./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58_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_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/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 99a0574ff0f23dd43b458f22f446fd063a15f78d ............................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:00:18,385 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:00:18,386 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:00:18,394 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:00:18,394 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:00:18,394 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:00:18,395 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:00:18,396 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:00:18,398 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:00:18,398 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:00:18,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:00:18,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:00:18,400 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:00:18,401 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:00:18,401 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:00:18,402 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:00:18,402 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:00:18,404 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:00:18,405 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:00:18,406 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:00:18,407 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:00:18,408 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:00:18,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:00:18,410 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:00:18,410 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:00:18,411 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:00:18,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:00:18,412 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:00:18,413 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:00:18,414 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:00:18,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:00:18,415 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:00:18,415 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:00:18,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:00:18,416 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:00:18,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:00:18,416 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:00:18,427 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:00:18,427 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:00:18,428 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:00:18,428 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:00:18,428 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:00:18,428 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:00:18,428 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:00:18,429 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:00:18,429 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:00:18,429 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:00:18,429 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:00:18,429 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:00:18,429 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:00:18,429 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:00:18,429 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:00:18,429 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:00:18,430 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:00:18,431 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:00:18,431 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:00:18,431 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:00:18,431 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:00:18,431 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:00:18,431 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:00:18,431 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:00:18,431 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:00:18,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:00:18,431 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:00:18,432 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:00:18,432 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:00:18,432 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:00:18,432 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:00:18,432 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:00:18,432 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_94af27ec-4553-4c7e-a3fe-634617eef73b/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 -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2018-11-28 12:00:18,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:00:18,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:00:18,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:00:18,465 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:00:18,465 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:00:18,466 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-28 12:00:18,503 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/data/cbcce73a9/f949131599e545138475d9d6e710c2b2/FLAG677d3ad73 [2018-11-28 12:00:18,842 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:00:18,843 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-28 12:00:18,851 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/data/cbcce73a9/f949131599e545138475d9d6e710c2b2/FLAG677d3ad73 [2018-11-28 12:00:18,861 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/data/cbcce73a9/f949131599e545138475d9d6e710c2b2 [2018-11-28 12:00:18,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:00:18,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:00:18,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:00:18,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:00:18,868 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:00:18,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:00:18" (1/1) ... [2018-11-28 12:00:18,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246385e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:18, skipping insertion in model container [2018-11-28 12:00:18,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:00:18" (1/1) ... [2018-11-28 12:00:18,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:00:18,904 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:00:19,084 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:00:19,143 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:00:19,188 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:00:19,204 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:00:19,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19 WrapperNode [2018-11-28 12:00:19,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:00:19,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:00:19,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:00:19,206 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:00:19,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (1/1) ... [2018-11-28 12:00:19,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (1/1) ... [2018-11-28 12:00:19,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:00:19,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:00:19,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:00:19,253 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:00:19,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (1/1) ... [2018-11-28 12:00:19,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (1/1) ... [2018-11-28 12:00:19,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (1/1) ... [2018-11-28 12:00:19,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (1/1) ... [2018-11-28 12:00:19,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (1/1) ... [2018-11-28 12:00:19,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (1/1) ... [2018-11-28 12:00:19,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (1/1) ... [2018-11-28 12:00:19,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:00:19,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:00:19,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:00:19,289 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:00:19,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/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 12:00:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:00:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:00:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:00:19,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:00:19,913 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:00:19,913 INFO L280 CfgBuilder]: Removed 194 assue(true) statements. [2018-11-28 12:00:19,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:19 BoogieIcfgContainer [2018-11-28 12:00:19,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:00:19,914 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:00:19,914 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:00:19,917 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:00:19,919 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:00:19,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:00:18" (1/3) ... [2018-11-28 12:00:19,920 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6012a12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:00:19, skipping insertion in model container [2018-11-28 12:00:19,920 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:00:19,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:19" (2/3) ... [2018-11-28 12:00:19,920 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6012a12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:00:19, skipping insertion in model container [2018-11-28 12:00:19,921 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:00:19,921 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:19" (3/3) ... [2018-11-28 12:00:19,922 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-28 12:00:19,967 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:00:19,967 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:00:19,967 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:00:19,967 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:00:19,968 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:00:19,968 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:00:19,968 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:00:19,968 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:00:19,968 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:00:19,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2018-11-28 12:00:19,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2018-11-28 12:00:19,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:00:19,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:00:20,006 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:00:20,006 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:00:20,006 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:00:20,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2018-11-28 12:00:20,011 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2018-11-28 12:00:20,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:00:20,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:00:20,012 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:00:20,012 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:00:20,016 INFO L794 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);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~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 4#L-1true havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 65#L678true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 73#L686true main_#t~ret47 := valid_product_#res;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 76#L642true assume 0 != main_~tmp~4; 43#L615true havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 33#L417-1true [2018-11-28 12:00:20,016 INFO L796 eck$LassoCheckResult]: Loop: 33#L417-1true assume !false; 94#L928true assume test_~splverifierCounter~0 < 4; 27#L929true test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; 39#L937true assume !(0 != test_~tmp~10); 41#L937-1true test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; 97#L947true assume !(0 != test_~tmp___0~3); 99#L947-1true test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 130#L957true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 3#L965-2true assume !(0 != ~pumpRunning~0); 131#L701true assume !(0 != ~systemActive~0); 71#L708true havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 90#L526true __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 28#L417true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 33#L417-1true [2018-11-28 12:00:20,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:20,021 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 12:00:20,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:20,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:20,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:20,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:20,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:20,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1678143613, now seen corresponding path program 1 times [2018-11-28 12:00:20,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:20,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:20,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:20,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:00:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:00:20,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:00:20,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:00:20,223 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:00:20,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:00:20,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:00:20,234 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2018-11-28 12:00:20,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:00:20,282 INFO L93 Difference]: Finished difference Result 132 states and 188 transitions. [2018-11-28 12:00:20,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:00:20,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 188 transitions. [2018-11-28 12:00:20,286 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2018-11-28 12:00:20,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 125 states and 180 transitions. [2018-11-28 12:00:20,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2018-11-28 12:00:20,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2018-11-28 12:00:20,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 180 transitions. [2018-11-28 12:00:20,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:00:20,294 INFO L705 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2018-11-28 12:00:20,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 180 transitions. [2018-11-28 12:00:20,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-11-28 12:00:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-28 12:00:20,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2018-11-28 12:00:20,322 INFO L728 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2018-11-28 12:00:20,322 INFO L608 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2018-11-28 12:00:20,322 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:00:20,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 180 transitions. [2018-11-28 12:00:20,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2018-11-28 12:00:20,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:00:20,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:00:20,324 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:00:20,324 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:00:20,324 INFO L794 eck$LassoCheckResult]: Stem: 394#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);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~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 276#L-1 havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 277#L678 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 363#L686 main_#t~ret47 := valid_product_#res;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 371#L642 assume 0 != main_~tmp~4; 335#L615 havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 318#L417-1 [2018-11-28 12:00:20,324 INFO L796 eck$LassoCheckResult]: Loop: 318#L417-1 assume !false; 321#L928 assume test_~splverifierCounter~0 < 4; 315#L929 test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; 316#L937 assume !(0 != test_~tmp~10); 329#L937-1 test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; 332#L947 assume !(0 != test_~tmp___0~3); 382#L947-1 test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 386#L957 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 273#L965-2 assume !(0 != ~pumpRunning~0); 274#L701 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 395#L759 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 360#L733-1 assume !(0 == ~pumpRunning~0); 356#L708 havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 370#L526 __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 317#L417 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 318#L417-1 [2018-11-28 12:00:20,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:20,325 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 12:00:20,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:20,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:20,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:20,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:20,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:20,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1068993908, now seen corresponding path program 1 times [2018-11-28 12:00:20,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:20,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:20,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,380 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:00:20,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:00:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:00:20,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:00:20,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:00:20,407 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:00:20,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:00:20,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:00:20,407 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-28 12:00:20,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:00:20,475 INFO L93 Difference]: Finished difference Result 166 states and 228 transitions. [2018-11-28 12:00:20,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:00:20,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 228 transitions. [2018-11-28 12:00:20,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2018-11-28 12:00:20,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 166 states and 228 transitions. [2018-11-28 12:00:20,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2018-11-28 12:00:20,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2018-11-28 12:00:20,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 166 states and 228 transitions. [2018-11-28 12:00:20,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:00:20,480 INFO L705 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2018-11-28 12:00:20,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states and 228 transitions. [2018-11-28 12:00:20,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-11-28 12:00:20,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-11-28 12:00:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 228 transitions. [2018-11-28 12:00:20,486 INFO L728 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2018-11-28 12:00:20,486 INFO L608 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2018-11-28 12:00:20,486 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:00:20,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 228 transitions. [2018-11-28 12:00:20,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2018-11-28 12:00:20,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:00:20,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:00:20,488 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:00:20,488 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] [2018-11-28 12:00:20,488 INFO L794 eck$LassoCheckResult]: Stem: 696#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);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~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 572#L-1 havoc main_#res;havoc main_#t~ret47, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 573#L678 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 660#L686 main_#t~ret47 := valid_product_#res;main_~tmp~4 := main_#t~ret47;havoc main_#t~ret47; 669#L642 assume 0 != main_~tmp~4; 633#L615 havoc test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 614#L417-1 [2018-11-28 12:00:20,489 INFO L796 eck$LassoCheckResult]: Loop: 614#L417-1 assume !false; 617#L928 assume test_~splverifierCounter~0 < 4; 611#L929 test_~tmp~10 := test_#t~nondet71;havoc test_#t~nondet71; 612#L937 assume !(0 != test_~tmp~10); 627#L937-1 test_~tmp___0~3 := test_#t~nondet72;havoc test_#t~nondet72; 630#L947 assume !(0 != test_~tmp___0~3); 684#L947-1 test_~tmp___2~0 := test_#t~nondet73;havoc test_#t~nondet73; 688#L957 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 570#L965-2 assume !(0 != ~pumpRunning~0); 571#L701 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 697#L759 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; 657#L733-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 658#L534-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 695#L539-1 isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; 645#L879-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; 646#L879-5 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 574#L885-1 processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; 575#L737-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); 667#L708 havoc __utac_acc__Specification4_spec__1_#t~ret35, __utac_acc__Specification4_spec__1_#t~ret36, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 668#L526 __utac_acc__Specification4_spec__1_#t~ret35 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret35;havoc __utac_acc__Specification4_spec__1_#t~ret35; 613#L417 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 614#L417-1 [2018-11-28 12:00:20,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:20,489 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 12:00:20,489 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:20,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:20,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:20,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:20,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:20,530 INFO L82 PathProgramCache]: Analyzing trace with hash 87587064, now seen corresponding path program 1 times [2018-11-28 12:00:20,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:20,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:20,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,531 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:00:20,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:20,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:00:20,542 INFO L82 PathProgramCache]: Analyzing trace with hash 543658258, now seen corresponding path program 1 times [2018-11-28 12:00:20,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:00:20,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:00:20,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:00:20,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:00:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:00:20,707 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-28 12:00:26,001 WARN L180 SmtUtils]: Spent 5.25 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 12:00:28,542 WARN L180 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 12:00:28,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:00:28 BoogieIcfgContainer [2018-11-28 12:00:28,583 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:00:28,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:00:28,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:00:28,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:00:28,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:19" (3/4) ... [2018-11-28 12:00:28,587 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:00:28,640 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94af27ec-4553-4c7e-a3fe-634617eef73b/bin-2019/uautomizer/witness.graphml [2018-11-28 12:00:28,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:00:28,641 INFO L168 Benchmark]: Toolchain (without parser) took 9777.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.7 MB). Free memory was 951.7 MB in the beginning and 966.3 MB in the end (delta: -14.6 MB). Peak memory consumption was 302.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:28,642 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-28 12:00:28,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:28,643 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.32 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:28,643 INFO L168 Benchmark]: Boogie Preprocessor took 36.02 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:28,643 INFO L168 Benchmark]: RCFGBuilder took 624.74 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: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:28,644 INFO L168 Benchmark]: BuchiAutomizer took 8669.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 973.9 MB in the end (delta: 73.9 MB). Peak memory consumption was 338.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:28,644 INFO L168 Benchmark]: Witness Printer took 56.83 ms. Allocated memory is still 1.3 GB. Free memory was 973.9 MB in the beginning and 966.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:00:28,648 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.32 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.02 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 624.74 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: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8669.21 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 973.9 MB in the end (delta: 73.9 MB). Peak memory consumption was 338.8 MB. Max. memory is 11.5 GB. * Witness Printer took 56.83 ms. Allocated memory is still 1.3 GB. Free memory was 973.9 MB in the beginning and 966.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. 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 3 locations. The remainder module has 166 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.3s. Construction of modules took 0.0s. 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 166 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 350 SDtfs, 313 SDslu, 66 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 927]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50848e5f=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=37, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9c457b2=0, NULL=0, NULL=0, retValue_acc=0, NULL=31, NULL=0, NULL=11, NULL=28, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fc5abc1=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b4f4e67=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e0ad054=0, NULL=0, NULL=0, NULL=34, tmp___1=0, NULL=36, NULL=8, NULL=16, tmp___0=0, NULL=22, cleanupTimeShifts=4, NULL=39, NULL=15, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=19, \result=0, NULL=18, NULL=0, NULL=17, NULL=0, NULL=0, \result=1, NULL=33, head=0, pumpRunning=0, \result=0, retValue_acc=1, NULL=35, tmp=1, NULL=0, NULL=27, NULL=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e5bf0c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49f8a79a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6efb9839=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63ea467a=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@568d5daa=0, NULL=29, retValue_acc=0, tmp=1, tmp=0, tmp___0=0, tmp=1, tmp___2=56, retValue_acc=1, NULL=12, splverifierCounter=0, head=0, NULL=0, NULL=20, tmp=0, NULL=26, NULL=0, NULL=38, NULL=0, NULL=0, NULL=23, NULL=24, NULL=14} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L451] int waterLevel = 1; [L452] int methaneLevelCritical = 0; [L554] int cleanupTimeShifts = 4; [L694] int pumpRunning = 0; [L695] int systemActive = 1; [L633] int retValue_acc ; [L634] int tmp ; [L682] int retValue_acc ; [L685] retValue_acc = 1 [L686] return (retValue_acc); [L640] tmp = valid_product() [L642] COND TRUE \read(tmp) [L918] int splverifierCounter ; [L919] int tmp ; [L920] int tmp___0 ; [L921] int tmp___1 ; [L922] int tmp___2 ; [L925] splverifierCounter = 0 Loop: [L927] COND TRUE 1 [L929] COND TRUE splverifierCounter < 4 [L935] tmp = __VERIFIER_nondet_int() [L937] COND FALSE !(\read(tmp)) [L945] tmp___0 = __VERIFIER_nondet_int() [L947] COND FALSE !(\read(tmp___0)) [L955] tmp___2 = __VERIFIER_nondet_int() [L957] COND TRUE \read(tmp___2) [L912] systemActive = 1 [L701] COND FALSE !(\read(pumpRunning)) [L708] COND TRUE \read(systemActive) [L756] int tmp ; [L759] COND FALSE !(\read(pumpRunning)) [L730] int tmp ; [L733] COND TRUE ! pumpRunning [L871] int retValue_acc ; [L872] int tmp ; [L873] int tmp___0 ; [L531] int retValue_acc ; [L534] COND TRUE waterLevel < 2 [L535] retValue_acc = 1 [L536] return (retValue_acc); [L877] tmp = isHighWaterSensorDry() [L879] COND TRUE \read(tmp) [L880] tmp___0 = 0 [L884] retValue_acc = tmp___0 [L885] return (retValue_acc); [L735] tmp = isHighWaterLevel() [L737] COND FALSE !(\read(tmp)) [L410] int tmp ; [L411] int tmp___0 ; [L522] int retValue_acc ; [L525] retValue_acc = waterLevel [L526] return (retValue_acc); [L415] tmp = getWaterLevel() [L417] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...