./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_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_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/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 b49fd66662c490ea81dc99d4f21b657b1bc3f920 ...................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:56:46,915 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:56:46,917 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:56:46,925 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:56:46,925 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:56:46,926 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:56:46,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:56:46,928 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:56:46,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:56:46,929 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:56:46,930 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:56:46,930 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:56:46,931 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:56:46,931 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:56:46,932 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:56:46,933 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:56:46,933 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:56:46,934 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:56:46,935 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:56:46,936 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:56:46,937 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:56:46,938 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:56:46,939 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:56:46,939 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:56:46,940 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:56:46,940 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:56:46,941 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:56:46,941 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:56:46,942 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:56:46,943 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:56:46,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:56:46,943 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:56:46,943 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:56:46,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:56:46,944 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:56:46,945 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:56:46,945 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:56:46,955 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:56:46,956 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:56:46,956 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:56:46,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:56:46,957 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:56:46,957 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:56:46,957 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:56:46,957 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:56:46,957 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:56:46,957 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:56:46,958 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:56:46,958 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:56:46,958 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:56:46,958 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:56:46,958 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:56:46,958 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:56:46,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:56:46,959 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:56:46,959 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:56:46,959 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:56:46,959 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:56:46,959 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:56:46,959 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:56:46,959 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:56:46,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:56:46,960 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:56:46,960 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:56:46,960 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:56:46,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:56:46,960 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:56:46,960 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:56:46,961 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:56:46,961 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_015f2d9a-61ab-4cce-8902-2763417d6327/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 -> b49fd66662c490ea81dc99d4f21b657b1bc3f920 [2018-11-18 09:56:46,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:56:46,992 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:56:46,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:56:46,995 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:56:46,995 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:56:46,995 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-18 09:56:47,041 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/data/0884eaa0c/167afe1743e54571a22cd134808d661b/FLAGcbaf92bfe [2018-11-18 09:56:47,402 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:56:47,403 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-18 09:56:47,412 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/data/0884eaa0c/167afe1743e54571a22cd134808d661b/FLAGcbaf92bfe [2018-11-18 09:56:47,798 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/data/0884eaa0c/167afe1743e54571a22cd134808d661b [2018-11-18 09:56:47,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:56:47,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:56:47,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:56:47,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:56:47,805 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:56:47,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:56:47" (1/1) ... [2018-11-18 09:56:47,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afe988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:47, skipping insertion in model container [2018-11-18 09:56:47,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:56:47" (1/1) ... [2018-11-18 09:56:47,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:56:47,846 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:56:48,037 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:56:48,045 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:56:48,144 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:56:48,159 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:56:48,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48 WrapperNode [2018-11-18 09:56:48,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:56:48,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:56:48,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:56:48,160 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:56:48,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (1/1) ... [2018-11-18 09:56:48,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (1/1) ... [2018-11-18 09:56:48,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:56:48,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:56:48,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:56:48,193 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:56:48,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (1/1) ... [2018-11-18 09:56:48,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (1/1) ... [2018-11-18 09:56:48,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (1/1) ... [2018-11-18 09:56:48,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (1/1) ... [2018-11-18 09:56:48,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (1/1) ... [2018-11-18 09:56:48,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (1/1) ... [2018-11-18 09:56:48,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (1/1) ... [2018-11-18 09:56:48,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:56:48,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:56:48,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:56:48,213 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:56:48,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/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 09:56:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:56:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:56:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:56:48,714 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:56:48,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:56:48 BoogieIcfgContainer [2018-11-18 09:56:48,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:56:48,715 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:56:48,715 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:56:48,717 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:56:48,717 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:56:48,718 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:56:47" (1/3) ... [2018-11-18 09:56:48,718 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@352e6bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:56:48, skipping insertion in model container [2018-11-18 09:56:48,718 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:56:48,719 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:56:48" (2/3) ... [2018-11-18 09:56:48,719 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@352e6bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:56:48, skipping insertion in model container [2018-11-18 09:56:48,719 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:56:48,719 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:56:48" (3/3) ... [2018-11-18 09:56:48,720 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-18 09:56:48,752 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:56:48,752 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:56:48,752 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:56:48,752 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:56:48,752 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:56:48,752 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:56:48,752 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:56:48,752 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:56:48,752 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:56:48,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 09:56:48,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2018-11-18 09:56:48,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:56:48,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:56:48,786 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:56:48,787 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 09:56:48,787 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:56:48,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 09:56:48,791 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2018-11-18 09:56:48,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:56:48,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:56:48,792 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:56:48,792 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 09:56:48,795 INFO L794 eck$LassoCheckResult]: Stem: 70#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];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 := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#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(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 12#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 58#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 9#L73true main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 49#L295true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 14#L271true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 51#L686-3true [2018-11-18 09:56:48,796 INFO L796 eck$LassoCheckResult]: Loop: 51#L686-3true assume true; 46#L686-1true assume !false; 13#L687true assume test_~splverifierCounter~0 < 4; 74#L688true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 78#L696true assume !(0 != test_~tmp~5); 86#L696-2true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 18#L706true assume !(0 != test_~tmp___0~1); 22#L706-2true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 61#L716true assume 0 != test_~tmp___2~0; 42#L722-2true assume { :begin_inline_timeShift } true; 56#L752true assume !(0 != ~pumpRunning~0); 45#L752-2true assume !(0 != ~systemActive~0); 106#L759-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 91#L137true __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; 109#L192true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 107#L192-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 31#L769true assume { :end_inline_timeShift } true; 51#L686-3true [2018-11-18 09:56:48,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:48,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 09:56:48,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:48,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:48,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:48,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:48,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:48,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:48,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1027345427, now seen corresponding path program 1 times [2018-11-18 09:56:48,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:48,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:48,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:48,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:48,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:48,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:48,969 INFO L82 PathProgramCache]: Analyzing trace with hash 95663823, now seen corresponding path program 1 times [2018-11-18 09:56:48,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:48,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:48,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:48,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:48,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:56:49,083 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 09:56:49,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:56:49,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:56:49,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:56:49,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:56:49,192 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-11-18 09:56:49,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:56:49,357 INFO L93 Difference]: Finished difference Result 269 states and 341 transitions. [2018-11-18 09:56:49,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:56:49,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 269 states and 341 transitions. [2018-11-18 09:56:49,365 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 173 [2018-11-18 09:56:49,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 269 states to 239 states and 311 transitions. [2018-11-18 09:56:49,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 239 [2018-11-18 09:56:49,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 239 [2018-11-18 09:56:49,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 239 states and 311 transitions. [2018-11-18 09:56:49,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:56:49,374 INFO L705 BuchiCegarLoop]: Abstraction has 239 states and 311 transitions. [2018-11-18 09:56:49,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states and 311 transitions. [2018-11-18 09:56:49,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 149. [2018-11-18 09:56:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 09:56:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 194 transitions. [2018-11-18 09:56:49,401 INFO L728 BuchiCegarLoop]: Abstraction has 149 states and 194 transitions. [2018-11-18 09:56:49,401 INFO L608 BuchiCegarLoop]: Abstraction has 149 states and 194 transitions. [2018-11-18 09:56:49,402 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:56:49,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 194 transitions. [2018-11-18 09:56:49,403 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2018-11-18 09:56:49,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:56:49,404 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:56:49,404 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:56:49,404 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:56:49,405 INFO L794 eck$LassoCheckResult]: Stem: 442#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];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 := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#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(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 416#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 417#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 395#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 396#L73 main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 415#L295 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 426#L271 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 427#L686-3 [2018-11-18 09:56:49,405 INFO L796 eck$LassoCheckResult]: Loop: 427#L686-3 assume true; 488#L686-1 assume !false; 423#L687 assume test_~splverifierCounter~0 < 4; 424#L688 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 450#L696 assume !(0 != test_~tmp~5); 457#L696-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 432#L706 assume !(0 != test_~tmp___0~1); 398#L706-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 406#L716 assume 0 != test_~tmp___2~0; 407#L722-2 assume { :begin_inline_timeShift } true; 481#L752 assume !(0 != ~pumpRunning~0); 480#L752-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 482#L784 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 447#L776-1 assume { :end_inline_processEnvironment__wrappee__base } true; 446#L784-1 assume { :end_inline_processEnvironment } true; 485#L759-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 472#L137 __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; 473#L192 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 490#L192-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 465#L769 assume { :end_inline_timeShift } true; 427#L686-3 [2018-11-18 09:56:49,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:49,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 09:56:49,406 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:49,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:49,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:49,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:49,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:49,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:49,450 INFO L82 PathProgramCache]: Analyzing trace with hash 644807904, now seen corresponding path program 1 times [2018-11-18 09:56:49,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:49,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:49,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:49,451 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:56:49,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:49,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:56:49,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1003190108, now seen corresponding path program 1 times [2018-11-18 09:56:49,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:56:49,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:56:49,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:49,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:56:49,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:56:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:56:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:57:35,498 WARN L180 SmtUtils]: Spent 45.90 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 09:57:55,314 WARN L180 SmtUtils]: Spent 19.81 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 09:57:55,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:57:55 BoogieIcfgContainer [2018-11-18 09:57:55,388 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:57:55,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:57:55,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:57:55,389 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:57:55,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:56:48" (3/4) ... [2018-11-18 09:57:55,392 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:57:55,431 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_015f2d9a-61ab-4cce-8902-2763417d6327/bin-2019/uautomizer/witness.graphml [2018-11-18 09:57:55,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:57:55,432 INFO L168 Benchmark]: Toolchain (without parser) took 67631.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 956.4 MB in the beginning and 834.3 MB in the end (delta: 122.1 MB). Peak memory consumption was 316.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:57:55,433 INFO L168 Benchmark]: CDTParser took 0.12 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 09:57:55,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:57:55,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.26 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 09:57:55,435 INFO L168 Benchmark]: Boogie Preprocessor took 20.13 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 09:57:55,435 INFO L168 Benchmark]: RCFGBuilder took 501.48 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: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:57:55,436 INFO L168 Benchmark]: BuchiAutomizer took 66673.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 839.5 MB in the end (delta: 212.8 MB). Peak memory consumption was 277.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:57:55,437 INFO L168 Benchmark]: Witness Printer took 43.22 ms. Allocated memory is still 1.2 GB. Free memory was 839.5 MB in the beginning and 834.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:57:55,439 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 358.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.26 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. * Boogie Preprocessor took 20.13 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 501.48 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: 60.9 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 66673.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 839.5 MB in the end (delta: 212.8 MB). Peak memory consumption was 277.8 MB. Max. memory is 11.5 GB. * Witness Printer took 43.22 ms. Allocated memory is still 1.2 GB. Free memory was 839.5 MB in the beginning and 834.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 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 149 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 66.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 66.3s. Construction of modules took 0.1s. 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, 90 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 149 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 129 SDtfs, 485 SDslu, 685 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 686]: 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, ")"=14, ",Pump:"=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2520399f=0, "\n"=40, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, retValue_acc=0, "Off"=0, ",Pump:"=36, "libacc.c"=0, "__utac__get_this_argtype"=0, methaneLevelCritical=0, "OK"=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b915b66=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54c1344e=163, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@333cdd91=0, "__utac__get_this_arg"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7145c783=0, "On"=0, ") "=0, tmp=0, "i > 0 && i <= this->argsCount"=24, "libacc.c"=8, "Off"=0, "Env(Water:%i"=18, tmp___1=0, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, tmp___0=0, "libacc.c"=22, cleanupTimeShifts=4, "__utac__get_this_arg"=11, "libacc.c"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2959d0c9=0, "libacc.c"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42021e04=0, NULL=0, systemActive=1, waterLevel=1, ") "=39, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, ")"=0, "i > 0 && i <= this->argsCount"=28, "Pump(System:"=0, ",Meth:"=17, \result=1, head=0, pumpRunning=0, "Pump(System:"=33, \result=0, "libacc.c"=0, tmp=1, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=20, tmp=0, "Off"=38, "Off"=35, "\n"=0, retValue_acc=1, tmp___2=163, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@200d0770=0, splverifierCounter=0, "On"=0, \result=0, "CRIT"=16, "On"=34, head=0, tmp=0, "i > 0 && i <= this->argsCount"=12, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=27, "On"=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 686]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L146] FCALL "Env(Water:%i" [L147] FCALL ",Meth:" [L151] FCALL "CRIT" [L155] FCALL "OK" [L159] FCALL ")" [L606] FCALL "i > 0 && i <= this->argsCount" [L606] FCALL "libacc.c" [L607] FCALL "__utac__get_this_arg" [L613] FCALL "i > 0 && i <= this->argsCount" [L613] FCALL "libacc.c" [L614] FCALL "__utac__get_this_arg" [L652] FCALL "i > 0 && i <= this->argsCount" [L652] FCALL "libacc.c" [L653] FCALL "__utac__get_this_argtype" [L659] FCALL "i > 0 && i <= this->argsCount" [L659] FCALL "libacc.c" [L660] FCALL "__utac__get_this_argtype" [L864] FCALL "Pump(System:" [L868] FCALL "On" [L872] FCALL "Off" [L876] FCALL ",Pump:" [L880] FCALL "On" [L884] FCALL "Off" [L888] FCALL ") " [L890] FCALL "\n" [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L210] int cleanupTimeShifts = 4; [L745] int pumpRunning = 0; [L746] int systemActive = 1; [L478] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L286] int retValue_acc ; [L287] int tmp ; [L291] FCALL select_helpers() [L292] FCALL select_features() [L293] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L293] EXPR valid_product() [L293] tmp = valid_product() [L295] COND TRUE \read(tmp) [L297] FCALL setup() [L298] CALL runTest() [L280] CALL test() [L677] int splverifierCounter ; [L678] int tmp ; [L679] int tmp___0 ; [L680] int tmp___1 ; [L681] int tmp___2 ; [L684] splverifierCounter = 0 Loop: [L686] COND TRUE 1 [L688] COND TRUE splverifierCounter < 4 [L694] tmp = __VERIFIER_nondet_int() [L696] COND FALSE !(\read(tmp)) [L704] tmp___0 = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp___0)) [L714] tmp___2 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___2) [L731] CALL timeShift() [L752] COND FALSE !(\read(pumpRunning)) [L759] COND TRUE \read(systemActive) [L761] CALL processEnvironment() [L781] int tmp ; [L784] COND FALSE !(\read(pumpRunning)) [L799] RET, FCALL processEnvironment__wrappee__base() [L761] processEnvironment() [L767] CALL __utac_acc__Specification1_spec__1() [L185] int tmp ; [L186] int tmp___0 ; [L190] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] RET return (retValue_acc); [L190] EXPR isMethaneLevelCritical() [L190] tmp = isMethaneLevelCritical() [L192] COND FALSE, RET !(\read(tmp)) [L767] RET __utac_acc__Specification1_spec__1() [L731] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...