./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product25_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product25_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/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 87372a1a98819a475f7685500d732b7a3f8e7449 ......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:47:20,389 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:47:20,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:47:20,398 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:47:20,398 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:47:20,399 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:47:20,400 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:47:20,401 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:47:20,402 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:47:20,403 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:47:20,404 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:47:20,404 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:47:20,405 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:47:20,406 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:47:20,407 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:47:20,407 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:47:20,408 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:47:20,409 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:47:20,411 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:47:20,412 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:47:20,413 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:47:20,413 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:47:20,415 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:47:20,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:47:20,416 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:47:20,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:47:20,417 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:47:20,418 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:47:20,418 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:47:20,419 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:47:20,419 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:47:20,420 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:47:20,420 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:47:20,420 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:47:20,421 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:47:20,421 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:47:20,421 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:47:20,433 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:47:20,433 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:47:20,434 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:47:20,434 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:47:20,435 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:47:20,435 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:47:20,435 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:47:20,435 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:47:20,435 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:47:20,435 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:47:20,436 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:47:20,436 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:47:20,436 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:47:20,436 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:47:20,436 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:47:20,436 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:47:20,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:47:20,437 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:47:20,437 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:47:20,437 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:47:20,437 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:47:20,437 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:47:20,438 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:47:20,438 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:47:20,438 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:47:20,438 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:47:20,438 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:47:20,438 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:47:20,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:47:20,439 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:47:20,439 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:47:20,440 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:47:20,440 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_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/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 -> 87372a1a98819a475f7685500d732b7a3f8e7449 [2018-11-28 12:47:20,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:47:20,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:47:20,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:47:20,479 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:47:20,479 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:47:20,479 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product25_false-unreach-call_false-termination.cil.c [2018-11-28 12:47:20,523 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/data/c641c103d/eda47c7ad5454a98a07fd004b8fffc53/FLAGc5bae166a [2018-11-28 12:47:20,957 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:47:20,957 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/sv-benchmarks/c/product-lines/minepump_spec3_product25_false-unreach-call_false-termination.cil.c [2018-11-28 12:47:20,963 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/data/c641c103d/eda47c7ad5454a98a07fd004b8fffc53/FLAGc5bae166a [2018-11-28 12:47:20,972 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/data/c641c103d/eda47c7ad5454a98a07fd004b8fffc53 [2018-11-28 12:47:20,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:47:20,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:47:20,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:47:20,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:47:20,978 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:47:20,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:47:20" (1/1) ... [2018-11-28 12:47:20,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7130717e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:20, skipping insertion in model container [2018-11-28 12:47:20,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:47:20" (1/1) ... [2018-11-28 12:47:20,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:47:21,012 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:47:21,186 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:47:21,197 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:47:21,293 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:47:21,313 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:47:21,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21 WrapperNode [2018-11-28 12:47:21,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:47:21,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:47:21,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:47:21,314 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:47:21,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (1/1) ... [2018-11-28 12:47:21,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (1/1) ... [2018-11-28 12:47:21,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:47:21,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:47:21,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:47:21,356 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:47:21,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (1/1) ... [2018-11-28 12:47:21,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (1/1) ... [2018-11-28 12:47:21,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (1/1) ... [2018-11-28 12:47:21,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (1/1) ... [2018-11-28 12:47:21,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (1/1) ... [2018-11-28 12:47:21,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (1/1) ... [2018-11-28 12:47:21,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (1/1) ... [2018-11-28 12:47:21,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:47:21,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:47:21,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:47:21,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:47:21,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:47:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:47:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:47:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:47:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:47:21,907 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:47:21,907 INFO L280 CfgBuilder]: Removed 102 assue(true) statements. [2018-11-28 12:47:21,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:47:21 BoogieIcfgContainer [2018-11-28 12:47:21,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:47:21,908 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:47:21,909 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:47:21,912 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:47:21,913 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:47:21,913 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:47:20" (1/3) ... [2018-11-28 12:47:21,914 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9652401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:47:21, skipping insertion in model container [2018-11-28 12:47:21,914 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:47:21,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:47:21" (2/3) ... [2018-11-28 12:47:21,914 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9652401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:47:21, skipping insertion in model container [2018-11-28 12:47:21,914 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:47:21,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:47:21" (3/3) ... [2018-11-28 12:47:21,917 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product25_false-unreach-call_false-termination.cil.c [2018-11-28 12:47:21,963 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:47:21,963 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:47:21,964 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:47:21,964 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:47:21,964 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:47:21,964 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:47:21,964 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:47:21,964 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:47:21,964 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:47:21,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-28 12:47:21,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-28 12:47:21,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:47:21,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:47:22,000 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:47:22,000 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:47:22,000 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:47:22,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-28 12:47:22,003 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-28 12:47:22,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:47:22,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:47:22,003 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:47:22,003 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:47:22,007 INFO L794 eck$LassoCheckResult]: Stem: 28#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 6#L-1true havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 58#L572true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 63#L580true main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 26#L670true assume 0 != main_~tmp~4; 77#L646true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 15#L59-1true [2018-11-28 12:47:22,007 INFO L796 eck$LassoCheckResult]: Loop: 15#L59-1true assume !false; 16#L867true assume test_~splverifierCounter~0 < 4; 39#L868true test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 65#L876true assume !(0 != test_~tmp~8); 67#L876-1true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 49#L886true assume !(0 != test_~tmp___0~2); 51#L886-1true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 22#L896true assume 0 != test_~tmp___2~0; 64#L902-2true assume !(0 != ~pumpRunning~0); 68#L693true assume !(0 != ~systemActive~0); 59#L700true havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 23#L501true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 70#L53true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 15#L59-1true [2018-11-28 12:47:22,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:22,012 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 12:47:22,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:22,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:22,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:22,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:22,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683787, now seen corresponding path program 1 times [2018-11-28 12:47:22,169 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:22,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:22,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:22,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:22,178 INFO L82 PathProgramCache]: Analyzing trace with hash 32595151, now seen corresponding path program 1 times [2018-11-28 12:47:22,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:22,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:22,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:22,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:47:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:47:22,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:47:22,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:47:22,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:47:22,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:47:22,415 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states. [2018-11-28 12:47:22,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:47:22,509 INFO L93 Difference]: Finished difference Result 78 states and 106 transitions. [2018-11-28 12:47:22,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:47:22,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 106 transitions. [2018-11-28 12:47:22,515 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 12:47:22,521 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 99 transitions. [2018-11-28 12:47:22,522 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2018-11-28 12:47:22,523 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2018-11-28 12:47:22,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 99 transitions. [2018-11-28 12:47:22,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:47:22,524 INFO L705 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-11-28 12:47:22,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 99 transitions. [2018-11-28 12:47:22,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-11-28 12:47:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-11-28 12:47:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2018-11-28 12:47:22,551 INFO L728 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-11-28 12:47:22,551 INFO L608 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-11-28 12:47:22,551 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:47:22,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 99 transitions. [2018-11-28 12:47:22,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 12:47:22,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:47:22,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:47:22,553 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:47:22,553 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:47:22,553 INFO L794 eck$LassoCheckResult]: Stem: 222#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 180#L-1 havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 181#L572 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 244#L580 main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 215#L670 assume 0 != main_~tmp~4; 216#L646 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 193#L59-1 [2018-11-28 12:47:22,554 INFO L796 eck$LassoCheckResult]: Loop: 193#L59-1 assume !false; 194#L867 assume test_~splverifierCounter~0 < 4; 195#L868 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 229#L876 assume !(0 != test_~tmp~8); 226#L876-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 237#L886 assume !(0 != test_~tmp___0~2); 238#L886-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 205#L896 assume 0 != test_~tmp___2~0; 206#L902-2 assume !(0 != ~pumpRunning~0); 191#L693 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 241#L725 assume !(0 != ~pumpRunning~0); 233#L700 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 208#L501 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 209#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 193#L59-1 [2018-11-28 12:47:22,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:22,554 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 12:47:22,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:22,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:22,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:22,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:22,605 INFO L82 PathProgramCache]: Analyzing trace with hash -619582386, now seen corresponding path program 1 times [2018-11-28 12:47:22,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:22,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:22,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,606 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:47:22,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:22,614 INFO L82 PathProgramCache]: Analyzing trace with hash 983457140, now seen corresponding path program 1 times [2018-11-28 12:47:22,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:22,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:22,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:22,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:47:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:47:22,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:47:22,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:47:22,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:47:22,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:47:22,740 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. cyclomatic complexity: 30 Second operand 5 states. [2018-11-28 12:47:22,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:47:22,854 INFO L93 Difference]: Finished difference Result 241 states and 345 transitions. [2018-11-28 12:47:22,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:47:22,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 345 transitions. [2018-11-28 12:47:22,860 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2018-11-28 12:47:22,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 345 transitions. [2018-11-28 12:47:22,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2018-11-28 12:47:22,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2018-11-28 12:47:22,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 345 transitions. [2018-11-28 12:47:22,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:47:22,866 INFO L705 BuchiCegarLoop]: Abstraction has 241 states and 345 transitions. [2018-11-28 12:47:22,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 345 transitions. [2018-11-28 12:47:22,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 136. [2018-11-28 12:47:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-28 12:47:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 188 transitions. [2018-11-28 12:47:22,878 INFO L728 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2018-11-28 12:47:22,879 INFO L608 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2018-11-28 12:47:22,879 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:47:22,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 188 transitions. [2018-11-28 12:47:22,881 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2018-11-28 12:47:22,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:47:22,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:47:22,885 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:47:22,885 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:47:22,886 INFO L794 eck$LassoCheckResult]: Stem: 548#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1); 510#L-1 havoc main_#res;havoc main_#t~ret49, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 511#L572 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 578#L580 main_#t~ret49 := valid_product_#res;main_~tmp~4 := main_#t~ret49;havoc main_#t~ret49; 545#L670 assume 0 != main_~tmp~4; 546#L646 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 523#L59-1 [2018-11-28 12:47:22,886 INFO L796 eck$LassoCheckResult]: Loop: 523#L59-1 assume !false; 524#L867 assume test_~splverifierCounter~0 < 4; 525#L868 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 560#L876 assume !(0 != test_~tmp~8); 619#L876-1 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 618#L886 assume !(0 != test_~tmp___0~2); 617#L886-1 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 616#L896 assume 0 != test_~tmp___2~0; 613#L902-2 assume !(0 != ~pumpRunning~0); 584#L693 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 574#L725 assume !(0 != ~pumpRunning~0); 564#L700 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 579#L501 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 586#L53 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 587#L533 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 527#L59 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 523#L59-1 [2018-11-28 12:47:22,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:22,886 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 12:47:22,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:22,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:22,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:22,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:22,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1581787104, now seen corresponding path program 1 times [2018-11-28 12:47:22,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:22,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:22,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,929 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:47:22,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:47:22,936 INFO L82 PathProgramCache]: Analyzing trace with hash 209512326, now seen corresponding path program 1 times [2018-11-28 12:47:22,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:47:22,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:47:22,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:47:22,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:47:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:47:28,593 WARN L180 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 12:47:31,055 WARN L180 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 12:47:31,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:47:31 BoogieIcfgContainer [2018-11-28 12:47:31,094 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:47:31,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:47:31,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:47:31,094 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:47:31,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:47:21" (3/4) ... [2018-11-28 12:47:31,097 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:47:31,141 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_41bbc722-b85b-48e8-9dcf-1e4ce8efb6d4/bin-2019/uautomizer/witness.graphml [2018-11-28 12:47:31,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:47:31,142 INFO L168 Benchmark]: Toolchain (without parser) took 10167.82 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.3 MB). Free memory was 956.0 MB in the beginning and 985.7 MB in the end (delta: -29.7 MB). Peak memory consumption was 278.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:47:31,143 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:47:31,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:47:31,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.49 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:47:31,143 INFO L168 Benchmark]: Boogie Preprocessor took 26.15 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. [2018-11-28 12:47:31,144 INFO L168 Benchmark]: RCFGBuilder took 526.35 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: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:47:31,144 INFO L168 Benchmark]: BuchiAutomizer took 9185.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.1 MB). Free memory was 1.1 GB in the beginning and 995.3 MB in the end (delta: 64.2 MB). Peak memory consumption was 363.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:47:31,144 INFO L168 Benchmark]: Witness Printer took 47.52 ms. Allocated memory is still 1.3 GB. Free memory was 995.3 MB in the beginning and 985.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:47:31,148 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.49 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.15 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. * RCFGBuilder took 526.35 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: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9185.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.1 MB). Free memory was 1.1 GB in the beginning and 995.3 MB in the end (delta: 64.2 MB). Peak memory consumption was 363.1 MB. Max. memory is 11.5 GB. * Witness Printer took 47.52 ms. Allocated memory is still 1.3 GB. Free memory was 995.3 MB in the beginning and 985.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 105 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 236 SDtfs, 672 SDslu, 402 SDs, 0 SdLazy, 51 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 866]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c0b3b68=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@754fcc05=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@559dbdd7=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20af76e8=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=14, NULL=20, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f6f050d=0, NULL=8, NULL=0, NULL=37, NULL=0, NULL=27, tmp___1=0, tmp=0, NULL=11, tmp___0=1, NULL=38, tmp=0, cleanupTimeShifts=4, NULL=18, NULL=23, NULL=36, NULL=28, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=34, retValue_acc=0, NULL=29, NULL=0, NULL=26, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=33, tmp=1, NULL=19, NULL=0, NULL=0, NULL=0, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79938977=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7edbdd66=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33a55c06=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64f86d55=0, retValue_acc=1, NULL=12, tmp___2=56, tmp___0=0, retValue_acc=1, NULL=15, NULL=24, splverifierCounter=0, \result=0, tmp___1=0, head=0, NULL=0, tmp=0, NULL=22, NULL=0, NULL=35, NULL=0, NULL=0, NULL=0, NULL=31, NULL=16, NULL=17} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L585] int cleanupTimeShifts = 4; [L686] int pumpRunning = 0; [L687] int systemActive = 1; [L661] int retValue_acc ; [L662] int tmp ; [L576] int retValue_acc ; [L579] retValue_acc = 1 [L580] return (retValue_acc); [L668] tmp = valid_product() [L670] COND TRUE \read(tmp) [L857] int splverifierCounter ; [L858] int tmp ; [L859] int tmp___0 ; [L860] int tmp___1 ; [L861] int tmp___2 ; [L864] splverifierCounter = 0 Loop: [L866] COND TRUE 1 [L868] COND TRUE splverifierCounter < 4 [L874] tmp = __VERIFIER_nondet_int() [L876] COND FALSE !(\read(tmp)) [L884] tmp___0 = __VERIFIER_nondet_int() [L886] COND FALSE !(\read(tmp___0)) [L894] tmp___2 = __VERIFIER_nondet_int() [L896] COND TRUE \read(tmp___2) [L693] COND FALSE !(\read(pumpRunning)) [L700] COND TRUE \read(systemActive) [L722] int tmp ; [L725] COND FALSE !(\read(pumpRunning)) [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...