:11:46,474 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 57 [2018-11-23 14:11:46,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:11:46,474 INFO L480 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2018-11-23 14:11:46,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:11:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2018-11-23 14:11:46,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 14:11:46,477 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:11:46,477 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:11:46,477 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:11:46,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:11:46,478 INFO L82 PathProgramCache]: Analyzing trace with hash -337198574, now seen corresponding path program 1 times [2018-11-23 14:11:46,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:11:46,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:11:46,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:11:46,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:11:46,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:11:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:11:46,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:11:46,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:11:46,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:11:46,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:11:46,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:11:46,572 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand 6 states. [2018-11-23 14:11:46,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:11:46,714 INFO L93 Difference]: Finished difference Result 709 states and 894 transitions. [2018-11-23 14:11:46,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:11:46,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 14:11:46,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:11:46,719 INFO L225 Difference]: With dead ends: 709 [2018-11-23 14:11:46,720 INFO L226 Difference]: Without dead ends: 476 [2018-11-23 14:11:46,722 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 [2018-11-23 14:11:46,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-11-23 14:11:46,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 470. [2018-11-23 14:11:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-11-23 14:11:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 580 transitions. [2018-11-23 14:11:46,760 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 580 transitions. Word has length 62 [2018-11-23 14:11:46,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:11:46,760 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 580 transitions. [2018-11-23 14:11:46,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:11:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 580 transitions. [2018-11-23 14:11:46,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 14:11:46,763 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:11:46,763 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:11:46,764 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:11:46,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:11:46,764 INFO L82 PathProgramCache]: Analyzing trace with hash -50157426, now seen corresponding path program 1 times [2018-11-23 14:11:46,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:11:46,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:11:46,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:11:46,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:11:46,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:11:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:11:46,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:11:46,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:11:46,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:11:46,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:11:46,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:11:46,847 INFO L87 Difference]: Start difference. First operand 470 states and 580 transitions. Second operand 7 states. [2018-11-23 14:11:47,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:11:47,065 INFO L93 Difference]: Finished difference Result 764 states and 969 transitions. [2018-11-23 14:11:47,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:11:47,066 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 14:11:47,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:11:47,067 INFO L225 Difference]: With dead ends: 764 [2018-11-23 14:11:47,067 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:11:47,068 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 [2018-11-23 14:11:47,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:11:47,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:11:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:11:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:11:47,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-23 14:11:47,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:11:47,070 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:11:47,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:11:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:11:47,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:11:47,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:11:47,928 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 470 476) the Hoare annotation is: true [2018-11-23 14:11:47,929 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 470 476) no Hoare annotation was computed. [2018-11-23 14:11:47,929 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 477 485) no Hoare annotation was computed. [2018-11-23 14:11:47,929 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 477 485) the Hoare annotation is: true [2018-11-23 14:11:47,929 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 477 485) no Hoare annotation was computed. [2018-11-23 14:11:47,929 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 428 450) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,929 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 428 450) no Hoare annotation was computed. [2018-11-23 14:11:47,929 INFO L444 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,929 INFO L444 ceAbstractionStarter]: At program point L440-1(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,930 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2018-11-23 14:11:47,930 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 438 445) no Hoare annotation was computed. [2018-11-23 14:11:47,930 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 14:11:47,930 INFO L444 ceAbstractionStarter]: At program point L435(line 435) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,930 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,930 INFO L444 ceAbstractionStarter]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,930 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 428 450) no Hoare annotation was computed. [2018-11-23 14:11:47,930 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 14:11:47,930 INFO L448 ceAbstractionStarter]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2018-11-23 14:11:47,931 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 14:11:47,931 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 14:11:47,931 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 168 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 14:11:47,931 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 184) no Hoare annotation was computed. [2018-11-23 14:11:47,931 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 14:11:47,931 INFO L448 ceAbstractionStarter]: For program point L174-1(line 174) no Hoare annotation was computed. [2018-11-23 14:11:47,931 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 189) no Hoare annotation was computed. [2018-11-23 14:11:47,931 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 168 192) no Hoare annotation was computed. [2018-11-23 14:11:47,931 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 327 341) no Hoare annotation was computed. [2018-11-23 14:11:47,931 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 14:11:47,932 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 337) no Hoare annotation was computed. [2018-11-23 14:11:47,932 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 327 341) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-23 14:11:47,932 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 327 341) no Hoare annotation was computed. [2018-11-23 14:11:47,932 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 263 271) no Hoare annotation was computed. [2018-11-23 14:11:47,932 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 263 271) the Hoare annotation is: true [2018-11-23 14:11:47,932 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 263 271) no Hoare annotation was computed. [2018-11-23 14:11:47,932 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 321) no Hoare annotation was computed. [2018-11-23 14:11:47,932 INFO L451 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: true [2018-11-23 14:11:47,932 INFO L448 ceAbstractionStarter]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2018-11-23 14:11:47,932 INFO L448 ceAbstractionStarter]: For program point L315-1(line 315) no Hoare annotation was computed. [2018-11-23 14:11:47,932 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 308 326) the Hoare annotation is: true [2018-11-23 14:11:47,933 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 308 326) no Hoare annotation was computed. [2018-11-23 14:11:47,933 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 308 326) no Hoare annotation was computed. [2018-11-23 14:11:47,933 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 463 469) no Hoare annotation was computed. [2018-11-23 14:11:47,933 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 463 469) the Hoare annotation is: true [2018-11-23 14:11:47,933 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 414 424) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,933 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 414 424) no Hoare annotation was computed. [2018-11-23 14:11:47,933 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 414 424) no Hoare annotation was computed. [2018-11-23 14:11:47,933 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,933 INFO L451 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: true [2018-11-23 14:11:47,933 INFO L448 ceAbstractionStarter]: For program point L257-1(line 257) no Hoare annotation was computed. [2018-11-23 14:11:47,934 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 252 262) the Hoare annotation is: true [2018-11-23 14:11:47,934 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 252 262) no Hoare annotation was computed. [2018-11-23 14:11:47,934 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 252 262) no Hoare annotation was computed. [2018-11-23 14:11:47,934 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 244 251) the Hoare annotation is: true [2018-11-23 14:11:47,934 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 244 251) no Hoare annotation was computed. [2018-11-23 14:11:47,934 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 244 251) no Hoare annotation was computed. [2018-11-23 14:11:47,934 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 194 218) no Hoare annotation was computed. [2018-11-23 14:11:47,934 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 14:11:47,934 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2018-11-23 14:11:47,934 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 194 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 14:11:47,934 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 14:11:47,934 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 14:11:47,935 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2018-11-23 14:11:47,935 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 14:11:47,935 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-23 14:11:47,935 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2018-11-23 14:11:47,935 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2018-11-23 14:11:47,935 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2018-11-23 14:11:47,935 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,935 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,935 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 110) no Hoare annotation was computed. [2018-11-23 14:11:47,935 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,936 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2018-11-23 14:11:47,936 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 91) no Hoare annotation was computed. [2018-11-23 14:11:47,936 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2018-11-23 14:11:47,936 INFO L444 ceAbstractionStarter]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,936 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,936 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-23 14:11:47,936 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-23 14:11:47,936 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 71) no Hoare annotation was computed. [2018-11-23 14:11:47,936 INFO L444 ceAbstractionStarter]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,936 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,937 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-11-23 14:11:47,937 INFO L444 ceAbstractionStarter]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:11:47,937 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2018-11-23 14:11:47,937 INFO L448 ceAbstractionStarter]: For program point L66(lines 65 114) no Hoare annotation was computed. [2018-11-23 14:11:47,937 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 567 575) no Hoare annotation was computed. [2018-11-23 14:11:47,937 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 567 575) the Hoare annotation is: true [2018-11-23 14:11:47,937 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 567 575) no Hoare annotation was computed. [2018-11-23 14:11:47,937 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 14:11:47,937 INFO L448 ceAbstractionStarter]: For program point L599(lines 599 605) no Hoare annotation was computed. [2018-11-23 14:11:47,937 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 608) no Hoare annotation was computed. [2018-11-23 14:11:47,937 INFO L444 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 586 614) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 586 614) the Hoare annotation is: true [2018-11-23 14:11:47,938 INFO L451 ceAbstractionStarter]: At program point L592(line 592) the Hoare annotation is: true [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point L592-1(line 592) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 586 614) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 578 585) the Hoare annotation is: true [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 578 585) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 578 585) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 514 525) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 514 525) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point L518-1(lines 514 525) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 526 534) the Hoare annotation is: true [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 526 534) no Hoare annotation was computed. [2018-11-23 14:11:47,938 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 526 534) no Hoare annotation was computed. [2018-11-23 14:11:47,939 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 352 381) no Hoare annotation was computed. [2018-11-23 14:11:47,939 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 352 381) the Hoare annotation is: true [2018-11-23 14:11:47,939 INFO L451 ceAbstractionStarter]: At program point L377(lines 352 381) the Hoare annotation is: true [2018-11-23 14:11:47,939 INFO L448 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-23 14:11:47,939 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 370) no Hoare annotation was computed. [2018-11-23 14:11:47,939 INFO L451 ceAbstractionStarter]: At program point L366-1(lines 366 370) the Hoare annotation is: true [2018-11-23 14:11:47,939 INFO L448 ceAbstractionStarter]: For program point L363(line 363) no Hoare annotation was computed. [2018-11-23 14:11:47,939 INFO L451 ceAbstractionStarter]: At program point L362-2(lines 362 376) the Hoare annotation is: true [2018-11-23 14:11:47,939 INFO L451 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2018-11-23 14:11:47,939 INFO L448 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2018-11-23 14:11:47,939 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 14:11:47,940 INFO L444 ceAbstractionStarter]: At program point L147(lines 147 153) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 14:11:47,940 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 14:11:47,940 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 14:11:47,940 INFO L448 ceAbstractionStarter]: For program point L140(lines 139 158) no Hoare annotation was computed. [2018-11-23 14:11:47,940 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2018-11-23 14:11:47,940 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2018-11-23 14:11:47,940 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 490 501) the Hoare annotation is: true [2018-11-23 14:11:47,940 INFO L448 ceAbstractionStarter]: For program point L494-1(lines 490 501) no Hoare annotation was computed. [2018-11-23 14:11:47,940 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 490 501) no Hoare annotation was computed. [2018-11-23 14:11:47,940 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 406 412) no Hoare annotation was computed. [2018-11-23 14:11:47,940 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 406 412) the Hoare annotation is: true [2018-11-23 14:11:47,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:11:47,941 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 14:11:47,941 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:11:47,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:11:47,941 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 342 349) no Hoare annotation was computed. [2018-11-23 14:11:47,941 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 342 349) the Hoare annotation is: true [2018-11-23 14:11:47,941 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 342 349) no Hoare annotation was computed. [2018-11-23 14:11:47,941 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 502 513) no Hoare annotation was computed. [2018-11-23 14:11:47,941 INFO L448 ceAbstractionStarter]: For program point L506-1(lines 502 513) no Hoare annotation was computed. [2018-11-23 14:11:47,941 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 502 513) the Hoare annotation is: true [2018-11-23 14:11:47,941 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 14:11:47,941 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 14:11:47,942 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 14:11:47,942 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 14:11:47,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:11:47 BoogieIcfgContainer [2018-11-23 14:11:47,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:11:47,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:11:47,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:11:47,954 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:11:47,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:11:45" (3/4) ... [2018-11-23 14:11:47,958 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:11:47,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 14:11:47,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 14:11:47,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:11:47,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:11:47,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 14:11:47,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 14:11:47,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 14:11:47,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 14:11:47,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 14:11:47,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 14:11:47,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 14:11:47,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 14:11:47,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 14:11:47,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 14:11:47,977 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 14:11:47,978 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 14:11:47,978 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 14:11:47,978 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 14:11:47,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:11:47,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:11:47,979 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:11:48,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 14:11:48,000 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 14:11:48,034 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d87a19c8-7c58-4cdd-bdce-2c5554044355/bin-2019/uautomizer/witness.graphml [2018-11-23 14:11:48,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:11:48,035 INFO L168 Benchmark]: Toolchain (without parser) took 3510.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 956.4 MB in the beginning and 1.0 GB in the end (delta: -91.3 MB). Peak memory consumption was 138.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:48,036 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:11:48,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:48,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.25 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. [2018-11-23 14:11:48,036 INFO L168 Benchmark]: Boogie Preprocessor took 30.57 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. [2018-11-23 14:11:48,037 INFO L168 Benchmark]: RCFGBuilder took 420.03 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: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:48,037 INFO L168 Benchmark]: TraceAbstraction took 2562.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.0 MB). Peak memory consumption was 283.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:48,037 INFO L168 Benchmark]: Witness Printer took 80.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:48,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 420.03 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: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2562.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.0 MB). Peak memory consumption was 283.9 MB. Max. memory is 11.5 GB. * Witness Printer took 80.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 2.4s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 748 SDtfs, 442 SDslu, 1419 SDs, 0 SdLazy, 491 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 592 PreInvPairs, 639 NumberOfFragments, 572 HoareAnnotationTreeSize, 592 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 2131 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 30083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...