./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product56_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product56_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/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 525453629ce87b69ed1d4100e13fdb9e0c8a872a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 13:31:10,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:31:10,283 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:31:10,289 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:31:10,289 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:31:10,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:31:10,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:31:10,291 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:31:10,292 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:31:10,293 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:31:10,293 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:31:10,293 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:31:10,294 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:31:10,294 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:31:10,295 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:31:10,295 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:31:10,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:31:10,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:31:10,297 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:31:10,298 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:31:10,298 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:31:10,299 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:31:10,300 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:31:10,300 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:31:10,300 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:31:10,301 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:31:10,301 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:31:10,302 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:31:10,302 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:31:10,303 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:31:10,303 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:31:10,303 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:31:10,303 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:31:10,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:31:10,304 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:31:10,304 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:31:10,304 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 13:31:10,311 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:31:10,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:31:10,312 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:31:10,312 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:31:10,312 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 13:31:10,312 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 13:31:10,313 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:31:10,313 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:31:10,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:31:10,314 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:31:10,314 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:31:10,314 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:31:10,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:31:10,314 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:31:10,314 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:31:10,314 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:31:10,314 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 13:31:10,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:31:10,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:31:10,314 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_d887a9f2-1f29-4486-afb3-ee09b34f23d0/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 -> 525453629ce87b69ed1d4100e13fdb9e0c8a872a [2018-12-09 13:31:10,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:31:10,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:31:10,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:31:10,341 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:31:10,342 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:31:10,342 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product56_false-unreach-call_false-termination.cil.c [2018-12-09 13:31:10,379 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/data/44976c275/9eea1e76d9e74e9eb17f99b166aba9cd/FLAG6ee330322 [2018-12-09 13:31:10,838 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:31:10,839 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/sv-benchmarks/c/product-lines/minepump_spec3_product56_false-unreach-call_false-termination.cil.c [2018-12-09 13:31:10,845 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/data/44976c275/9eea1e76d9e74e9eb17f99b166aba9cd/FLAG6ee330322 [2018-12-09 13:31:10,853 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/data/44976c275/9eea1e76d9e74e9eb17f99b166aba9cd [2018-12-09 13:31:10,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:31:10,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:31:10,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:31:10,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:31:10,859 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:31:10,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:31:10" (1/1) ... [2018-12-09 13:31:10,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cd0825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:10, skipping insertion in model container [2018-12-09 13:31:10,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:31:10" (1/1) ... [2018-12-09 13:31:10,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:31:10,887 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:31:11,039 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:31:11,047 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:31:11,141 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:31:11,160 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:31:11,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11 WrapperNode [2018-12-09 13:31:11,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:31:11,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:31:11,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:31:11,161 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:31:11,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (1/1) ... [2018-12-09 13:31:11,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (1/1) ... [2018-12-09 13:31:11,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:31:11,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:31:11,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:31:11,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:31:11,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (1/1) ... [2018-12-09 13:31:11,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (1/1) ... [2018-12-09 13:31:11,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (1/1) ... [2018-12-09 13:31:11,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (1/1) ... [2018-12-09 13:31:11,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (1/1) ... [2018-12-09 13:31:11,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (1/1) ... [2018-12-09 13:31:11,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (1/1) ... [2018-12-09 13:31:11,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:31:11,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:31:11,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:31:11,209 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:31:11,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:31:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 13:31:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 13:31:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:31:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:31:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 13:31:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 13:31:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 13:31:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 13:31:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:31:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 13:31:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 13:31:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 13:31:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 13:31:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 13:31:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 13:31:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 13:31:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 13:31:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 13:31:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 13:31:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 13:31:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 13:31:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 13:31:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 13:31:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 13:31:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 13:31:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 13:31:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 13:31:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 13:31:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 13:31:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 13:31:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 13:31:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 13:31:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 13:31:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 13:31:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 13:31:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 13:31:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 13:31:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 13:31:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 13:31:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 13:31:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 13:31:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 13:31:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 13:31:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 13:31:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 13:31:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 13:31:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 13:31:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 13:31:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 13:31:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 13:31:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 13:31:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 13:31:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 13:31:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 13:31:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 13:31:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 13:31:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:31:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:31:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 13:31:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 13:31:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 13:31:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 13:31:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 13:31:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 13:31:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:31:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:31:11,516 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:31:11,516 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 13:31:11,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:31:11 BoogieIcfgContainer [2018-12-09 13:31:11,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:31:11,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:31:11,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:31:11,519 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:31:11,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:31:10" (1/3) ... [2018-12-09 13:31:11,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b327a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:31:11, skipping insertion in model container [2018-12-09 13:31:11,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:31:11" (2/3) ... [2018-12-09 13:31:11,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b327a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:31:11, skipping insertion in model container [2018-12-09 13:31:11,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:31:11" (3/3) ... [2018-12-09 13:31:11,521 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product56_false-unreach-call_false-termination.cil.c [2018-12-09 13:31:11,527 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:31:11,532 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:31:11,540 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:31:11,558 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 13:31:11,559 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:31:11,559 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 13:31:11,559 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:31:11,559 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:31:11,559 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:31:11,559 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:31:11,559 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:31:11,559 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:31:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-12-09 13:31:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 13:31:11,576 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:31:11,577 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:31:11,578 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:31:11,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:31:11,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1824431936, now seen corresponding path program 1 times [2018-12-09 13:31:11,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:31:11,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:31:11,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:11,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:31:11,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:31:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:31:11,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:31:11,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 13:31:11,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 13:31:11,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 13:31:11,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 13:31:11,728 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-12-09 13:31:11,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:31:11,754 INFO L93 Difference]: Finished difference Result 318 states and 395 transitions. [2018-12-09 13:31:11,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 13:31:11,755 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 13:31:11,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:31:11,763 INFO L225 Difference]: With dead ends: 318 [2018-12-09 13:31:11,763 INFO L226 Difference]: Without dead ends: 159 [2018-12-09 13:31:11,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 13:31:11,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-12-09 13:31:11,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-12-09 13:31:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-12-09 13:31:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2018-12-09 13:31:11,800 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 52 [2018-12-09 13:31:11,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:31:11,800 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2018-12-09 13:31:11,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 13:31:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2018-12-09 13:31:11,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 13:31:11,802 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:31:11,802 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] [2018-12-09 13:31:11,802 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:31:11,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:31:11,803 INFO L82 PathProgramCache]: Analyzing trace with hash 651794062, now seen corresponding path program 1 times [2018-12-09 13:31:11,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:31:11,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:31:11,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:11,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:31:11,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:31:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:31:11,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:31:11,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:31:11,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:31:11,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:31:11,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:31:11,853 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2018-12-09 13:31:11,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:31:11,866 INFO L93 Difference]: Finished difference Result 257 states and 305 transitions. [2018-12-09 13:31:11,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:31:11,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 13:31:11,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:31:11,868 INFO L225 Difference]: With dead ends: 257 [2018-12-09 13:31:11,868 INFO L226 Difference]: Without dead ends: 150 [2018-12-09 13:31:11,869 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:31:11,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-09 13:31:11,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-09 13:31:11,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-09 13:31:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2018-12-09 13:31:11,877 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 53 [2018-12-09 13:31:11,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:31:11,878 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2018-12-09 13:31:11,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:31:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2018-12-09 13:31:11,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 13:31:11,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:31:11,879 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] [2018-12-09 13:31:11,879 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:31:11,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:31:11,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1571968463, now seen corresponding path program 1 times [2018-12-09 13:31:11,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:31:11,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:31:11,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:11,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:31:11,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:31:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:31:11,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:31:11,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:31:11,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:31:11,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:31:11,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:31:11,956 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2018-12-09 13:31:12,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:31:12,220 INFO L93 Difference]: Finished difference Result 458 states and 558 transitions. [2018-12-09 13:31:12,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 13:31:12,221 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 13:31:12,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:31:12,223 INFO L225 Difference]: With dead ends: 458 [2018-12-09 13:31:12,223 INFO L226 Difference]: Without dead ends: 332 [2018-12-09 13:31:12,225 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 13:31:12,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-12-09 13:31:12,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 320. [2018-12-09 13:31:12,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-09 13:31:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 389 transitions. [2018-12-09 13:31:12,255 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 389 transitions. Word has length 58 [2018-12-09 13:31:12,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:31:12,256 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 389 transitions. [2018-12-09 13:31:12,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:31:12,256 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 389 transitions. [2018-12-09 13:31:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 13:31:12,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:31:12,258 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] [2018-12-09 13:31:12,259 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:31:12,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:31:12,259 INFO L82 PathProgramCache]: Analyzing trace with hash -2117226769, now seen corresponding path program 1 times [2018-12-09 13:31:12,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:31:12,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:31:12,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:12,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:31:12,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:31:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:31:12,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:31:12,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 13:31:12,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:31:12,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:31:12,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:31:12,321 INFO L87 Difference]: Start difference. First operand 320 states and 389 transitions. Second operand 6 states. [2018-12-09 13:31:12,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:31:12,454 INFO L93 Difference]: Finished difference Result 885 states and 1127 transitions. [2018-12-09 13:31:12,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 13:31:12,454 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-09 13:31:12,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:31:12,457 INFO L225 Difference]: With dead ends: 885 [2018-12-09 13:31:12,457 INFO L226 Difference]: Without dead ends: 589 [2018-12-09 13:31:12,458 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 13:31:12,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2018-12-09 13:31:12,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 583. [2018-12-09 13:31:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2018-12-09 13:31:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 718 transitions. [2018-12-09 13:31:12,505 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 718 transitions. Word has length 63 [2018-12-09 13:31:12,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:31:12,505 INFO L480 AbstractCegarLoop]: Abstraction has 583 states and 718 transitions. [2018-12-09 13:31:12,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:31:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 718 transitions. [2018-12-09 13:31:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 13:31:12,509 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:31:12,509 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] [2018-12-09 13:31:12,509 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:31:12,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:31:12,510 INFO L82 PathProgramCache]: Analyzing trace with hash -624029547, now seen corresponding path program 1 times [2018-12-09 13:31:12,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:31:12,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:31:12,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:12,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:31:12,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:31:12,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:31:12,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:31:12,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 13:31:12,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 13:31:12,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 13:31:12,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 13:31:12,563 INFO L87 Difference]: Start difference. First operand 583 states and 718 transitions. Second operand 4 states. [2018-12-09 13:31:12,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:31:12,768 INFO L93 Difference]: Finished difference Result 1413 states and 1852 transitions. [2018-12-09 13:31:12,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 13:31:12,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-12-09 13:31:12,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:31:12,772 INFO L225 Difference]: With dead ends: 1413 [2018-12-09 13:31:12,772 INFO L226 Difference]: Without dead ends: 854 [2018-12-09 13:31:12,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 13:31:12,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2018-12-09 13:31:12,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 757. [2018-12-09 13:31:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2018-12-09 13:31:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 917 transitions. [2018-12-09 13:31:12,820 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 917 transitions. Word has length 67 [2018-12-09 13:31:12,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:31:12,821 INFO L480 AbstractCegarLoop]: Abstraction has 757 states and 917 transitions. [2018-12-09 13:31:12,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 13:31:12,821 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 917 transitions. [2018-12-09 13:31:12,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 13:31:12,822 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:31:12,822 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] [2018-12-09 13:31:12,822 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:31:12,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:31:12,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1085631787, now seen corresponding path program 1 times [2018-12-09 13:31:12,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 13:31:12,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 13:31:12,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:12,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:31:12,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:31:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:31:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:31:12,919 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 13:31:13,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:31:13 BoogieIcfgContainer [2018-12-09 13:31:13,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:31:13,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:31:13,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:31:13,005 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:31:13,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:31:11" (3/4) ... [2018-12-09 13:31:13,007 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 13:31:13,079 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d887a9f2-1f29-4486-afb3-ee09b34f23d0/bin-2019/uautomizer/witness.graphml [2018-12-09 13:31:13,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:31:13,080 INFO L168 Benchmark]: Toolchain (without parser) took 2224.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 906.0 MB in the end (delta: 45.7 MB). Peak memory consumption was 130.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:31:13,081 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:31:13,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:31:13,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:31:13,082 INFO L168 Benchmark]: Boogie Preprocessor took 22.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:31:13,082 INFO L168 Benchmark]: RCFGBuilder took 308.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-12-09 13:31:13,083 INFO L168 Benchmark]: TraceAbstraction took 1487.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 931.6 MB in the end (delta: 81.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:31:13,083 INFO L168 Benchmark]: Witness Printer took 75.08 ms. Allocated memory is still 1.1 GB. Free memory was 931.6 MB in the beginning and 906.0 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-09 13:31:13,085 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 308.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1487.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 931.6 MB in the end (delta: 81.8 MB). Peak memory consumption was 81.8 MB. Max. memory is 11.5 GB. * Witness Printer took 75.08 ms. Allocated memory is still 1.1 GB. Free memory was 931.6 MB in the beginning and 906.0 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1013]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L313] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L694] int pumpRunning = 0; [L695] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L941] int splverifierCounter ; [L942] int tmp ; [L943] int tmp___0 ; [L944] int tmp___1 ; [L945] int tmp___2 ; [L948] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L950] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L952] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L958] tmp = __VERIFIER_nondet_int() [L960] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L962] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L605] COND TRUE waterLevel < 2 [L606] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L962] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L968] tmp___0 = __VERIFIER_nondet_int() [L970] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L978] tmp___2 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___2)) [L986] tmp___1 = __VERIFIER_nondet_int() [L988] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L990] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L920] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L927] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L990] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L997] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L701] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L708] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L716] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L550] int tmp ; [L551] int tmp___0 ; [L552] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L556] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L626] int retValue_acc ; [L629] retValue_acc = methaneLevelCritical [L630] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L556] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L556] tmp = isMethaneLevelCritical() [L558] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L562] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L658] int retValue_acc ; [L661] retValue_acc = waterLevel [L662] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L562] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L562] tmp___0 = getWaterLevel() [L564] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L566] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L834] int retValue_acc ; [L837] retValue_acc = pumpRunning [L838] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L566] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L566] tmp___1 = isPumpRunning() [L568] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L572] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1013] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 172 locations, 1 error locations. UNSAFE Result, 1.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 958 SDtfs, 663 SDslu, 1653 SDs, 0 SdLazy, 537 SolverSat, 133 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=757occurred in iteration=5, 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, 115 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 29244 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 incorrect! Received shutdown request...