./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_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_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/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 99eaecf53b705ce7ede6eb19864d6c34a239ca25 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:41:06,922 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:41:06,923 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:41:06,932 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:41:06,932 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:41:06,933 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:41:06,934 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:41:06,935 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:41:06,936 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:41:06,937 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:41:06,938 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:41:06,938 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:41:06,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:41:06,940 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:41:06,941 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:41:06,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:41:06,942 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:41:06,944 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:41:06,945 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:41:06,947 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:41:06,948 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:41:06,949 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:41:06,950 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:41:06,951 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:41:06,951 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:41:06,952 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:41:06,953 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:41:06,953 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:41:06,954 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:41:06,955 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:41:06,955 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:41:06,956 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:41:06,956 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:41:06,956 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:41:06,957 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:41:06,957 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:41:06,958 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 09:41:06,969 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:41:06,969 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:41:06,970 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:41:06,970 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 09:41:06,971 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:41:06,971 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:41:06,971 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 09:41:06,971 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:41:06,971 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:41:06,972 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:41:06,972 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:41:06,972 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:41:06,972 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:41:06,972 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:41:06,972 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:41:06,972 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:41:06,972 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:41:06,973 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:41:06,973 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:41:06,973 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:41:06,973 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:41:06,973 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:41:06,973 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 09:41:06,974 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:41:06,974 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:41:06,974 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:41:06,974 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:41:06,974 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 09:41:06,974 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:41:06,974 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:41:06,974 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_f65fbf29-cb75-4d0c-b58c-1c62832349a8/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 -> 99eaecf53b705ce7ede6eb19864d6c34a239ca25 [2018-11-23 09:41:06,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:41:07,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:41:07,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:41:07,011 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:41:07,012 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:41:07,012 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-23 09:41:07,052 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/data/3ff847c99/72211a11ce484528bdf1652e2a740371/FLAG0cd2330b0 [2018-11-23 09:41:07,449 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:41:07,450 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-23 09:41:07,460 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/data/3ff847c99/72211a11ce484528bdf1652e2a740371/FLAG0cd2330b0 [2018-11-23 09:41:07,819 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/data/3ff847c99/72211a11ce484528bdf1652e2a740371 [2018-11-23 09:41:07,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:41:07,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:41:07,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:41:07,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:41:07,827 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:41:07,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:41:07" (1/1) ... [2018-11-23 09:41:07,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:07, skipping insertion in model container [2018-11-23 09:41:07,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:41:07" (1/1) ... [2018-11-23 09:41:07,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:41:07,877 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:41:08,069 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:41:08,078 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:41:08,186 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:41:08,204 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:41:08,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08 WrapperNode [2018-11-23 09:41:08,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:41:08,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:41:08,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:41:08,206 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:41:08,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (1/1) ... [2018-11-23 09:41:08,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (1/1) ... [2018-11-23 09:41:08,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:41:08,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:41:08,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:41:08,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:41:08,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (1/1) ... [2018-11-23 09:41:08,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (1/1) ... [2018-11-23 09:41:08,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (1/1) ... [2018-11-23 09:41:08,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (1/1) ... [2018-11-23 09:41:08,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (1/1) ... [2018-11-23 09:41:08,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (1/1) ... [2018-11-23 09:41:08,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (1/1) ... [2018-11-23 09:41:08,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:41:08,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:41:08,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:41:08,265 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:41:08,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/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 09:41:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 09:41:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 09:41:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 09:41:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 09:41:08,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 09:41:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 09:41:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 09:41:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 09:41:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 09:41:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 09:41:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 09:41:08,309 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 09:41:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 09:41:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 09:41:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 09:41:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 09:41:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 09:41:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 09:41:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 09:41:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 09:41:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 09:41:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 09:41:08,310 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 09:41:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 09:41:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 09:41:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 09:41:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 09:41:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 09:41:08,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 09:41:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 09:41:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 09:41:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 09:41:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 09:41:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 09:41:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 09:41:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 09:41:08,312 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 09:41:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 09:41:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 09:41:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 09:41:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 09:41:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 09:41:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 09:41:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 09:41:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 09:41:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 09:41:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 09:41:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 09:41:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:41:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:41:08,774 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:41:08,774 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 09:41:08,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:08 BoogieIcfgContainer [2018-11-23 09:41:08,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:41:08,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 09:41:08,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 09:41:08,778 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 09:41:08,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:41:07" (1/3) ... [2018-11-23 09:41:08,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc4ea25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:41:08, skipping insertion in model container [2018-11-23 09:41:08,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:08" (2/3) ... [2018-11-23 09:41:08,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc4ea25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:41:08, skipping insertion in model container [2018-11-23 09:41:08,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:08" (3/3) ... [2018-11-23 09:41:08,781 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-23 09:41:08,790 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 09:41:08,796 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 09:41:08,808 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 09:41:08,833 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 09:41:08,834 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 09:41:08,834 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 09:41:08,834 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 09:41:08,834 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:41:08,834 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:41:08,834 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 09:41:08,835 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:41:08,835 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 09:41:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-11-23 09:41:08,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 09:41:08,860 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:41:08,861 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:41:08,863 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:41:08,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:41:08,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1145449371, now seen corresponding path program 1 times [2018-11-23 09:41:08,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:41:08,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:41:08,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:08,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:41:08,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:09,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:41:09,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:41:09,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 09:41:09,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 09:41:09,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 09:41:09,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 09:41:09,100 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-11-23 09:41:09,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:41:09,130 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2018-11-23 09:41:09,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 09:41:09,132 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 09:41:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:41:09,140 INFO L225 Difference]: With dead ends: 212 [2018-11-23 09:41:09,140 INFO L226 Difference]: Without dead ends: 106 [2018-11-23 09:41:09,144 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 09:41:09,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-23 09:41:09,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-23 09:41:09,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-23 09:41:09,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2018-11-23 09:41:09,182 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2018-11-23 09:41:09,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:41:09,183 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2018-11-23 09:41:09,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 09:41:09,183 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2018-11-23 09:41:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 09:41:09,186 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:41:09,186 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:41:09,186 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:41:09,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:41:09,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1740097103, now seen corresponding path program 1 times [2018-11-23 09:41:09,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:41:09,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:41:09,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:09,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:41:09,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:09,276 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 09:41:09,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:41:09,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:41:09,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:41:09,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:41:09,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:41:09,279 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states. [2018-11-23 09:41:09,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:41:09,298 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2018-11-23 09:41:09,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:41:09,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 09:41:09,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:41:09,301 INFO L225 Difference]: With dead ends: 157 [2018-11-23 09:41:09,301 INFO L226 Difference]: Without dead ends: 97 [2018-11-23 09:41:09,302 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 09:41:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-23 09:41:09,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-23 09:41:09,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-23 09:41:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2018-11-23 09:41:09,313 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2018-11-23 09:41:09,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:41:09,313 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2018-11-23 09:41:09,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:41:09,313 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2018-11-23 09:41:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 09:41:09,314 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:41:09,314 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 09:41:09,314 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:41:09,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:41:09,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1822705228, now seen corresponding path program 1 times [2018-11-23 09:41:09,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:41:09,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:41:09,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:09,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:41:09,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:09,423 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 09:41:09,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:41:09,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 09:41:09,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:41:09,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:41:09,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:41:09,425 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 7 states. [2018-11-23 09:41:09,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:41:09,668 INFO L93 Difference]: Finished difference Result 170 states and 197 transitions. [2018-11-23 09:41:09,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:41:09,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 09:41:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:41:09,669 INFO L225 Difference]: With dead ends: 170 [2018-11-23 09:41:09,669 INFO L226 Difference]: Without dead ends: 97 [2018-11-23 09:41:09,670 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 09:41:09,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-11-23 09:41:09,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-11-23 09:41:09,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-11-23 09:41:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2018-11-23 09:41:09,677 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2018-11-23 09:41:09,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:41:09,677 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2018-11-23 09:41:09,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:41:09,677 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2018-11-23 09:41:09,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 09:41:09,678 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:41:09,678 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] [2018-11-23 09:41:09,679 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:41:09,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:41:09,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1520658180, now seen corresponding path program 1 times [2018-11-23 09:41:09,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:41:09,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:41:09,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:09,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:41:09,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:09,836 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 09:41:09,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:41:09,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 09:41:09,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 09:41:09,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 09:41:09,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 09:41:09,839 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 10 states. [2018-11-23 09:41:10,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:41:10,205 INFO L93 Difference]: Finished difference Result 296 states and 357 transitions. [2018-11-23 09:41:10,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 09:41:10,207 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-11-23 09:41:10,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:41:10,214 INFO L225 Difference]: With dead ends: 296 [2018-11-23 09:41:10,214 INFO L226 Difference]: Without dead ends: 223 [2018-11-23 09:41:10,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 09:41:10,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-23 09:41:10,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 219. [2018-11-23 09:41:10,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-23 09:41:10,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 255 transitions. [2018-11-23 09:41:10,246 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 255 transitions. Word has length 60 [2018-11-23 09:41:10,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:41:10,247 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 255 transitions. [2018-11-23 09:41:10,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 09:41:10,247 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 255 transitions. [2018-11-23 09:41:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 09:41:10,250 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:41:10,251 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:41:10,251 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:41:10,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:41:10,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1954253220, now seen corresponding path program 1 times [2018-11-23 09:41:10,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:41:10,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:41:10,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:10,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:41:10,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:10,330 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 09:41:10,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:41:10,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:41:10,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:41:10,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:41:10,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:41:10,332 INFO L87 Difference]: Start difference. First operand 219 states and 255 transitions. Second operand 3 states. [2018-11-23 09:41:10,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:41:10,347 INFO L93 Difference]: Finished difference Result 356 states and 424 transitions. [2018-11-23 09:41:10,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:41:10,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-23 09:41:10,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:41:10,349 INFO L225 Difference]: With dead ends: 356 [2018-11-23 09:41:10,349 INFO L226 Difference]: Without dead ends: 161 [2018-11-23 09:41:10,350 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 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 09:41:10,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-23 09:41:10,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-11-23 09:41:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-23 09:41:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2018-11-23 09:41:10,364 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 68 [2018-11-23 09:41:10,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:41:10,364 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2018-11-23 09:41:10,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:41:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2018-11-23 09:41:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 09:41:10,366 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:41:10,367 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:41:10,367 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:41:10,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:41:10,368 INFO L82 PathProgramCache]: Analyzing trace with hash 123330663, now seen corresponding path program 1 times [2018-11-23 09:41:10,368 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:41:10,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:41:10,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:10,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:41:10,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:41:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 09:41:10,495 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:41:10,495 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 09:41:10,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:41:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:10,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:41:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 09:41:10,730 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 09:41:10,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 09:41:10,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 09:41:10,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 09:41:10,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-23 09:41:10,731 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand 12 states. [2018-11-23 09:41:11,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:41:11,158 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2018-11-23 09:41:11,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 09:41:11,159 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2018-11-23 09:41:11,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:41:11,160 INFO L225 Difference]: With dead ends: 207 [2018-11-23 09:41:11,160 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 09:41:11,160 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-23 09:41:11,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 09:41:11,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 09:41:11,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 09:41:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 09:41:11,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-11-23 09:41:11,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:41:11,161 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:41:11,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 09:41:11,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 09:41:11,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:41:11,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 09:41:11,972 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 690 697) the Hoare annotation is: true [2018-11-23 09:41:11,973 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 690 697) no Hoare annotation was computed. [2018-11-23 09:41:11,973 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 690 697) no Hoare annotation was computed. [2018-11-23 09:41:11,973 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 640 664) no Hoare annotation was computed. [2018-11-23 09:41:11,973 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 640 664) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 09:41:11,973 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 09:41:11,973 INFO L448 ceAbstractionStarter]: For program point L659-1(lines 640 664) no Hoare annotation was computed. [2018-11-23 09:41:11,973 INFO L444 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 09:41:11,973 INFO L444 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 09:41:11,974 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 656) no Hoare annotation was computed. [2018-11-23 09:41:11,974 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 09:41:11,974 INFO L448 ceAbstractionStarter]: For program point L646-1(line 646) no Hoare annotation was computed. [2018-11-23 09:41:11,974 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 661) no Hoare annotation was computed. [2018-11-23 09:41:11,974 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 09:41:11,974 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 09:41:11,974 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 09:41:11,974 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 09:41:11,974 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 09:41:11,974 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 549) no Hoare annotation was computed. [2018-11-23 09:41:11,975 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 533 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,975 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 533 598) no Hoare annotation was computed. [2018-11-23 09:41:11,975 INFO L444 ceAbstractionStarter]: At program point L591(lines 542 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,975 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 585) no Hoare annotation was computed. [2018-11-23 09:41:11,975 INFO L444 ceAbstractionStarter]: At program point L581-2(lines 573 586) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,975 INFO L448 ceAbstractionStarter]: For program point L544(lines 543 590) no Hoare annotation was computed. [2018-11-23 09:41:11,975 INFO L444 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,975 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 586) no Hoare annotation was computed. [2018-11-23 09:41:11,975 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,976 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2018-11-23 09:41:11,976 INFO L448 ceAbstractionStarter]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2018-11-23 09:41:11,976 INFO L444 ceAbstractionStarter]: At program point L588(lines 543 590) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,976 INFO L444 ceAbstractionStarter]: At program point L555(line 555) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,976 INFO L448 ceAbstractionStarter]: For program point L553(lines 553 559) no Hoare annotation was computed. [2018-11-23 09:41:11,976 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2018-11-23 09:41:11,976 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 533 598) no Hoare annotation was computed. [2018-11-23 09:41:11,976 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 868 892) the Hoare annotation is: true [2018-11-23 09:41:11,976 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 868 892) no Hoare annotation was computed. [2018-11-23 09:41:11,976 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 09:41:11,977 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 886) no Hoare annotation was computed. [2018-11-23 09:41:11,977 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 09:41:11,977 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-23 09:41:11,977 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 889) no Hoare annotation was computed. [2018-11-23 09:41:11,977 INFO L448 ceAbstractionStarter]: For program point L876-1(lines 868 892) no Hoare annotation was computed. [2018-11-23 09:41:11,977 INFO L451 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: true [2018-11-23 09:41:11,977 INFO L448 ceAbstractionStarter]: For program point L874-1(line 874) no Hoare annotation was computed. [2018-11-23 09:41:11,977 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 844 866) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,977 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 844 866) no Hoare annotation was computed. [2018-11-23 09:41:11,978 INFO L444 ceAbstractionStarter]: At program point L856(line 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,978 INFO L444 ceAbstractionStarter]: At program point L856-1(line 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,978 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 861) no Hoare annotation was computed. [2018-11-23 09:41:11,978 INFO L448 ceAbstractionStarter]: For program point L854-1(lines 854 861) no Hoare annotation was computed. [2018-11-23 09:41:11,978 INFO L448 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2018-11-23 09:41:11,978 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,978 INFO L444 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,978 INFO L444 ceAbstractionStarter]: At program point L850-1(line 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,979 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 844 866) no Hoare annotation was computed. [2018-11-23 09:41:11,979 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 632 638) no Hoare annotation was computed. [2018-11-23 09:41:11,979 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 632 638) the Hoare annotation is: true [2018-11-23 09:41:11,979 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 709 717) no Hoare annotation was computed. [2018-11-23 09:41:11,979 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 709 717) the Hoare annotation is: true [2018-11-23 09:41:11,979 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 709 717) no Hoare annotation was computed. [2018-11-23 09:41:11,979 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:41:11,979 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 09:41:11,979 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:41:11,980 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 154 162) the Hoare annotation is: true [2018-11-23 09:41:11,980 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2018-11-23 09:41:11,980 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2018-11-23 09:41:11,980 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2018-11-23 09:41:11,980 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2018-11-23 09:41:11,980 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2018-11-23 09:41:11,980 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2018-11-23 09:41:11,980 INFO L451 ceAbstractionStarter]: At program point L798(lines 773 802) the Hoare annotation is: true [2018-11-23 09:41:11,980 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2018-11-23 09:41:11,980 INFO L448 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-11-23 09:41:11,980 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 791) no Hoare annotation was computed. [2018-11-23 09:41:11,980 INFO L451 ceAbstractionStarter]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2018-11-23 09:41:11,981 INFO L448 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-11-23 09:41:11,981 INFO L451 ceAbstractionStarter]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2018-11-23 09:41:11,981 INFO L451 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-11-23 09:41:11,981 INFO L448 ceAbstractionStarter]: For program point L779-1(line 779) no Hoare annotation was computed. [2018-11-23 09:41:11,981 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 608 631) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 09:41:11,981 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 09:41:11,981 INFO L444 ceAbstractionStarter]: At program point L619(lines 619 625) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 09:41:11,981 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 608 631) no Hoare annotation was computed. [2018-11-23 09:41:11,982 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 608 631) no Hoare annotation was computed. [2018-11-23 09:41:11,982 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 09:41:11,982 INFO L448 ceAbstractionStarter]: For program point L612(lines 611 630) no Hoare annotation was computed. [2018-11-23 09:41:11,982 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2018-11-23 09:41:11,982 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2018-11-23 09:41:11,982 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2018-11-23 09:41:11,982 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2018-11-23 09:41:11,982 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2018-11-23 09:41:11,982 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2018-11-23 09:41:11,982 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 09:41:11,982 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 09:41:11,983 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 827 833) no Hoare annotation was computed. [2018-11-23 09:41:11,983 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 827 833) the Hoare annotation is: true [2018-11-23 09:41:11,983 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:41:11,983 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-23 09:41:11,983 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 09:41:11,983 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:41:11,983 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 754 761) no Hoare annotation was computed. [2018-11-23 09:41:11,983 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 754 761) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2018-11-23 09:41:11,983 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 754 761) no Hoare annotation was computed. [2018-11-23 09:41:11,983 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2018-11-23 09:41:11,984 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2018-11-23 09:41:11,984 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 09:41:11,984 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 763 770) no Hoare annotation was computed. [2018-11-23 09:41:11,984 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 763 770) the Hoare annotation is: true [2018-11-23 09:41:11,984 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2018-11-23 09:41:11,984 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 763 770) no Hoare annotation was computed. [2018-11-23 09:41:11,984 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 834 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 09:41:11,984 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 834 843) no Hoare annotation was computed. [2018-11-23 09:41:11,984 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 834 843) no Hoare annotation was computed. [2018-11-23 09:41:11,985 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 698 708) the Hoare annotation is: true [2018-11-23 09:41:11,985 INFO L451 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: true [2018-11-23 09:41:11,985 INFO L448 ceAbstractionStarter]: For program point L703-1(line 703) no Hoare annotation was computed. [2018-11-23 09:41:11,985 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 698 708) no Hoare annotation was computed. [2018-11-23 09:41:11,985 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 698 708) no Hoare annotation was computed. [2018-11-23 09:41:11,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:41:11 BoogieIcfgContainer [2018-11-23 09:41:11,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 09:41:11,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:41:11,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:41:11,997 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:41:11,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:08" (3/4) ... [2018-11-23 09:41:12,001 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:41:12,007 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 09:41:12,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 09:41:12,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 09:41:12,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 09:41:12,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 09:41:12,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 09:41:12,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 09:41:12,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 09:41:12,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 09:41:12,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 09:41:12,008 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 09:41:12,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 09:41:12,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 09:41:12,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 09:41:12,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 09:41:12,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 09:41:12,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 09:41:12,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 09:41:12,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 09:41:12,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 09:41:12,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 09:41:12,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 09:41:12,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 09:41:12,017 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 09:41:12,017 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 09:41:12,018 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 09:41:12,018 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 09:41:12,018 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 09:41:12,018 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:41:12,019 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:41:12,045 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 09:41:12,045 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 09:41:12,081 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f65fbf29-cb75-4d0c-b58c-1c62832349a8/bin-2019/uautomizer/witness.graphml [2018-11-23 09:41:12,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:41:12,082 INFO L168 Benchmark]: Toolchain (without parser) took 4259.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -129.3 MB). Peak memory consumption was 65.8 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:12,083 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:41:12,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:12,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.55 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 09:41:12,083 INFO L168 Benchmark]: Boogie Preprocessor took 32.64 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:12,084 INFO L168 Benchmark]: RCFGBuilder took 509.91 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:12,084 INFO L168 Benchmark]: TraceAbstraction took 3220.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.9 MB). Peak memory consumption was 212.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:12,084 INFO L168 Benchmark]: Witness Printer took 84.36 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: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:41:12,086 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 381.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -176.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.55 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 32.64 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 509.91 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3220.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.9 MB). Peak memory consumption was 212.9 MB. Max. memory is 11.5 GB. * Witness Printer took 84.36 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: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: 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: 542]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 119 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 650 SDtfs, 491 SDslu, 1308 SDs, 0 SdLazy, 808 SolverSat, 151 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 290 PreInvPairs, 305 NumberOfFragments, 789 HoareAnnotationTreeSize, 290 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1093 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 473 NumberOfCodeBlocks, 473 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 69814 SizeOfPredicates, 3 NumberOfNonLiveVariables, 746 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 58/64 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...