./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/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 2ad80e2d7767134fb761a45d54a404219df99a16 ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 08:34:28,380 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,381 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:28,389 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:28,389 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:28,389 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:28,390 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:28,391 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:28,392 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:28,393 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:28,394 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:28,394 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:28,394 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:28,395 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:28,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:28,396 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:28,397 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:28,398 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:28,399 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:28,401 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:28,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:28,402 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:28,404 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:28,404 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:28,404 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:28,405 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:28,405 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:28,406 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:28,407 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:28,407 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:28,408 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:28,408 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:28,408 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:28,408 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:28,409 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:28,410 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:28,410 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:34:28,421 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:28,421 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:28,422 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:28,422 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:28,422 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:28,422 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:34:28,422 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:34:28,422 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:34:28,423 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:34:28,423 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:34:28,423 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:34:28,423 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:28,423 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:28,423 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:28,423 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:28,423 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:28,424 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:28,424 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:34:28,424 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:34:28,424 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:34:28,424 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:28,424 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:28,424 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:34:28,424 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:28,424 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:34:28,425 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:28,425 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:28,425 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:34:28,425 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:28,425 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:28,425 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:34:28,426 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:34:28,426 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_57fcb311-4507-4404-b7bc-6efeb8ffc42c/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 -> 2ad80e2d7767134fb761a45d54a404219df99a16 [2018-11-18 08:34:28,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:28,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:28,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:28,459 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:28,460 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:28,460 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:28,496 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/data/de24617dd/a52f1424cbf84668916220f63bf71070/FLAG086fe1e35 [2018-11-18 08:34:28,835 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:28,836 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/sv-benchmarks/c/product-lines/minepump_spec2_product06_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:28,844 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/data/de24617dd/a52f1424cbf84668916220f63bf71070/FLAG086fe1e35 [2018-11-18 08:34:28,853 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/data/de24617dd/a52f1424cbf84668916220f63bf71070 [2018-11-18 08:34:28,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:28,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:34:28,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:28,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:28,859 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:28,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:28" (1/1) ... [2018-11-18 08:34:28,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:28, skipping insertion in model container [2018-11-18 08:34:28,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:28" (1/1) ... [2018-11-18 08:34:28,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:28,896 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,094 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,103 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,212 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,232 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:34:29,233 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:34:29,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:34:29,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,279 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,306 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/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 [2018-11-18 08:34:29,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:34:29,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:29,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:29,821 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:29,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:29 BoogieIcfgContainer [2018-11-18 08:34:29,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:29,822 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:34:29,822 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:34:29,825 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:34:29,825 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:29,826 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:34:28" (1/3) ... [2018-11-18 08:34:29,827 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b3283f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,827 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:29,827 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:29,827 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b3283f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,828 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:34:29,828 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:29" (3/3) ... [2018-11-18 08:34:29,829 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product06_true-unreach-call_false-termination.cil.c [2018-11-18 08:34:29,872 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:29,872 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:34:29,872 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:34:29,873 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:34:29,873 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:29,873 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:29,873 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:34:29,873 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:29,873 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:34:29,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states. [2018-11-18 08:34:29,911 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-18 08:34:29,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:29,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:29,919 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:29,919 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:29,919 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:34:29,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states. [2018-11-18 08:34:29,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2018-11-18 08:34:29,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:29,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:29,926 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:29,926 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:29,932 INFO L794 eck$LassoCheckResult]: Stem: 82#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(13);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 44];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 77];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 101];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 116];#memory_int := #memory_int[#t~string26.base,4 + #t~string26.offset := 104];#memory_int := #memory_int[#t~string26.base,5 + #t~string26.offset := 58];#memory_int := #memory_int[#t~string26.base,6 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 67];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 82];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 73];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 84];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 79];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 75];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 41];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 19#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 22#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 58#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 16#L73true main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 73#L878true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 46#L854true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 6#L387true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 87#L93-3true [2018-11-18 08:34:29,932 INFO L796 eck$LassoCheckResult]: Loop: 87#L93-3true assume true; 90#L93-1true assume !false; 47#L94true assume test_~splverifierCounter~0 < 4; 33#L95true test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 32#L103true assume !(0 != test_~tmp~0); 30#L103-2true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 61#L113true assume !(0 != test_~tmp___0~0); 57#L113-2true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 96#L123true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 43#L295true assume { :end_inline_startSystem } true; 23#L131-2true assume { :begin_inline_timeShift } true; 74#L165true assume !(0 != ~pumpRunning~0); 86#L165-2true assume !(0 != ~systemActive~0); 35#L172-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 13#L343-1true __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; 5#L398true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 8#L398-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 67#L182true assume { :end_inline_timeShift } true; 87#L93-3true [2018-11-18 08:34:29,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:29,943 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 08:34:29,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:29,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:29,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:29,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:29,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,135 INFO L82 PathProgramCache]: Analyzing trace with hash 946525561, now seen corresponding path program 1 times [2018-11-18 08:34:30,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:30,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:34:30,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:30,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:30,194 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:34:30,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:30,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:30,205 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 3 states. [2018-11-18 08:34:30,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:30,241 INFO L93 Difference]: Finished difference Result 100 states and 126 transitions. [2018-11-18 08:34:30,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:30,243 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 126 transitions. [2018-11-18 08:34:30,246 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2018-11-18 08:34:30,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 90 states and 115 transitions. [2018-11-18 08:34:30,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2018-11-18 08:34:30,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 90 [2018-11-18 08:34:30,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 115 transitions. [2018-11-18 08:34:30,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:34:30,253 INFO L705 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2018-11-18 08:34:30,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 115 transitions. [2018-11-18 08:34:30,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-11-18 08:34:30,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-11-18 08:34:30,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2018-11-18 08:34:30,283 INFO L728 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2018-11-18 08:34:30,284 INFO L608 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2018-11-18 08:34:30,284 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:34:30,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2018-11-18 08:34:30,285 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2018-11-18 08:34:30,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:34:30,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:34:30,286 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:30,286 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] [2018-11-18 08:34:30,286 INFO L794 eck$LassoCheckResult]: Stem: 286#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(13);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string26.base,#t~string26.offset := 44];#memory_int := #memory_int[#t~string26.base,1 + #t~string26.offset := 77];#memory_int := #memory_int[#t~string26.base,2 + #t~string26.offset := 101];#memory_int := #memory_int[#t~string26.base,3 + #t~string26.offset := 116];#memory_int := #memory_int[#t~string26.base,4 + #t~string26.offset := 104];#memory_int := #memory_int[#t~string26.base,5 + #t~string26.offset := 58];#memory_int := #memory_int[#t~string26.base,6 + #t~string26.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 67];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 82];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 73];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 84];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 79];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 75];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 41];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 255#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 256#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 216#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 217#L73 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 254#L878 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 280#L854 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 229#L387 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 230#L93-3 [2018-11-18 08:34:30,286 INFO L796 eck$LassoCheckResult]: Loop: 230#L93-3 assume true; 290#L93-1 assume !false; 292#L94 assume test_~splverifierCounter~0 < 4; 284#L95 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 281#L103 assume !(0 != test_~tmp~0); 267#L103-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 234#L113 assume !(0 != test_~tmp___0~0); 212#L113-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 213#L123 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 295#L295 assume { :end_inline_startSystem } true; 261#L131-2 assume { :begin_inline_timeShift } true; 262#L165 assume !(0 != ~pumpRunning~0); 279#L165-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 218#L197 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 220#L189-1 assume { :end_inline_processEnvironment__wrappee__base } true; 276#L197-1 assume { :end_inline_processEnvironment } true; 277#L172-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret33, __utac_acc__Specification2_spec__2_#t~ret34, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 243#L343-1 __utac_acc__Specification2_spec__2_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret33;havoc __utac_acc__Specification2_spec__2_#t~ret33; 221#L398 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 222#L398-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 233#L182 assume { :end_inline_timeShift } true; 230#L93-3 [2018-11-18 08:34:30,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,287 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 08:34:30,287 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1822916417, now seen corresponding path program 1 times [2018-11-18 08:34:30,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,346 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:34:30,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:30,357 INFO L82 PathProgramCache]: Analyzing trace with hash 2070673782, now seen corresponding path program 1 times [2018-11-18 08:34:30,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:30,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:30,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:30,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:34:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:35:14,952 WARN L180 SmtUtils]: Spent 44.42 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 08:35:27,636 WARN L180 SmtUtils]: Spent 12.68 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 08:35:27,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:35:27 BoogieIcfgContainer [2018-11-18 08:35:27,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:35:27,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:35:27,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:35:27,700 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:35:27,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:29" (3/4) ... [2018-11-18 08:35:27,703 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:35:27,743 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_57fcb311-4507-4404-b7bc-6efeb8ffc42c/bin-2019/uautomizer/witness.graphml [2018-11-18 08:35:27,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:35:27,744 INFO L168 Benchmark]: Toolchain (without parser) took 58887.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -60.1 MB). Peak memory consumption was 97.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:27,744 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:35:27,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:27,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.53 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:27,745 INFO L168 Benchmark]: Boogie Preprocessor took 27.15 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:27,746 INFO L168 Benchmark]: RCFGBuilder took 515.60 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: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:27,747 INFO L168 Benchmark]: BuchiAutomizer took 57877.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.5 MB). Peak memory consumption was 193.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:27,747 INFO L168 Benchmark]: Witness Printer took 44.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:27,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.53 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.15 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 515.60 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: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 57877.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.5 MB). Peak memory consumption was 193.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 57.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 123 SDtfs, 121 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 93]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "On"=15, "__utac__get_this_arg"=23, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bb16389=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@293746b5=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27de4eaa=0, "libacc.c"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a63d354=0, retValue_acc=0, "__utac__get_this_argtype"=36, "i > 0 && i <= this->argsCount"=35, methaneLevelCritical=0, "Pump(System:"=16, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, tmp___1=0, "Pump(System:"=0, ") "=19, "CRIT"=28, cleanupTimeShifts=4, tmp=0, ",Pump:"=12, "i > 0 && i <= this->argsCount"=24, NULL=0, systemActive=1, waterLevel=1, ")"=0, "OK"=0, ",Pump:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cb36de1=0, "__utac__get_this_arg"=37, "Off"=0, "Off"=14, "On"=0, retValue_acc=0, "libacc.c"=0, tmp___0=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, \result=1, "Off"=11, head=0, pumpRunning=0, "libacc.c"=18, \result=0, "libacc.c"=39, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a6283a5=0, "Off"=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5eec29b4=0, "__utac__get_this_argtype"=40, "\n"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1919756d=0, retValue_acc=1, tmp___2=42, tmp___0=0, "OK"=27, ",Meth:"=29, splverifierCounter=0, methAndRunningLastTime=0, \result=0, tmp=0, head=0, ",Meth:"=0, "CRIT"=0, "Env(Water:%i"=31, "Env(Water:%i"=0, ") "=0, ")"=26, "On"=8, "\n"=0, "i > 0 && i <= this->argsCount"=38, "libacc.c"=22, tmp=0, "i > 0 && i <= this->argsCount"=20} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 93]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L259] FCALL "Pump(System:" [L263] FCALL "On" [L267] FCALL "Off" [L271] FCALL ",Pump:" [L275] FCALL "On" [L279] FCALL "Off" [L283] FCALL ") " [L285] FCALL "\n" [L352] FCALL "Env(Water:%i" [L353] FCALL ",Meth:" [L357] FCALL "CRIT" [L361] FCALL "OK" [L365] FCALL ")" [L717] FCALL "i > 0 && i <= this->argsCount" [L717] FCALL "libacc.c" [L718] FCALL "__utac__get_this_arg" [L724] FCALL "i > 0 && i <= this->argsCount" [L724] FCALL "libacc.c" [L725] FCALL "__utac__get_this_arg" [L763] FCALL "i > 0 && i <= this->argsCount" [L763] FCALL "libacc.c" [L764] FCALL "__utac__get_this_argtype" [L770] FCALL "i > 0 && i <= this->argsCount" [L770] FCALL "libacc.c" [L771] FCALL "__utac__get_this_argtype" [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L300] int waterLevel = 1; [L301] int methaneLevelCritical = 0; [L381] int methAndRunningLastTime ; [L795] int cleanupTimeShifts = 4; [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L869] int retValue_acc ; [L870] int tmp ; [L874] FCALL select_helpers() [L875] FCALL select_features() [L876] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L876] EXPR valid_product() [L876] tmp = valid_product() [L878] COND TRUE \read(tmp) [L880] FCALL setup() [L881] CALL runTest() [L862] CALL __utac_acc__Specification2_spec__1() [L386] RET methAndRunningLastTime = 0 [L862] __utac_acc__Specification2_spec__1() [L863] CALL test() [L84] int splverifierCounter ; [L85] int tmp ; [L86] int tmp___0 ; [L87] int tmp___1 ; [L88] int tmp___2 ; [L91] splverifierCounter = 0 Loop: [L93] COND TRUE 1 [L95] COND TRUE splverifierCounter < 4 [L101] tmp = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp)) [L111] tmp___0 = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp___0)) [L121] tmp___2 = __VERIFIER_nondet_int() [L123] COND TRUE \read(tmp___2) [L125] CALL startSystem() [L294] RET systemActive = 1 [L125] startSystem() [L138] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; [L197] COND FALSE !(\read(pumpRunning)) [L212] RET, FCALL processEnvironment__wrappee__base() [L174] processEnvironment() [L180] CALL __utac_acc__Specification2_spec__2() [L391] int tmp ; [L392] int tmp___0 ; [L396] CALL, EXPR isMethaneLevelCritical() [L339] int retValue_acc ; [L342] retValue_acc = methaneLevelCritical [L343] RET return (retValue_acc); [L396] EXPR isMethaneLevelCritical() [L396] tmp = isMethaneLevelCritical() [L398] COND FALSE !(\read(tmp)) [L414] RET methAndRunningLastTime = 0 [L180] RET __utac_acc__Specification2_spec__2() [L138] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...