./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product60_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_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product60_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/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 fddb6b0f0f2a5c528e066b10e7f7ba2c13018b92 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:10:31,304 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:10:31,305 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:10:31,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:10:31,315 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:10:31,315 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:10:31,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:10:31,318 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:10:31,319 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:10:31,320 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:10:31,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:10:31,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:10:31,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:10:31,323 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:10:31,324 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:10:31,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:10:31,325 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:10:31,327 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:10:31,329 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:10:31,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:10:31,331 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:10:31,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:10:31,335 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:10:31,335 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:10:31,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:10:31,337 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:10:31,338 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:10:31,339 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:10:31,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:10:31,340 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:10:31,341 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:10:31,341 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:10:31,341 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:10:31,342 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:10:31,342 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:10:31,343 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:10:31,343 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:10:31,355 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:10:31,355 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:10:31,356 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:10:31,356 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:10:31,356 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:10:31,356 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:10:31,357 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:10:31,357 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:10:31,357 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:10:31,357 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:10:31,357 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:10:31,358 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:10:31,358 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:10:31,358 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:10:31,358 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:10:31,358 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:10:31,358 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:10:31,358 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:10:31,359 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:10:31,359 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:10:31,359 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:10:31,359 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:10:31,359 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:10:31,360 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:10:31,360 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:10:31,360 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:10:31,360 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:10:31,360 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:10:31,360 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:10:31,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:10:31,361 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_ef0a7215-39d3-4b18-b313-b0efed75741d/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 -> fddb6b0f0f2a5c528e066b10e7f7ba2c13018b92 [2018-11-28 13:10:31,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:10:31,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:10:31,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:10:31,400 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:10:31,400 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:10:31,400 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product60_false-unreach-call_false-termination.cil.c [2018-11-28 13:10:31,443 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/data/e6fded6a9/7219d761d507440c87441530436e6afc/FLAG3fbd1e752 [2018-11-28 13:10:31,856 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:10:31,857 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/sv-benchmarks/c/product-lines/minepump_spec3_product60_false-unreach-call_false-termination.cil.c [2018-11-28 13:10:31,869 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/data/e6fded6a9/7219d761d507440c87441530436e6afc/FLAG3fbd1e752 [2018-11-28 13:10:32,229 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/data/e6fded6a9/7219d761d507440c87441530436e6afc [2018-11-28 13:10:32,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:10:32,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:10:32,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:10:32,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:10:32,236 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:10:32,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd7e613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32, skipping insertion in model container [2018-11-28 13:10:32,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:10:32,278 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:10:32,515 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:10:32,527 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:10:32,641 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:10:32,660 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:10:32,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32 WrapperNode [2018-11-28 13:10:32,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:10:32,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:10:32,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:10:32,662 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:10:32,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:10:32,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:10:32,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:10:32,690 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:10:32,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (1/1) ... [2018-11-28 13:10:32,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:10:32,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:10:32,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:10:32,727 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:10:32,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/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 13:10:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:10:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:10:32,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:10:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:10:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:10:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:10:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:10:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:10:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:10:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:10:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:10:32,768 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:10:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:10:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:10:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:10:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:10:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:10:32,769 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:10:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:10:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:10:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:10:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:10:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:10:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:10:32,770 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:10:32,770 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:10:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:10:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:10:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:10:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:10:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:10:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:10:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:10:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:10:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:10:32,771 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:10:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:10:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:10:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:10:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 13:10:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 13:10:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:10:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:10:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:10:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:10:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:10:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:10:32,772 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:10:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:10:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:10:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:10:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:10:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:10:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:10:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:10:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:10:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:10:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:10:32,773 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:10:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:10:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:10:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:10:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:10:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:10:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:10:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:10:33,246 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:10:33,246 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:10:33,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:10:33 BoogieIcfgContainer [2018-11-28 13:10:33,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:10:33,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:10:33,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:10:33,251 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:10:33,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:10:32" (1/3) ... [2018-11-28 13:10:33,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658a47e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:10:33, skipping insertion in model container [2018-11-28 13:10:33,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:32" (2/3) ... [2018-11-28 13:10:33,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658a47e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:10:33, skipping insertion in model container [2018-11-28 13:10:33,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:10:33" (3/3) ... [2018-11-28 13:10:33,255 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product60_false-unreach-call_false-termination.cil.c [2018-11-28 13:10:33,263 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:10:33,270 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:10:33,281 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:10:33,306 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:10:33,307 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:10:33,307 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:10:33,307 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:10:33,307 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:10:33,307 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:10:33,307 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:10:33,307 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:10:33,308 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:10:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-11-28 13:10:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:10:33,334 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:10:33,335 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 13:10:33,337 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:10:33,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:33,341 INFO L82 PathProgramCache]: Analyzing trace with hash 880043756, now seen corresponding path program 1 times [2018-11-28 13:10:33,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:33,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:33,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:33,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:33,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:10:33,564 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 13:10:33,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:10:33,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:10:33,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:10:33,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:10:33,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:10:33,580 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-11-28 13:10:33,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:10:33,612 INFO L93 Difference]: Finished difference Result 312 states and 383 transitions. [2018-11-28 13:10:33,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:10:33,613 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 13:10:33,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:10:33,623 INFO L225 Difference]: With dead ends: 312 [2018-11-28 13:10:33,623 INFO L226 Difference]: Without dead ends: 156 [2018-11-28 13:10:33,626 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 13:10:33,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-28 13:10:33,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-28 13:10:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-28 13:10:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2018-11-28 13:10:33,670 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 52 [2018-11-28 13:10:33,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:10:33,670 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2018-11-28 13:10:33,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:10:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2018-11-28 13:10:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 13:10:33,674 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:10:33,674 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 13:10:33,674 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:10:33,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:33,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1774076636, now seen corresponding path program 1 times [2018-11-28 13:10:33,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:33,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:33,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:33,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:33,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:10:33,761 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 13:10:33,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:10:33,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:10:33,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:10:33,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:10:33,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:10:33,764 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 3 states. [2018-11-28 13:10:33,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:10:33,789 INFO L93 Difference]: Finished difference Result 251 states and 293 transitions. [2018-11-28 13:10:33,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:10:33,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 13:10:33,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:10:33,791 INFO L225 Difference]: With dead ends: 251 [2018-11-28 13:10:33,792 INFO L226 Difference]: Without dead ends: 147 [2018-11-28 13:10:33,793 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 13:10:33,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-28 13:10:33,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-28 13:10:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-28 13:10:33,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2018-11-28 13:10:33,807 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 53 [2018-11-28 13:10:33,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:10:33,807 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2018-11-28 13:10:33,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:10:33,807 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2018-11-28 13:10:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 13:10:33,809 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:10:33,809 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 13:10:33,809 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:10:33,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:33,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1460615264, now seen corresponding path program 1 times [2018-11-28 13:10:33,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:33,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:33,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:33,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:33,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:10:33,942 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 13:10:33,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:10:33,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:10:33,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:10:33,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:10:33,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:10:33,944 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 7 states. [2018-11-28 13:10:34,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:10:34,472 INFO L93 Difference]: Finished difference Result 449 states and 540 transitions. [2018-11-28 13:10:34,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:10:34,472 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 13:10:34,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:10:34,475 INFO L225 Difference]: With dead ends: 449 [2018-11-28 13:10:34,476 INFO L226 Difference]: Without dead ends: 326 [2018-11-28 13:10:34,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:10:34,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-11-28 13:10:34,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 314. [2018-11-28 13:10:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2018-11-28 13:10:34,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 377 transitions. [2018-11-28 13:10:34,512 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 377 transitions. Word has length 58 [2018-11-28 13:10:34,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:10:34,513 INFO L480 AbstractCegarLoop]: Abstraction has 314 states and 377 transitions. [2018-11-28 13:10:34,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:10:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 377 transitions. [2018-11-28 13:10:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 13:10:34,517 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:10:34,517 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 13:10:34,517 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:10:34,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:34,518 INFO L82 PathProgramCache]: Analyzing trace with hash -400451662, now seen corresponding path program 1 times [2018-11-28 13:10:34,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:34,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:34,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:34,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:34,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:10:34,623 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 13:10:34,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:10:34,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:10:34,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:10:34,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:10:34,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:10:34,625 INFO L87 Difference]: Start difference. First operand 314 states and 377 transitions. Second operand 6 states. [2018-11-28 13:10:34,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:10:34,931 INFO L93 Difference]: Finished difference Result 867 states and 1087 transitions. [2018-11-28 13:10:34,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:10:34,932 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-28 13:10:34,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:10:34,938 INFO L225 Difference]: With dead ends: 867 [2018-11-28 13:10:34,938 INFO L226 Difference]: Without dead ends: 577 [2018-11-28 13:10:34,941 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 13:10:34,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2018-11-28 13:10:34,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 571. [2018-11-28 13:10:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-11-28 13:10:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 694 transitions. [2018-11-28 13:10:34,995 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 694 transitions. Word has length 63 [2018-11-28 13:10:34,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:10:34,995 INFO L480 AbstractCegarLoop]: Abstraction has 571 states and 694 transitions. [2018-11-28 13:10:34,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:10:34,996 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 694 transitions. [2018-11-28 13:10:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 13:10:34,999 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:10:35,000 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 13:10:35,000 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:10:35,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:35,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1228523336, now seen corresponding path program 1 times [2018-11-28 13:10:35,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:35,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:35,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:35,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:35,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:10:35,073 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 13:10:35,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:10:35,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:10:35,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:10:35,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:10:35,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:10:35,074 INFO L87 Difference]: Start difference. First operand 571 states and 694 transitions. Second operand 4 states. [2018-11-28 13:10:35,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:10:35,413 INFO L93 Difference]: Finished difference Result 1397 states and 1810 transitions. [2018-11-28 13:10:35,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:10:35,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-11-28 13:10:35,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:10:35,423 INFO L225 Difference]: With dead ends: 1397 [2018-11-28 13:10:35,424 INFO L226 Difference]: Without dead ends: 850 [2018-11-28 13:10:35,426 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 [2018-11-28 13:10:35,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2018-11-28 13:10:35,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 753. [2018-11-28 13:10:35,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2018-11-28 13:10:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 909 transitions. [2018-11-28 13:10:35,482 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 909 transitions. Word has length 67 [2018-11-28 13:10:35,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:10:35,483 INFO L480 AbstractCegarLoop]: Abstraction has 753 states and 909 transitions. [2018-11-28 13:10:35,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:10:35,483 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 909 transitions. [2018-11-28 13:10:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 13:10:35,485 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:10:35,486 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 13:10:35,486 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:10:35,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:35,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1764882568, now seen corresponding path program 1 times [2018-11-28 13:10:35,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:35,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:35,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:35,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:35,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:35,599 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:10:35,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:10:35 BoogieIcfgContainer [2018-11-28 13:10:35,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:10:35,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:10:35,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:10:35,697 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:10:35,698 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:10:33" (3/4) ... [2018-11-28 13:10:35,701 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 13:10:35,808 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ef0a7215-39d3-4b18-b313-b0efed75741d/bin-2019/uautomizer/witness.graphml [2018-11-28 13:10:35,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:10:35,809 INFO L168 Benchmark]: Toolchain (without parser) took 3577.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -162.4 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:10:35,811 INFO L168 Benchmark]: CDTParser took 0.13 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 13:10:35,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:10:35,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:10:35,812 INFO L168 Benchmark]: Boogie Preprocessor took 37.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:10:35,812 INFO L168 Benchmark]: RCFGBuilder took 519.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:10:35,812 INFO L168 Benchmark]: TraceAbstraction took 2448.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -62.1 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:10:35,813 INFO L168 Benchmark]: Witness Printer took 112.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:10:35,815 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 428.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 519.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2448.41 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -62.1 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Witness Printer took 112.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 769]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L124] int pumpRunning = 0; [L125] int systemActive = 1; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L812] int waterLevel = 1; [L813] int methaneLevelCritical = 0; [L915] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=199, \old(head)=201, \old(head)=189, \old(methaneLevelCritical)=162, \old(pumpRunning)=149, \old(systemActive)=148, \old(waterLevel)=157, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L988] int retValue_acc ; [L989] 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] [L993] 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] [L994] 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] [L995] 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] [L803] int retValue_acc ; [L806] retValue_acc = 1 [L807] 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] [L995] 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] [L995] tmp = valid_product() [L997] 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] [L999] 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] [L1000] 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] [L982] 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] [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] 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] [L56] 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] [L58] 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] [L64] tmp = __VERIFIER_nondet_int() [L66] 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] [L68] 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] [L830] COND TRUE waterLevel < 2 [L831] 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] [L68] 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] [L74] tmp___0 = __VERIFIER_nondet_int() [L76] 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] [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___2)) [L92] tmp___1 = __VERIFIER_nondet_int() [L94] 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] [L96] 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] [L343] 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] [L350] 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] [L96] 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] [L103] 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] [L132] 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] [L139] 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] [L147] 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] [L366] int tmp ; [L367] int tmp___0 ; [L368] 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] [L372] 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] [L851] int retValue_acc ; [L854] retValue_acc = methaneLevelCritical [L855] 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] [L372] 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] [L372] tmp = isMethaneLevelCritical() [L374] 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] [L378] 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] [L883] int retValue_acc ; [L886] retValue_acc = waterLevel [L887] 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] [L378] 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] [L378] tmp___0 = getWaterLevel() [L380] 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] [L382] 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] [L257] int retValue_acc ; [L260] retValue_acc = pumpRunning [L261] 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] [L382] 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] [L382] tmp___1 = isPumpRunning() [L384] 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] [L388] 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] [L769] __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, 169 locations, 1 error locations. UNSAFE Result, 2.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 926 SDtfs, 642 SDslu, 1605 SDs, 0 SdLazy, 501 SolverSat, 133 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=753occurred 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, 0.3s 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...