./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product09_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_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/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 f306469f6fc3f3c0759d128d38f84cc775adb88e ....................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:23:56,382 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:23:56,384 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:23:56,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:23:56,391 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:23:56,392 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:23:56,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:23:56,394 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:23:56,395 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:23:56,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:23:56,396 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:23:56,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:23:56,397 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:23:56,397 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:23:56,398 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:23:56,399 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:23:56,399 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:23:56,400 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:23:56,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:23:56,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:23:56,404 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:23:56,405 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:23:56,406 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:23:56,406 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:23:56,406 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:23:56,407 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:23:56,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:23:56,408 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:23:56,408 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:23:56,409 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:23:56,409 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:23:56,410 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:23:56,410 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:23:56,410 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:23:56,411 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:23:56,411 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:23:56,411 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:23:56,421 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:23:56,421 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:23:56,422 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:23:56,422 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:23:56,423 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:23:56,423 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:23:56,423 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:23:56,423 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:23:56,423 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:23:56,423 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:23:56,423 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:23:56,424 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:23:56,424 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:23:56,424 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:23:56,424 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:23:56,424 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:23:56,424 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:23:56,424 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:23:56,424 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:23:56,424 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:23:56,425 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:23:56,425 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:23:56,425 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:23:56,425 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:23:56,425 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:23:56,425 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:23:56,425 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:23:56,425 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:23:56,426 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:23:56,426 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:23:56,426 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:23:56,427 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:23:56,427 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_8208a738-abbc-4336-a74c-10de57dd5c76/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 -> f306469f6fc3f3c0759d128d38f84cc775adb88e [2018-11-18 15:23:56,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:23:56,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:23:56,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:23:56,461 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:23:56,461 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:23:56,462 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-11-18 15:23:56,497 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/data/919a8fcc4/30279ecf5e2d4dc3b6c19d9ebf7784fa/FLAGeb0929388 [2018-11-18 15:23:56,938 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:23:56,939 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/sv-benchmarks/c/product-lines/minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-11-18 15:23:56,948 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/data/919a8fcc4/30279ecf5e2d4dc3b6c19d9ebf7784fa/FLAGeb0929388 [2018-11-18 15:23:56,959 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/data/919a8fcc4/30279ecf5e2d4dc3b6c19d9ebf7784fa [2018-11-18 15:23:56,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:23:56,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:23:56,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:23:56,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:23:56,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:23:56,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:23:56" (1/1) ... [2018-11-18 15:23:56,968 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 03:23:56, skipping insertion in model container [2018-11-18 15:23:56,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:23:56" (1/1) ... [2018-11-18 15:23:56,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:23:57,005 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:23:57,191 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:23:57,201 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:23:57,293 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:23:57,311 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:23:57,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57 WrapperNode [2018-11-18 15:23:57,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:23:57,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:23:57,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:23:57,312 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:23:57,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (1/1) ... [2018-11-18 15:23:57,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (1/1) ... [2018-11-18 15:23:57,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:23:57,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:23:57,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:23:57,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:23:57,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (1/1) ... [2018-11-18 15:23:57,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (1/1) ... [2018-11-18 15:23:57,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (1/1) ... [2018-11-18 15:23:57,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (1/1) ... [2018-11-18 15:23:57,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (1/1) ... [2018-11-18 15:23:57,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (1/1) ... [2018-11-18 15:23:57,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (1/1) ... [2018-11-18 15:23:57,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:23:57,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:23:57,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:23:57,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:23:57,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/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 15:23:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:23:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:23:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:23:57,812 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:23:57,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:23:57 BoogieIcfgContainer [2018-11-18 15:23:57,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:23:57,813 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:23:57,813 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:23:57,815 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:23:57,816 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:23:57,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:23:56" (1/3) ... [2018-11-18 15:23:57,817 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b0ddd7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:23:57, skipping insertion in model container [2018-11-18 15:23:57,817 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:23:57,817 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:23:57" (2/3) ... [2018-11-18 15:23:57,817 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b0ddd7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:23:57, skipping insertion in model container [2018-11-18 15:23:57,817 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:23:57,817 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:23:57" (3/3) ... [2018-11-18 15:23:57,818 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product09_true-unreach-call_false-termination.cil.c [2018-11-18 15:23:57,853 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:23:57,854 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:23:57,854 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:23:57,854 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:23:57,854 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:23:57,854 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:23:57,854 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:23:57,854 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:23:57,854 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:23:57,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-18 15:23:57,884 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2018-11-18 15:23:57,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:23:57,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:23:57,891 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:23:57,892 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:23:57,892 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:23:57,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-11-18 15:23:57,895 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2018-11-18 15:23:57,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:23:57,895 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:23:57,896 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:23:57,896 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:23:57,901 INFO L794 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[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);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(13);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 110];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 44];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 80];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 117];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 109];#memory_int := #memory_int[#t~string48.base,4 + #t~string48.offset := 112];#memory_int := #memory_int[#t~string48.base,5 + #t~string48.offset := 58];#memory_int := #memory_int[#t~string48.base,6 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 110];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,3 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 41];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 32];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 10];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 15#L859true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 10#L852true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 21#L867true main_#t~ret59 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 14#L742true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 73#L715true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 65#L623true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 50#L429-3true [2018-11-18 15:23:57,901 INFO L796 eck$LassoCheckResult]: Loop: 50#L429-3true assume true; 44#L429-1true assume !false; 69#L430true assume test_~splverifierCounter~0 < 4; 19#L431true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 24#L439true assume !(0 != test_~tmp~3); 26#L439-2true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 4#L449true assume !(0 != test_~tmp___0~0); 7#L449-2true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 74#L459true assume 0 != test_~tmp___2~0; 35#L465-2true assume { :begin_inline_timeShift } true; 54#L499true assume !(0 != ~pumpRunning~0); 59#L499-2true assume !(0 != ~systemActive~0); 36#L506-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret57, __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 5#L800true __utac_acc__Specification2_spec__2_#t~ret57 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret57;havoc __utac_acc__Specification2_spec__2_#t~ret57; 63#L634true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 37#L634-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 20#L516true assume { :end_inline_timeShift } true; 50#L429-3true [2018-11-18 15:23:57,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:23:57,905 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 15:23:57,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:23:57,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:23:57,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:57,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:23:57,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:23:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:23:58,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:23:58,067 INFO L82 PathProgramCache]: Analyzing trace with hash 2054183163, now seen corresponding path program 1 times [2018-11-18 15:23:58,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:23:58,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:23:58,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:23:58,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:23:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:23:58,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:23:58,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1318241586, now seen corresponding path program 1 times [2018-11-18 15:23:58,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:23:58,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:23:58,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:23:58,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:23:58,227 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 15:23:58,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:23:58,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:23:58,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:23:58,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:23:58,339 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 6 states. [2018-11-18 15:23:58,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:23:58,476 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions. [2018-11-18 15:23:58,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:23:58,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 97 transitions. [2018-11-18 15:23:58,486 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2018-11-18 15:23:58,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 68 states and 87 transitions. [2018-11-18 15:23:58,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2018-11-18 15:23:58,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2018-11-18 15:23:58,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 87 transitions. [2018-11-18 15:23:58,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:23:58,492 INFO L705 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-11-18 15:23:58,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 87 transitions. [2018-11-18 15:23:58,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-18 15:23:58,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-18 15:23:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2018-11-18 15:23:58,517 INFO L728 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-11-18 15:23:58,517 INFO L608 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2018-11-18 15:23:58,517 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:23:58,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 87 transitions. [2018-11-18 15:23:58,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2018-11-18 15:23:58,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:23:58,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:23:58,519 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:23:58,519 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 15:23:58,519 INFO L794 eck$LassoCheckResult]: Stem: 211#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[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);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(13);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 79];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 110];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 102];#memory_int := #memory_int[#t~string46.base,3 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 44];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 80];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 117];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 109];#memory_int := #memory_int[#t~string48.base,4 + #t~string48.offset := 112];#memory_int := #memory_int[#t~string48.base,5 + #t~string48.offset := 58];#memory_int := #memory_int[#t~string48.base,6 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 79];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 110];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 79];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,2 + #t~string52.offset := 102];#memory_int := #memory_int[#t~string52.base,3 + #t~string52.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 41];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 32];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 10];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 188#L859 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 189#L852 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 190#L867 main_#t~ret59 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 195#L742 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 196#L715 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 241#L623 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 203#L429-3 [2018-11-18 15:23:58,519 INFO L796 eck$LassoCheckResult]: Loop: 203#L429-3 assume true; 223#L429-1 assume !false; 224#L430 assume test_~splverifierCounter~0 < 4; 200#L431 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 201#L439 assume !(0 != test_~tmp~3); 199#L439-2 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 177#L449 assume !(0 != test_~tmp___0~0); 179#L449-2 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 184#L459 assume 0 != test_~tmp___2~0; 214#L465-2 assume { :begin_inline_timeShift } true; 215#L499 assume !(0 != ~pumpRunning~0); 232#L499-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 207#L523 assume { :end_inline_processEnvironment } true; 208#L506-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret57, __utac_acc__Specification2_spec__2_#t~ret58, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 180#L800 __utac_acc__Specification2_spec__2_#t~ret57 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret57;havoc __utac_acc__Specification2_spec__2_#t~ret57; 181#L634 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 183#L634-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 202#L516 assume { :end_inline_timeShift } true; 203#L429-3 [2018-11-18 15:23:58,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:23:58,520 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 15:23:58,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:23:58,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:23:58,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:23:58,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:23:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:23:58,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:23:58,566 INFO L82 PathProgramCache]: Analyzing trace with hash -116930471, now seen corresponding path program 1 times [2018-11-18 15:23:58,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:23:58,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:23:58,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,567 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:23:58,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:23:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:23:58,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:23:58,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1456282878, now seen corresponding path program 1 times [2018-11-18 15:23:58,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:23:58,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:23:58,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:23:58,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:23:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:23:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:24:28,749 WARN L180 SmtUtils]: Spent 30.00 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 15:24:40,013 WARN L180 SmtUtils]: Spent 11.26 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 15:24:40,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:24:40 BoogieIcfgContainer [2018-11-18 15:24:40,075 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:24:40,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:24:40,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:24:40,075 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:24:40,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:23:57" (3/4) ... [2018-11-18 15:24:40,078 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:24:40,120 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8208a738-abbc-4336-a74c-10de57dd5c76/bin-2019/uautomizer/witness.graphml [2018-11-18 15:24:40,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:24:40,121 INFO L168 Benchmark]: Toolchain (without parser) took 43159.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 959.7 MB in the beginning and 824.9 MB in the end (delta: 134.7 MB). Peak memory consumption was 345.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:24:40,122 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:24:40,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:24:40,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:24:40,123 INFO L168 Benchmark]: Boogie Preprocessor took 20.61 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:24:40,123 INFO L168 Benchmark]: RCFGBuilder took 447.16 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:24:40,123 INFO L168 Benchmark]: BuchiAutomizer took 42261.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 830.1 MB in the end (delta: 235.5 MB). Peak memory consumption was 301.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:24:40,124 INFO L168 Benchmark]: Witness Printer took 45.40 ms. Allocated memory is still 1.2 GB. Free memory was 830.1 MB in the beginning and 824.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:24:40,126 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.61 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 447.16 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42261.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 830.1 MB in the end (delta: 235.5 MB). Peak memory consumption was 301.5 MB. Max. memory is 11.5 GB. * Witness Printer took 45.40 ms. Allocated memory is still 1.2 GB. Free memory was 830.1 MB in the beginning and 824.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 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 6 locations. The remainder module has 68 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.9s. 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 68 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 281 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 429]: 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, ",Meth:"=0, "Off"=0, "Off"=37, "On"=0, retValue_acc=0, "Env(Water:%i"=0, ",Meth:"=38, "Pump(System:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@512f347b=0, "\n"=34, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53e0b385=0, tmp=0, "CRIT"=0, ")"=0, "OK"=0, tmp___1=0, "__utac__get_this_argtype"=20, "__utac__get_this_arg"=24, "__utac__get_this_arg"=8, "libacc.c"=22, cleanupTimeShifts=4, "libacc.c"=18, "Pump(System:"=15, "On"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e155483=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1701d09a=161, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@151c4e12=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@184c4304=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, ")"=27, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "On"=16, ") "=0, tmp___0=0, "Off"=0, "On"=0, "\n"=0, \result=1, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, \result=0, "Off"=31, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, tmp=1, ",Pump:"=36, "OK"=39, retValue_acc=1, "Env(Water:%i"=35, "libacc.c"=26, tmp___2=161, tmp___0=0, "i > 0 && i <= this->argsCount"=19, splverifierCounter=0, methAndRunningLastTime=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7787dd3c=0, head=0, "libacc.c"=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=23, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=17, "libacc.c"=0, "libacc.c"=0, ") "=28, tmp=0, ",Pump:"=0, "CRIT"=29} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 429]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L346] FCALL "i > 0 && i <= this->argsCount" [L346] FCALL "libacc.c" [L347] FCALL "__utac__get_this_arg" [L353] FCALL "i > 0 && i <= this->argsCount" [L353] FCALL "libacc.c" [L354] FCALL "__utac__get_this_arg" [L392] FCALL "i > 0 && i <= this->argsCount" [L392] FCALL "libacc.c" [L393] FCALL "__utac__get_this_argtype" [L399] FCALL "i > 0 && i <= this->argsCount" [L399] FCALL "libacc.c" [L400] FCALL "__utac__get_this_argtype" [L585] FCALL "Pump(System:" [L589] FCALL "On" [L593] FCALL "Off" [L597] FCALL ",Pump:" [L601] FCALL "On" [L605] FCALL "Off" [L609] FCALL ") " [L611] FCALL "\n" [L809] FCALL "Env(Water:%i" [L810] FCALL ",Meth:" [L814] FCALL "CRIT" [L818] FCALL "OK" [L822] FCALL ")" [L491] int pumpRunning = 0; [L492] int systemActive = 1; [L617] int methAndRunningLastTime ; [L656] int cleanupTimeShifts = 4; [L757] int waterLevel = 1; [L758] int methaneLevelCritical = 0; [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L733] int retValue_acc ; [L734] int tmp ; [L738] FCALL select_helpers() [L739] FCALL select_features() [L740] CALL, EXPR valid_product() [L863] int retValue_acc ; [L866] retValue_acc = 1 [L867] RET return (retValue_acc); [L740] EXPR valid_product() [L740] tmp = valid_product() [L742] COND TRUE \read(tmp) [L744] FCALL setup() [L745] CALL runTest() [L723] CALL __utac_acc__Specification2_spec__1() [L622] RET methAndRunningLastTime = 0 [L723] __utac_acc__Specification2_spec__1() [L724] CALL test() [L420] int splverifierCounter ; [L421] int tmp ; [L422] int tmp___0 ; [L423] int tmp___1 ; [L424] int tmp___2 ; [L427] splverifierCounter = 0 Loop: [L429] COND TRUE 1 [L431] COND TRUE splverifierCounter < 4 [L437] tmp = __VERIFIER_nondet_int() [L439] COND FALSE !(\read(tmp)) [L447] tmp___0 = __VERIFIER_nondet_int() [L449] COND FALSE !(\read(tmp___0)) [L457] tmp___2 = __VERIFIER_nondet_int() [L459] COND TRUE \read(tmp___2) [L472] CALL timeShift() [L499] COND FALSE !(\read(pumpRunning)) [L506] COND TRUE \read(systemActive) [L508] FCALL processEnvironment() [L514] CALL __utac_acc__Specification2_spec__2() [L627] int tmp ; [L628] int tmp___0 ; [L632] CALL, EXPR isMethaneLevelCritical() [L796] int retValue_acc ; [L799] retValue_acc = methaneLevelCritical [L800] RET return (retValue_acc); [L632] EXPR isMethaneLevelCritical() [L632] tmp = isMethaneLevelCritical() [L634] COND FALSE !(\read(tmp)) [L650] RET methAndRunningLastTime = 0 [L514] RET __utac_acc__Specification2_spec__2() [L472] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...