./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f .................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 11:59:06,346 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:59:06,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:59:06,353 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:59:06,354 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:59:06,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:59:06,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:59:06,356 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:59:06,357 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:59:06,358 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:59:06,358 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:59:06,359 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:59:06,359 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:59:06,360 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:59:06,361 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:59:06,361 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:59:06,361 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:59:06,362 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:59:06,364 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:59:06,365 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:59:06,366 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:59:06,366 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:59:06,367 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:59:06,368 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:59:06,368 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:59:06,368 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:59:06,369 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:59:06,370 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:59:06,370 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:59:06,371 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:59:06,371 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:59:06,372 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:59:06,372 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:59:06,372 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:59:06,373 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:59:06,373 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:59:06,373 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:59:06,384 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:59:06,385 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:59:06,386 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:59:06,386 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:59:06,386 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:59:06,386 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:59:06,386 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:59:06,386 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:59:06,386 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:59:06,387 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:59:06,387 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:59:06,387 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:59:06,387 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:59:06,387 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:59:06,387 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:59:06,387 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:59:06,387 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:59:06,388 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:59:06,388 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:59:06,388 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:59:06,388 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:59:06,388 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:59:06,388 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:59:06,388 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:59:06,388 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:59:06,389 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:59:06,389 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:59:06,389 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:59:06,389 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:59:06,389 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:59:06,389 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:59:06,390 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:59:06,390 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_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2018-11-28 11:59:06,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:59:06,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:59:06,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:59:06,425 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:59:06,426 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:59:06,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-28 11:59:06,463 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/data/1684dae24/d201e2341c0c487a8b644101ab8d5433/FLAGa37361ec6 [2018-11-28 11:59:06,893 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:59:06,894 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-28 11:59:06,901 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/data/1684dae24/d201e2341c0c487a8b644101ab8d5433/FLAGa37361ec6 [2018-11-28 11:59:06,909 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/data/1684dae24/d201e2341c0c487a8b644101ab8d5433 [2018-11-28 11:59:06,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:59:06,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:59:06,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:59:06,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:59:06,915 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:59:06,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:06" (1/1) ... [2018-11-28 11:59:06,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7977baaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:06, skipping insertion in model container [2018-11-28 11:59:06,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:06" (1/1) ... [2018-11-28 11:59:06,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:59:06,951 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:59:07,139 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:59:07,190 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:59:07,244 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:59:07,265 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:59:07,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07 WrapperNode [2018-11-28 11:59:07,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:59:07,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:59:07,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:59:07,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:59:07,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (1/1) ... [2018-11-28 11:59:07,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (1/1) ... [2018-11-28 11:59:07,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:59:07,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:59:07,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:59:07,330 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:59:07,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (1/1) ... [2018-11-28 11:59:07,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (1/1) ... [2018-11-28 11:59:07,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (1/1) ... [2018-11-28 11:59:07,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (1/1) ... [2018-11-28 11:59:07,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (1/1) ... [2018-11-28 11:59:07,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (1/1) ... [2018-11-28 11:59:07,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (1/1) ... [2018-11-28 11:59:07,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:59:07,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:59:07,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:59:07,375 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:59:07,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/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 [2018-11-28 11:59:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:59:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:59:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:59:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:59:08,269 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:59:08,270 INFO L280 CfgBuilder]: Removed 350 assue(true) statements. [2018-11-28 11:59:08,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:08 BoogieIcfgContainer [2018-11-28 11:59:08,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:59:08,271 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:59:08,271 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:59:08,274 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:59:08,275 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:59:08,275 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:59:06" (1/3) ... [2018-11-28 11:59:08,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53c41a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:59:08, skipping insertion in model container [2018-11-28 11:59:08,276 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:59:08,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:07" (2/3) ... [2018-11-28 11:59:08,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53c41a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:59:08, skipping insertion in model container [2018-11-28 11:59:08,277 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:59:08,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:08" (3/3) ... [2018-11-28 11:59:08,278 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-28 11:59:08,318 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:59:08,319 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:59:08,319 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:59:08,319 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:59:08,319 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:59:08,319 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:59:08,319 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:59:08,319 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:59:08,319 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:59:08,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 226 states. [2018-11-28 11:59:08,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2018-11-28 11:59:08,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:59:08,359 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:59:08,366 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:59:08,366 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:59:08,366 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:59:08,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 226 states. [2018-11-28 11:59:08,369 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2018-11-28 11:59:08,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:59:08,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:59:08,370 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:59:08,370 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:59:08,374 INFO L794 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 6#L-1true havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 151#L584true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 171#L592true main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 209#L173true assume 0 != main_~tmp~1; 215#L145true ~methAndRunningLastTime~0 := 0; 74#L49true havoc test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 71#L60-1true [2018-11-28 11:59:08,374 INFO L796 eck$LassoCheckResult]: Loop: 71#L60-1true assume !false; 201#L608true assume test_~splverifierCounter~0 < 4; 27#L609true test_~tmp~5 := test_#t~nondet39;havoc test_#t~nondet39; 149#L617true assume !(0 != test_~tmp~5); 152#L617-1true test_~tmp___0~1 := test_#t~nondet40;havoc test_#t~nondet40; 81#L627true assume !(0 != test_~tmp___0~1); 84#L627-1true test_~tmp___2~0 := test_#t~nondet41;havoc test_#t~nondet41; 22#L637true assume 0 != test_~tmp___2~0; 5#L643-2true assume !(0 != ~pumpRunning~0); 185#L779true assume !(0 != ~systemActive~0); 12#L786true havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; 58#L710-5true __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 75#L60true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 71#L60-1true [2018-11-28 11:59:08,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:59:08,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 11:59:08,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:59:08,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:59:08,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:08,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:59:08,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:08,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:59:08,542 INFO L82 PathProgramCache]: Analyzing trace with hash 9156234, now seen corresponding path program 1 times [2018-11-28 11:59:08,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:59:08,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:59:08,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:08,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:59:08,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:08,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:59:08,555 INFO L82 PathProgramCache]: Analyzing trace with hash 842452740, now seen corresponding path program 1 times [2018-11-28 11:59:08,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:59:08,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:59:08,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:08,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:59:08,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:59:08,671 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 11:59:08,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:59:08,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:59:08,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:59:08,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:59:08,749 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 6 states. [2018-11-28 11:59:08,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:59:08,833 INFO L93 Difference]: Finished difference Result 226 states and 329 transitions. [2018-11-28 11:59:08,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:59:08,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 329 transitions. [2018-11-28 11:59:08,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2018-11-28 11:59:08,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 219 states and 322 transitions. [2018-11-28 11:59:08,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 219 [2018-11-28 11:59:08,847 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 219 [2018-11-28 11:59:08,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 219 states and 322 transitions. [2018-11-28 11:59:08,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:59:08,849 INFO L705 BuchiCegarLoop]: Abstraction has 219 states and 322 transitions. [2018-11-28 11:59:08,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states and 322 transitions. [2018-11-28 11:59:08,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-11-28 11:59:08,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-28 11:59:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 322 transitions. [2018-11-28 11:59:08,883 INFO L728 BuchiCegarLoop]: Abstraction has 219 states and 322 transitions. [2018-11-28 11:59:08,883 INFO L608 BuchiCegarLoop]: Abstraction has 219 states and 322 transitions. [2018-11-28 11:59:08,884 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:59:08,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 219 states and 322 transitions. [2018-11-28 11:59:08,886 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2018-11-28 11:59:08,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:59:08,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:59:08,887 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:59:08,887 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:59:08,887 INFO L794 eck$LassoCheckResult]: Stem: 576#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 477#L-1 havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 478#L584 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 660#L592 main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 671#L173 assume 0 != main_~tmp~1; 688#L145 ~methAndRunningLastTime~0 := 0; 590#L49 havoc test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 497#L60-1 [2018-11-28 11:59:08,887 INFO L796 eck$LassoCheckResult]: Loop: 497#L60-1 assume !false; 586#L608 assume test_~splverifierCounter~0 < 4; 520#L609 test_~tmp~5 := test_#t~nondet39;havoc test_#t~nondet39; 521#L617 assume !(0 != test_~tmp~5); 658#L617-1 test_~tmp___0~1 := test_#t~nondet40;havoc test_#t~nondet40; 596#L627 assume !(0 != test_~tmp___0~1); 517#L627-1 test_~tmp___2~0 := test_#t~nondet41;havoc test_#t~nondet41; 511#L637 assume 0 != test_~tmp___2~0; 474#L643-2 assume !(0 != ~pumpRunning~0); 475#L779 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~8;havoc processEnvironment_~tmp~8; 508#L863 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret54, processEnvironment__wrappee__methaneQuery_~tmp~7;havoc processEnvironment__wrappee__methaneQuery_~tmp~7; 509#L837-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 525#L811-3 assume !(0 == ~pumpRunning~0); 482#L786 havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; 492#L710-5 __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 573#L60 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 497#L60-1 [2018-11-28 11:59:08,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:59:08,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 11:59:08,888 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:59:08,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:59:08,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:08,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:59:08,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:08,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:59:08,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1236370745, now seen corresponding path program 1 times [2018-11-28 11:59:08,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:59:08,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:59:08,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:08,928 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:59:08,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:59:08,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:59:08,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:59:08,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:59:08,946 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 11:59:08,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:59:08,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:59:08,947 INFO L87 Difference]: Start difference. First operand 219 states and 322 transitions. cyclomatic complexity: 105 Second operand 3 states. [2018-11-28 11:59:09,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:59:09,066 INFO L93 Difference]: Finished difference Result 218 states and 304 transitions. [2018-11-28 11:59:09,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:59:09,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 304 transitions. [2018-11-28 11:59:09,070 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2018-11-28 11:59:09,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 218 states and 304 transitions. [2018-11-28 11:59:09,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 218 [2018-11-28 11:59:09,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 218 [2018-11-28 11:59:09,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 218 states and 304 transitions. [2018-11-28 11:59:09,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:59:09,074 INFO L705 BuchiCegarLoop]: Abstraction has 218 states and 304 transitions. [2018-11-28 11:59:09,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states and 304 transitions. [2018-11-28 11:59:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-11-28 11:59:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-28 11:59:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 304 transitions. [2018-11-28 11:59:09,082 INFO L728 BuchiCegarLoop]: Abstraction has 218 states and 304 transitions. [2018-11-28 11:59:09,082 INFO L608 BuchiCegarLoop]: Abstraction has 218 states and 304 transitions. [2018-11-28 11:59:09,082 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 11:59:09,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 304 transitions. [2018-11-28 11:59:09,084 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2018-11-28 11:59:09,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:59:09,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:59:09,085 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:59:09,085 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] [2018-11-28 11:59:09,088 INFO L794 eck$LassoCheckResult]: Stem: 1063#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 926#L-1 havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 927#L584 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 1002#L592 main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 1039#L173 assume 0 != main_~tmp~1; 1088#L145 ~methAndRunningLastTime~0 := 0; 1079#L49 havoc test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 943#L60-1 [2018-11-28 11:59:09,088 INFO L796 eck$LassoCheckResult]: Loop: 943#L60-1 assume !false; 1075#L608 assume test_~splverifierCounter~0 < 4; 995#L609 test_~tmp~5 := test_#t~nondet39;havoc test_#t~nondet39; 996#L617 assume !(0 != test_~tmp~5); 998#L617-1 test_~tmp___0~1 := test_#t~nondet40;havoc test_#t~nondet40; 1003#L627 assume !(0 != test_~tmp___0~1); 991#L627-1 test_~tmp___2~0 := test_#t~nondet41;havoc test_#t~nondet41; 975#L637 assume 0 != test_~tmp___2~0; 914#L643-2 assume !(0 != ~pumpRunning~0); 920#L779 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~8;havoc processEnvironment_~tmp~8; 971#L863 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret54, processEnvironment__wrappee__methaneQuery_~tmp~7;havoc processEnvironment__wrappee__methaneQuery_~tmp~7; 972#L837-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 1010#L811-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret74, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~10, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~10;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 967#L750-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 968#L755-3 isHighWaterLevel_#t~ret74 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~10 := isHighWaterLevel_#t~ret74;havoc isHighWaterLevel_#t~ret74; 986#L982-9 assume 0 != isHighWaterLevel_~tmp~10;isHighWaterLevel_~tmp___0~2 := 0; 1076#L982-11 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 1048#L988-3 processEnvironment__wrappee__highWaterSensor_#t~ret53 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret53;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53; 1021#L815-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6); 918#L786 havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;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; 939#L710-5 __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 1057#L60 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 943#L60-1 [2018-11-28 11:59:09,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:59:09,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-11-28 11:59:09,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:59:09,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:59:09,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:09,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:59:09,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:09,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:59:09,120 INFO L82 PathProgramCache]: Analyzing trace with hash -2082517261, now seen corresponding path program 1 times [2018-11-28 11:59:09,120 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:59:09,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:59:09,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:09,121 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:59:09,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:09,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:59:09,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1345265593, now seen corresponding path program 1 times [2018-11-28 11:59:09,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:59:09,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:59:09,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:09,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:59:09,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:59:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:59:13,809 WARN L180 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 11:59:16,005 WARN L180 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 11:59:16,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:59:16 BoogieIcfgContainer [2018-11-28 11:59:16,047 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:59:16,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:59:16,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:59:16,048 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:59:16,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:08" (3/4) ... [2018-11-28 11:59:16,051 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:59:16,089 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_82d82b51-657e-44a0-b5f5-3e8e6c3736cb/bin-2019/uautomizer/witness.graphml [2018-11-28 11:59:16,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:59:16,090 INFO L168 Benchmark]: Toolchain (without parser) took 9178.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 949.9 MB in the beginning and 869.7 MB in the end (delta: 80.2 MB). Peak memory consumption was 260.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:16,091 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:59:16,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:16,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.94 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:16,092 INFO L168 Benchmark]: Boogie Preprocessor took 44.25 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:16,092 INFO L168 Benchmark]: RCFGBuilder took 895.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:16,092 INFO L168 Benchmark]: BuchiAutomizer took 7776.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.2 MB). Free memory was 1.0 GB in the beginning and 869.7 MB in the end (delta: 152.7 MB). Peak memory consumption was 215.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:59:16,093 INFO L168 Benchmark]: Witness Printer took 41.90 ms. Allocated memory is still 1.2 GB. Free memory is still 869.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:59:16,095 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.94 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.25 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 895.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7776.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.2 MB). Free memory was 1.0 GB in the beginning and 869.7 MB in the end (delta: 152.7 MB). Peak memory consumption was 215.1 MB. Max. memory is 11.5 GB. * Witness Printer took 41.90 ms. Allocated memory is still 1.2 GB. Free memory is still 869.7 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 218 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.3s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 219 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 553 SDtfs, 1155 SDslu, 83 SDs, 0 SdLazy, 50 SolverSat, 36 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: 607]: 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, retValue_acc=0, NULL=0, NULL=31, NULL=24, NULL=0, NULL=0, NULL=29, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6473efd8=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54974192=0, NULL=0, NULL=0, tmp=0, NULL=36, NULL=0, tmp___1=0, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5189f84f=0, cleanupTimeShifts=4, NULL=16, NULL=18, NULL=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@204c4f33=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74e56c20=0, NULL=11, tmp=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32e75af2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62af9b24=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4649a2b4=0, NULL=0, systemActive=1, waterLevel=1, NULL=14, NULL=0, NULL=0, retValue_acc=0, \result=0, NULL=27, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, \result=0, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@523a620f=0, NULL=28, tmp=1, NULL=0, NULL=0, NULL=0, NULL=8, retValue_acc=1, \result=1, NULL=22, tmp___0=0, NULL=35, NULL=19, NULL=17, NULL=0, retValue_acc=0, NULL=0, tmp___2=56, NULL=15, tmp___0=0, NULL=20, tmp=1, splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35e4ace2=0, methAndRunningLastTime=0, \result=0, NULL=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@130378fc=0, NULL=12, head=0, NULL=0, NULL=23, NULL=0, NULL=33, tmp=0, tmp=0, NULL=0, NULL=0, NULL=0, tmp=0, NULL=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L43] int methAndRunningLastTime ; [L82] int cleanupTimeShifts = 4; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L667] int waterLevel = 1; [L668] int methaneLevelCritical = 0; [L772] int pumpRunning = 0; [L773] int systemActive = 1; [L164] int retValue_acc ; [L165] int tmp ; [L588] int retValue_acc ; [L591] retValue_acc = 1 [L592] return (retValue_acc); [L171] tmp = valid_product() [L173] COND TRUE \read(tmp) [L48] methAndRunningLastTime = 0 [L598] int splverifierCounter ; [L599] int tmp ; [L600] int tmp___0 ; [L601] int tmp___1 ; [L602] int tmp___2 ; [L605] splverifierCounter = 0 Loop: [L607] COND TRUE 1 [L609] COND TRUE splverifierCounter < 4 [L615] tmp = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp)) [L625] tmp___0 = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp___0)) [L635] tmp___2 = __VERIFIER_nondet_int() [L637] COND TRUE \read(tmp___2) [L779] COND FALSE !(\read(pumpRunning)) [L786] COND TRUE \read(systemActive) [L860] int tmp ; [L863] COND FALSE !(\read(pumpRunning)) [L834] int tmp ; [L837] COND FALSE !(\read(pumpRunning)) [L808] int tmp ; [L811] COND TRUE ! pumpRunning [L974] int retValue_acc ; [L975] int tmp ; [L976] int tmp___0 ; [L747] int retValue_acc ; [L750] COND TRUE waterLevel < 2 [L751] retValue_acc = 1 [L752] return (retValue_acc); [L980] tmp = isHighWaterSensorDry() [L982] COND TRUE \read(tmp) [L983] tmp___0 = 0 [L987] retValue_acc = tmp___0 [L988] return (retValue_acc); [L813] tmp = isHighWaterLevel() [L815] COND FALSE !(\read(tmp)) [L53] int tmp ; [L54] int tmp___0 ; [L706] int retValue_acc ; [L709] retValue_acc = methaneLevelCritical [L710] return (retValue_acc); [L58] tmp = isMethaneLevelCritical() [L60] COND FALSE !(\read(tmp)) [L76] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...