./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product48_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product48_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/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 43ef5600519005fc88dd599d15644e5bf72b4abd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 12:28:21,177 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:28:21,178 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:28:21,186 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:28:21,186 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:28:21,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:28:21,188 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:28:21,189 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:28:21,190 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:28:21,191 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:28:21,191 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:28:21,192 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:28:21,192 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:28:21,193 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:28:21,194 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:28:21,194 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:28:21,195 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:28:21,196 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:28:21,197 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:28:21,198 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:28:21,199 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:28:21,200 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:28:21,202 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:28:21,202 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:28:21,202 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:28:21,203 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:28:21,203 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:28:21,204 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:28:21,204 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:28:21,205 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:28:21,205 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:28:21,206 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:28:21,206 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:28:21,206 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:28:21,206 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:28:21,207 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:28:21,207 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:28:21,217 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:28:21,217 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:28:21,218 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:28:21,218 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:28:21,218 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:28:21,219 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:28:21,219 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:28:21,219 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:28:21,219 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:28:21,219 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:28:21,219 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:28:21,219 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:28:21,220 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:28:21,220 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:28:21,220 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:28:21,220 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:28:21,220 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:28:21,220 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:28:21,220 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:28:21,221 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:28:21,221 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:28:21,221 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:28:21,221 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:28:21,221 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:28:21,221 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:28:21,222 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:28:21,222 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:28:21,222 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:28:21,222 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:28:21,222 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:28:21,222 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_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/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 -> 43ef5600519005fc88dd599d15644e5bf72b4abd [2018-11-28 12:28:21,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:28:21,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:28:21,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:28:21,257 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:28:21,258 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:28:21,258 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product48_false-unreach-call_false-termination.cil.c [2018-11-28 12:28:21,297 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/data/27fa97a27/0f1e5a5513bb4d7b9a530894f1c7e1a5/FLAG9621a6c86 [2018-11-28 12:28:21,722 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:28:21,722 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/sv-benchmarks/c/product-lines/minepump_spec3_product48_false-unreach-call_false-termination.cil.c [2018-11-28 12:28:21,729 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/data/27fa97a27/0f1e5a5513bb4d7b9a530894f1c7e1a5/FLAG9621a6c86 [2018-11-28 12:28:21,737 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/data/27fa97a27/0f1e5a5513bb4d7b9a530894f1c7e1a5 [2018-11-28 12:28:21,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:28:21,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:28:21,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:28:21,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:28:21,743 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:28:21,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:28:21" (1/1) ... [2018-11-28 12:28:21,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d75b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:21, skipping insertion in model container [2018-11-28 12:28:21,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:28:21" (1/1) ... [2018-11-28 12:28:21,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:28:21,779 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:28:21,961 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:28:22,016 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:28:22,075 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:28:22,095 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:28:22,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22 WrapperNode [2018-11-28 12:28:22,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:28:22,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:28:22,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:28:22,096 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:28:22,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (1/1) ... [2018-11-28 12:28:22,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (1/1) ... [2018-11-28 12:28:22,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:28:22,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:28:22,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:28:22,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:28:22,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (1/1) ... [2018-11-28 12:28:22,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (1/1) ... [2018-11-28 12:28:22,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (1/1) ... [2018-11-28 12:28:22,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (1/1) ... [2018-11-28 12:28:22,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (1/1) ... [2018-11-28 12:28:22,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (1/1) ... [2018-11-28 12:28:22,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (1/1) ... [2018-11-28 12:28:22,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:28:22,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:28:22,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:28:22,155 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:28:22,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/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 [2018-11-28 12:28:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:28:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:28:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:28:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:28:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 12:28:22,196 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 12:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:28:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:28:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:28:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:28:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:28:22,197 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:28:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:28:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:28:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:28:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:28:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:28:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:28:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:28:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:28:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:28:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:28:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:28:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:28:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:28:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:28:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 12:28:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 12:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:28:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:28:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:28:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:28:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:28:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:28:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:28:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:28:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:28:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:28:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:28:22,674 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:28:22,674 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:28:22,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:28:22 BoogieIcfgContainer [2018-11-28 12:28:22,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:28:22,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:28:22,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:28:22,678 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:28:22,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:28:21" (1/3) ... [2018-11-28 12:28:22,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e523434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:28:22, skipping insertion in model container [2018-11-28 12:28:22,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:28:22" (2/3) ... [2018-11-28 12:28:22,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e523434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:28:22, skipping insertion in model container [2018-11-28 12:28:22,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:28:22" (3/3) ... [2018-11-28 12:28:22,681 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product48_false-unreach-call_false-termination.cil.c [2018-11-28 12:28:22,689 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:28:22,695 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:28:22,708 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:28:22,733 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:28:22,734 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:28:22,734 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:28:22,734 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:28:22,734 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:28:22,734 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:28:22,734 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:28:22,734 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:28:22,735 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:28:22,752 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-28 12:28:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:28:22,759 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:28:22,760 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] [2018-11-28 12:28:22,761 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:28:22,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:28:22,765 INFO L82 PathProgramCache]: Analyzing trace with hash -592473296, now seen corresponding path program 1 times [2018-11-28 12:28:22,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:28:22,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:28:22,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:28:22,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:28:22,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:28:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:28:22,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:28:22,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:28:22,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:28:22,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:28:22,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:28:22,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:28:22,959 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-11-28 12:28:22,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:28:22,989 INFO L93 Difference]: Finished difference Result 292 states and 363 transitions. [2018-11-28 12:28:22,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:28:22,990 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 12:28:22,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:28:22,999 INFO L225 Difference]: With dead ends: 292 [2018-11-28 12:28:23,000 INFO L226 Difference]: Without dead ends: 146 [2018-11-28 12:28:23,002 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 [2018-11-28 12:28:23,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-28 12:28:23,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-28 12:28:23,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-28 12:28:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2018-11-28 12:28:23,037 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2018-11-28 12:28:23,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:28:23,037 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2018-11-28 12:28:23,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:28:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2018-11-28 12:28:23,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:28:23,039 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:28:23,040 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] [2018-11-28 12:28:23,040 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:28:23,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:28:23,040 INFO L82 PathProgramCache]: Analyzing trace with hash 512225008, now seen corresponding path program 1 times [2018-11-28 12:28:23,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:28:23,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:28:23,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:28:23,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:28:23,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:28:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:28:23,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:28:23,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:28:23,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:28:23,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:28:23,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:28:23,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:28:23,127 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 3 states. [2018-11-28 12:28:23,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:28:23,145 INFO L93 Difference]: Finished difference Result 231 states and 273 transitions. [2018-11-28 12:28:23,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:28:23,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 12:28:23,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:28:23,147 INFO L225 Difference]: With dead ends: 231 [2018-11-28 12:28:23,148 INFO L226 Difference]: Without dead ends: 137 [2018-11-28 12:28:23,149 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 [2018-11-28 12:28:23,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-28 12:28:23,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-28 12:28:23,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-28 12:28:23,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 161 transitions. [2018-11-28 12:28:23,158 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 161 transitions. Word has length 53 [2018-11-28 12:28:23,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:28:23,158 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 161 transitions. [2018-11-28 12:28:23,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:28:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2018-11-28 12:28:23,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 12:28:23,159 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:28:23,159 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] [2018-11-28 12:28:23,159 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:28:23,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:28:23,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1982590233, now seen corresponding path program 1 times [2018-11-28 12:28:23,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:28:23,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:28:23,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:28:23,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:28:23,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:28:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:28:23,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:28:23,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:28:23,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:28:23,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:28:23,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:28:23,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:28:23,318 INFO L87 Difference]: Start difference. First operand 137 states and 161 transitions. Second operand 7 states. [2018-11-28 12:28:23,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:28:23,772 INFO L93 Difference]: Finished difference Result 419 states and 510 transitions. [2018-11-28 12:28:23,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:28:23,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 12:28:23,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:28:23,775 INFO L225 Difference]: With dead ends: 419 [2018-11-28 12:28:23,775 INFO L226 Difference]: Without dead ends: 306 [2018-11-28 12:28:23,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:28:23,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-11-28 12:28:23,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 294. [2018-11-28 12:28:23,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-11-28 12:28:23,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2018-11-28 12:28:23,809 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 58 [2018-11-28 12:28:23,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:28:23,809 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2018-11-28 12:28:23,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:28:23,810 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2018-11-28 12:28:23,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 12:28:23,812 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:28:23,812 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] [2018-11-28 12:28:23,813 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:28:23,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:28:23,813 INFO L82 PathProgramCache]: Analyzing trace with hash -88804966, now seen corresponding path program 1 times [2018-11-28 12:28:23,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:28:23,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:28:23,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:28:23,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:28:23,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:28:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:28:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:28:23,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:28:23,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:28:23,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:28:23,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:28:23,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:28:23,913 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand 6 states. [2018-11-28 12:28:24,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:28:24,061 INFO L93 Difference]: Finished difference Result 807 states and 1027 transitions. [2018-11-28 12:28:24,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:28:24,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-28 12:28:24,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:28:24,065 INFO L225 Difference]: With dead ends: 807 [2018-11-28 12:28:24,065 INFO L226 Difference]: Without dead ends: 537 [2018-11-28 12:28:24,066 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 [2018-11-28 12:28:24,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-11-28 12:28:24,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 531. [2018-11-28 12:28:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-11-28 12:28:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 654 transitions. [2018-11-28 12:28:24,099 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 654 transitions. Word has length 63 [2018-11-28 12:28:24,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:28:24,100 INFO L480 AbstractCegarLoop]: Abstraction has 531 states and 654 transitions. [2018-11-28 12:28:24,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:28:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 654 transitions. [2018-11-28 12:28:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:28:24,102 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:28:24,102 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] [2018-11-28 12:28:24,103 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:28:24,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:28:24,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1211282720, now seen corresponding path program 1 times [2018-11-28 12:28:24,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:28:24,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:28:24,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:28:24,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:28:24,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:28:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:28:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:28:24,206 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:28:24,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:28:24 BoogieIcfgContainer [2018-11-28 12:28:24,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:28:24,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:28:24,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:28:24,299 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:28:24,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:28:22" (3/4) ... [2018-11-28 12:28:24,302 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 12:28:24,401 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2041e8c-dfb7-4256-ab30-4bcb1313d6e2/bin-2019/uautomizer/witness.graphml [2018-11-28 12:28:24,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:28:24,402 INFO L168 Benchmark]: Toolchain (without parser) took 2662.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 951.3 MB in the beginning and 845.1 MB in the end (delta: 106.2 MB). Peak memory consumption was 276.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:28:24,403 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:28:24,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -203.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:28:24,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:28:24,404 INFO L168 Benchmark]: Boogie Preprocessor took 28.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:28:24,404 INFO L168 Benchmark]: RCFGBuilder took 520.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 56.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:28:24,404 INFO L168 Benchmark]: TraceAbstraction took 1623.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.1 MB in the end (delta: 228.0 MB). Peak memory consumption was 228.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:28:24,404 INFO L168 Benchmark]: Witness Printer took 102.19 ms. Allocated memory is still 1.2 GB. Free memory was 871.1 MB in the beginning and 845.1 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:28:24,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -203.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 520.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 56.1 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1623.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.1 MB in the end (delta: 228.0 MB). Peak memory consumption was 228.0 MB. Max. memory is 11.5 GB. * Witness Printer took 102.19 ms. Allocated memory is still 1.2 GB. Free memory was 871.1 MB in the beginning and 845.1 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L129] int waterLevel = 1; [L130] int methaneLevelCritical = 0; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L447] int cleanupTimeShifts = 4; [L782] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L521] int retValue_acc ; [L522] 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] [L526] 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] [L527] 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] [L528] 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] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] 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] [L528] 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] [L528] tmp = valid_product() [L530] 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] [L532] 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] [L533] 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] [L515] 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] [L545] int splverifierCounter ; [L546] int tmp ; [L547] int tmp___0 ; [L548] int tmp___1 ; [L549] int tmp___2 ; [L552] 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] [L554] 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] [L556] 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] [L562] tmp = __VERIFIER_nondet_int() [L564] 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] [L566] 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] [L147] COND TRUE waterLevel < 2 [L148] 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] [L566] 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] [L572] tmp___0 = __VERIFIER_nondet_int() [L574] 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] [L582] tmp___2 = __VERIFIER_nondet_int() [L584] COND FALSE !(\read(tmp___2)) [L590] tmp___1 = __VERIFIER_nondet_int() [L592] 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] [L594] 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] [L427] 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] [L434] 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] [L594] 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] [L601] 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] [L236] 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] [L243] 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] [L251] 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] [L91] int tmp ; [L92] int tmp___0 ; [L93] 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] [L97] 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] [L168] int retValue_acc ; [L171] retValue_acc = methaneLevelCritical [L172] 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] [L97] 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] [L97] tmp = isMethaneLevelCritical() [L99] 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] [L103] 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] [L200] int retValue_acc ; [L203] retValue_acc = waterLevel [L204] 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] [L103] 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] [L103] tmp___0 = getWaterLevel() [L105] 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] [L107] 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] [L360] int retValue_acc ; [L363] retValue_acc = pumpRunning [L364] 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] [L107] 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] [L107] tmp___1 = isPumpRunning() [L109] 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] [L113] 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] [L44] __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 30 procedures, 159 locations, 1 error locations. UNSAFE Result, 1.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 740 SDtfs, 389 SDslu, 1439 SDs, 0 SdLazy, 340 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=531occurred 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, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 21060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...