./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product55_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product55_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f98010979adc33ea49508c52e1057d4173359b78 ............................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:30:49,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:30:49,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:30:49,227 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:30:49,227 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:30:49,228 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:30:49,228 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:30:49,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:30:49,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:30:49,230 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:30:49,231 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:30:49,231 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:30:49,232 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:30:49,232 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:30:49,233 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:30:49,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:30:49,234 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:30:49,234 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:30:49,236 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:30:49,236 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:30:49,237 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:30:49,237 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:30:49,238 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:30:49,238 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:30:49,238 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:30:49,239 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:30:49,239 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:30:49,240 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:30:49,240 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:30:49,241 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:30:49,241 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:30:49,241 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:30:49,241 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:30:49,241 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:30:49,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:30:49,242 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:30:49,242 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 17:30:49,249 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:30:49,250 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:30:49,250 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:30:49,250 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:30:49,250 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 17:30:49,251 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 17:30:49,251 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 17:30:49,251 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 17:30:49,251 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 17:30:49,251 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 17:30:49,251 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 17:30:49,252 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:30:49,252 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:30:49,252 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 17:30:49,252 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:30:49,252 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:30:49,252 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:30:49,252 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 17:30:49,253 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 17:30:49,253 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 17:30:49,253 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:30:49,253 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:30:49,253 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 17:30:49,253 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:30:49,254 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 17:30:49,254 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:30:49,254 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:30:49,254 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 17:30:49,254 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:30:49,254 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 17:30:49,254 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 17:30:49,255 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 17:30:49,255 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/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(F end) ) 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 -> f98010979adc33ea49508c52e1057d4173359b78 [2018-12-08 17:30:49,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:30:49,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:30:49,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:30:49,286 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:30:49,286 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:30:49,286 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product55_false-unreach-call_false-termination.cil.c [2018-12-08 17:30:49,318 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/data/fc13ff9f7/98d2d0a181484d1f9b3e8feadf1deaa7/FLAG31eca1fe3 [2018-12-08 17:30:49,730 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:30:49,731 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/sv-benchmarks/c/product-lines/minepump_spec1_product55_false-unreach-call_false-termination.cil.c [2018-12-08 17:30:49,736 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/data/fc13ff9f7/98d2d0a181484d1f9b3e8feadf1deaa7/FLAG31eca1fe3 [2018-12-08 17:30:49,744 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/data/fc13ff9f7/98d2d0a181484d1f9b3e8feadf1deaa7 [2018-12-08 17:30:49,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:30:49,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:30:49,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:30:49,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:30:49,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:30:49,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:30:49" (1/1) ... [2018-12-08 17:30:49,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:49, skipping insertion in model container [2018-12-08 17:30:49,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:30:49" (1/1) ... [2018-12-08 17:30:49,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:30:49,783 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:30:49,938 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:30:49,985 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:30:50,044 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:30:50,063 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:30:50,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50 WrapperNode [2018-12-08 17:30:50,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:30:50,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:30:50,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:30:50,064 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:30:50,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (1/1) ... [2018-12-08 17:30:50,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (1/1) ... [2018-12-08 17:30:50,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:30:50,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:30:50,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:30:50,121 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:30:50,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (1/1) ... [2018-12-08 17:30:50,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (1/1) ... [2018-12-08 17:30:50,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (1/1) ... [2018-12-08 17:30:50,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (1/1) ... [2018-12-08 17:30:50,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (1/1) ... [2018-12-08 17:30:50,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (1/1) ... [2018-12-08 17:30:50,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (1/1) ... [2018-12-08 17:30:50,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:30:50,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:30:50,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:30:50,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:30:50,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 17:30:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:30:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 17:30:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:30:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:30:50,587 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:30:50,587 INFO L280 CfgBuilder]: Removed 280 assue(true) statements. [2018-12-08 17:30:50,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:30:50 BoogieIcfgContainer [2018-12-08 17:30:50,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:30:50,588 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 17:30:50,588 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 17:30:50,590 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 17:30:50,591 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 17:30:50,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 05:30:49" (1/3) ... [2018-12-08 17:30:50,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36413d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 05:30:50, skipping insertion in model container [2018-12-08 17:30:50,592 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 17:30:50,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:30:50" (2/3) ... [2018-12-08 17:30:50,592 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36413d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 05:30:50, skipping insertion in model container [2018-12-08 17:30:50,592 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 17:30:50,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:30:50" (3/3) ... [2018-12-08 17:30:50,593 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product55_false-unreach-call_false-termination.cil.c [2018-12-08 17:30:50,625 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 17:30:50,626 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 17:30:50,626 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 17:30:50,626 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 17:30:50,626 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:30:50,626 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:30:50,626 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 17:30:50,626 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:30:50,626 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 17:30:50,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2018-12-08 17:30:50,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-12-08 17:30:50,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 17:30:50,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 17:30:50,661 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 17:30:50,661 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:30:50,661 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 17:30:50,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2018-12-08 17:30:50,665 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2018-12-08 17:30:50,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 17:30:50,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 17:30:50,666 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 17:30:50,666 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:30:50,669 INFO L794 eck$LassoCheckResult]: Stem: 151#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25); 16#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; 21#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 15#L73true main_#t~ret37 := valid_product_#res;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; 53#L593true assume 0 != main_~tmp~6; 142#L570true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 54#L615-1true [2018-12-08 17:30:50,669 INFO L796 eck$LassoCheckResult]: Loop: 54#L615-1true assume !false; 105#L94true assume test_~splverifierCounter~0 < 4; 48#L95true test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 39#L103true assume !(0 != test_~tmp~0); 34#L103-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 131#L113true assume !(0 != test_~tmp___0~0); 129#L113-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 177#L123true assume 0 != test_~tmp___2~0; 168#L129-1true assume !(0 != ~pumpRunning~0); 179#L167true assume !(0 != ~systemActive~0); 122#L174true havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 4#L442-1true __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; 51#L615true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 54#L615-1true [2018-12-08 17:30:50,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:50,673 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-08 17:30:50,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:30:50,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:30:50,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:50,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:30:50,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:50,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:50,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1667892533, now seen corresponding path program 1 times [2018-12-08 17:30:50,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:30:50,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:30:50,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:50,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:30:50,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:50,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:50,801 INFO L82 PathProgramCache]: Analyzing trace with hash 46386405, now seen corresponding path program 1 times [2018-12-08 17:30:50,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:30:50,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:30:50,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:50,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:30:50,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:30:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:30:50,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:30:50,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:30:50,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:30:50,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:30:50,938 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 6 states. [2018-12-08 17:30:51,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:30:51,049 INFO L93 Difference]: Finished difference Result 420 states and 618 transitions. [2018-12-08 17:30:51,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 17:30:51,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 420 states and 618 transitions. [2018-12-08 17:30:51,056 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 273 [2018-12-08 17:30:51,061 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 420 states to 399 states and 597 transitions. [2018-12-08 17:30:51,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 399 [2018-12-08 17:30:51,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 399 [2018-12-08 17:30:51,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 399 states and 597 transitions. [2018-12-08 17:30:51,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 17:30:51,064 INFO L705 BuchiCegarLoop]: Abstraction has 399 states and 597 transitions. [2018-12-08 17:30:51,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states and 597 transitions. [2018-12-08 17:30:51,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 222. [2018-12-08 17:30:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-12-08 17:30:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 330 transitions. [2018-12-08 17:30:51,091 INFO L728 BuchiCegarLoop]: Abstraction has 222 states and 330 transitions. [2018-12-08 17:30:51,091 INFO L608 BuchiCegarLoop]: Abstraction has 222 states and 330 transitions. [2018-12-08 17:30:51,091 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 17:30:51,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 330 transitions. [2018-12-08 17:30:51,093 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2018-12-08 17:30:51,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 17:30:51,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 17:30:51,093 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 17:30:51,094 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:30:51,094 INFO L794 eck$LassoCheckResult]: Stem: 803#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25); 651#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; 652#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 649#L73 main_#t~ret37 := valid_product_#res;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; 650#L593 assume 0 != main_~tmp~6; 710#L570 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 706#L615-1 [2018-12-08 17:30:51,094 INFO L796 eck$LassoCheckResult]: Loop: 706#L615-1 assume !false; 711#L94 assume test_~splverifierCounter~0 < 4; 702#L95 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 690#L103 assume !(0 != test_~tmp~0); 681#L103-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 682#L113 assume !(0 != test_~tmp___0~0); 793#L113-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 794#L123 assume 0 != test_~tmp___2~0; 805#L129-1 assume !(0 != ~pumpRunning~0); 800#L167 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 766#L251 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 767#L225-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 759#L199-3 assume !(0 == ~pumpRunning~0); 654#L174 havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 628#L442-1 __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; 629#L615 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 706#L615-1 [2018-12-08 17:30:51,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:51,094 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-08 17:30:51,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:30:51,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:30:51,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:51,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:30:51,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:51,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:51,124 INFO L82 PathProgramCache]: Analyzing trace with hash -2101003018, now seen corresponding path program 1 times [2018-12-08 17:30:51,124 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:30:51,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:30:51,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:51,125 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 17:30:51,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:30:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:30:51,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:30:51,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:30:51,135 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-08 17:30:51,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:30:51,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:30:51,135 INFO L87 Difference]: Start difference. First operand 222 states and 330 transitions. cyclomatic complexity: 111 Second operand 3 states. [2018-12-08 17:30:51,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:30:51,208 INFO L93 Difference]: Finished difference Result 225 states and 310 transitions. [2018-12-08 17:30:51,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:30:51,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 310 transitions. [2018-12-08 17:30:51,209 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 158 [2018-12-08 17:30:51,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 225 states and 310 transitions. [2018-12-08 17:30:51,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 225 [2018-12-08 17:30:51,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 225 [2018-12-08 17:30:51,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 225 states and 310 transitions. [2018-12-08 17:30:51,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 17:30:51,212 INFO L705 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2018-12-08 17:30:51,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states and 310 transitions. [2018-12-08 17:30:51,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-12-08 17:30:51,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-12-08 17:30:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 310 transitions. [2018-12-08 17:30:51,217 INFO L728 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2018-12-08 17:30:51,217 INFO L608 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2018-12-08 17:30:51,217 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-08 17:30:51,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 310 transitions. [2018-12-08 17:30:51,218 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 158 [2018-12-08 17:30:51,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 17:30:51,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 17:30:51,218 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 17:30:51,218 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:30:51,219 INFO L794 eck$LassoCheckResult]: Stem: 1231#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string28.base, #t~string28.offset := #Ultimate.alloc(13);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25); 1100#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; 1101#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1095#L73 main_#t~ret37 := valid_product_#res;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; 1096#L593 assume 0 != main_~tmp~6; 1147#L570 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1150#L615-1 [2018-12-08 17:30:51,219 INFO L796 eck$LassoCheckResult]: Loop: 1150#L615-1 assume !false; 1151#L94 assume test_~splverifierCounter~0 < 4; 1293#L95 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 1303#L103 assume !(0 != test_~tmp~0); 1301#L103-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 1300#L113 assume !(0 != test_~tmp___0~0); 1298#L113-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 1238#L123 assume 0 != test_~tmp___2~0; 1234#L129-1 assume !(0 != ~pumpRunning~0); 1235#L167 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1190#L251 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 1191#L225-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1183#L199-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1184#L482-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1229#L487-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 1158#L353-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1159#L353-11 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 1115#L359-3 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 1116#L203-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 1098#L174 havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1295#L442-1 __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; 1294#L615 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 1150#L615-1 [2018-12-08 17:30:51,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:51,219 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-08 17:30:51,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:30:51,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:30:51,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:51,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:30:51,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:51,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:51,243 INFO L82 PathProgramCache]: Analyzing trace with hash 2033396642, now seen corresponding path program 1 times [2018-12-08 17:30:51,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:30:51,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:30:51,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:51,244 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 17:30:51,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:51,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:51,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1008265528, now seen corresponding path program 1 times [2018-12-08 17:30:51,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:30:51,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:30:51,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:51,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:30:51,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:30:55,474 WARN L180 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-08 17:30:57,489 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-08 17:30:57,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 05:30:57 BoogieIcfgContainer [2018-12-08 17:30:57,521 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 17:30:57,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:30:57,521 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:30:57,521 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:30:57,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:30:50" (3/4) ... [2018-12-08 17:30:57,523 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-08 17:30:57,553 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_26aca6c9-8829-45fc-bfba-06c9b06d5e3d/bin-2019/uautomizer/witness.graphml [2018-12-08 17:30:57,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:30:57,554 INFO L168 Benchmark]: Toolchain (without parser) took 7807.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.7 MB in the beginning and 879.1 MB in the end (delta: 72.6 MB). Peak memory consumption was 224.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:30:57,554 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:30:57,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:30:57,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:30:57,555 INFO L168 Benchmark]: Boogie Preprocessor took 28.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:30:57,556 INFO L168 Benchmark]: RCFGBuilder took 437.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.9 MB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:30:57,556 INFO L168 Benchmark]: BuchiAutomizer took 6932.70 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 999.9 MB in the beginning and 879.1 MB in the end (delta: 120.8 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:30:57,556 INFO L168 Benchmark]: Witness Printer took 32.46 ms. Allocated memory is still 1.2 GB. Free memory is still 879.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:30:57,558 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 437.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 999.9 MB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6932.70 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 999.9 MB in the beginning and 879.1 MB in the end (delta: 120.8 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. * Witness Printer took 32.46 ms. Allocated memory is still 1.2 GB. Free memory is still 879.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 225 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 177 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 225 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 477 SDtfs, 1215 SDslu, 1130 SDs, 0 SdLazy, 85 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 93]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=35, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19a02cf8=0, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f56410e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4359c52=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30e7cf77=0, NULL=0, NULL=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30fcef12=0, NULL=22, methaneLevelCritical=0, tmp=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, NULL=34, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d80b254=0, tmp___1=0, NULL=16, NULL=23, NULL=38, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e1b4cee=0, tmp=0, NULL=14, tmp___0=0, NULL=26, NULL=0, systemActive=1, waterLevel=1, NULL=11, NULL=0, NULL=0, NULL=0, NULL=19, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@204db02e=0, NULL=15, \result=0, NULL=0, tmp___0=0, NULL=17, NULL=0, retValue_acc=0, \result=1, NULL=29, head=0, pumpRunning=0, retValue_acc=1, \result=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, \result=1, NULL=39, NULL=28, NULL=27, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@427dc830=0, retValue_acc=1, tmp___2=56, NULL=12, splverifierCounter=0, NULL=0, \result=0, NULL=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fecd46c=0, NULL=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37c05c45=0, tmp=0, head=0, NULL=0, NULL=31, NULL=0, NULL=0, NULL=36, NULL=18, NULL=0, NULL=24} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L159] int pumpRunning = 0; [L160] int systemActive = 1; [L399] int waterLevel = 1; [L400] int methaneLevelCritical = 0; [L511] int cleanupTimeShifts = 4; [L802] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L584] int retValue_acc ; [L585] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L591] tmp = valid_product() [L593] COND TRUE \read(tmp) [L84] int splverifierCounter ; [L85] int tmp ; [L86] int tmp___0 ; [L87] int tmp___1 ; [L88] int tmp___2 ; [L91] splverifierCounter = 0 Loop: [L93] COND TRUE 1 [L95] COND TRUE splverifierCounter < 4 [L101] tmp = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp)) [L111] tmp___0 = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp___0)) [L121] tmp___2 = __VERIFIER_nondet_int() [L123] COND TRUE \read(tmp___2) [L167] COND FALSE !(\read(pumpRunning)) [L174] COND TRUE \read(systemActive) [L248] int tmp ; [L251] COND FALSE !(\read(pumpRunning)) [L222] int tmp ; [L225] COND FALSE !(\read(pumpRunning)) [L196] int tmp ; [L199] COND TRUE ! pumpRunning [L345] int retValue_acc ; [L346] int tmp ; [L347] int tmp___0 ; [L479] int retValue_acc ; [L482] COND TRUE waterLevel < 2 [L483] retValue_acc = 1 [L484] return (retValue_acc); [L351] tmp = isHighWaterSensorDry() [L353] COND TRUE \read(tmp) [L354] tmp___0 = 0 [L358] retValue_acc = tmp___0 [L359] return (retValue_acc); [L201] tmp = isHighWaterLevel() [L203] COND FALSE !(\read(tmp)) [L608] int tmp ; [L609] int tmp___0 ; [L438] int retValue_acc ; [L441] retValue_acc = methaneLevelCritical [L442] return (retValue_acc); [L613] tmp = isMethaneLevelCritical() [L615] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...