./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/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 06e1bbb05b064353049072459310c7da1eede934 ............................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-635dfa2 [2018-12-02 09:51:05,948 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 09:51:05,949 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 09:51:05,954 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 09:51:05,955 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 09:51:05,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 09:51:05,956 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 09:51:05,957 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 09:51:05,957 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 09:51:05,958 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 09:51:05,958 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 09:51:05,959 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 09:51:05,959 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 09:51:05,959 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 09:51:05,960 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 09:51:05,960 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 09:51:05,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 09:51:05,962 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 09:51:05,963 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 09:51:05,963 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 09:51:05,964 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 09:51:05,964 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 09:51:05,966 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 09:51:05,966 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 09:51:05,966 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 09:51:05,966 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 09:51:05,967 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 09:51:05,967 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 09:51:05,967 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 09:51:05,968 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 09:51:05,968 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 09:51:05,968 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 09:51:05,969 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 09:51:05,969 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 09:51:05,969 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 09:51:05,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 09:51:05,970 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 09:51:05,977 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 09:51:05,977 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 09:51:05,978 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 09:51:05,978 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 09:51:05,978 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 09:51:05,978 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 09:51:05,979 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 09:51:05,979 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 09:51:05,979 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 09:51:05,979 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 09:51:05,979 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 09:51:05,979 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 09:51:05,979 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 09:51:05,979 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 09:51:05,979 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 09:51:05,979 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 09:51:05,979 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 09:51:05,980 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 09:51:05,980 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 09:51:05,980 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 09:51:05,980 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 09:51:05,980 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 09:51:05,980 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 09:51:05,980 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 09:51:05,980 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 09:51:05,980 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 09:51:05,980 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 09:51:05,980 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 09:51:05,981 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 09:51:05,981 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 09:51:05,981 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 09:51:05,981 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 09:51:05,981 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_5c3a91fc-174e-402b-b460-f0e5fc230e74/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 -> 06e1bbb05b064353049072459310c7da1eede934 [2018-12-02 09:51:05,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 09:51:06,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 09:51:06,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 09:51:06,012 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 09:51:06,012 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 09:51:06,013 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-12-02 09:51:06,047 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/data/699aa4d5e/530d893007c74f5892dd681c64ec58ab/FLAG16d7faba5 [2018-12-02 09:51:06,505 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 09:51:06,505 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/sv-benchmarks/c/product-lines/minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-12-02 09:51:06,511 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/data/699aa4d5e/530d893007c74f5892dd681c64ec58ab/FLAG16d7faba5 [2018-12-02 09:51:06,519 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/data/699aa4d5e/530d893007c74f5892dd681c64ec58ab [2018-12-02 09:51:06,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 09:51:06,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 09:51:06,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 09:51:06,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 09:51:06,524 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 09:51:06,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06, skipping insertion in model container [2018-12-02 09:51:06,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 09:51:06,551 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 09:51:06,691 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:51:06,730 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 09:51:06,770 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 09:51:06,785 INFO L195 MainTranslator]: Completed translation [2018-12-02 09:51:06,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06 WrapperNode [2018-12-02 09:51:06,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 09:51:06,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 09:51:06,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 09:51:06,786 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 09:51:06,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 09:51:06,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 09:51:06,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 09:51:06,818 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 09:51:06,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (1/1) ... [2018-12-02 09:51:06,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 09:51:06,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 09:51:06,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 09:51:06,836 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 09:51:06,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/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 [2018-12-02 09:51:06,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 09:51:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 09:51:06,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 09:51:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 09:51:07,151 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 09:51:07,151 INFO L280 CfgBuilder]: Removed 96 assue(true) statements. [2018-12-02 09:51:07,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:51:07 BoogieIcfgContainer [2018-12-02 09:51:07,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 09:51:07,152 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 09:51:07,153 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 09:51:07,155 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 09:51:07,156 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 09:51:07,156 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 09:51:06" (1/3) ... [2018-12-02 09:51:07,157 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@286b857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 09:51:07, skipping insertion in model container [2018-12-02 09:51:07,157 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 09:51:07,157 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:06" (2/3) ... [2018-12-02 09:51:07,158 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@286b857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 09:51:07, skipping insertion in model container [2018-12-02 09:51:07,158 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 09:51:07,158 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:51:07" (3/3) ... [2018-12-02 09:51:07,159 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product13_true-unreach-call_false-termination.cil.c [2018-12-02 09:51:07,202 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 09:51:07,203 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 09:51:07,203 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 09:51:07,203 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 09:51:07,203 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 09:51:07,203 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 09:51:07,203 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 09:51:07,203 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 09:51:07,203 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 09:51:07,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2018-12-02 09:51:07,234 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2018-12-02 09:51:07,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 09:51:07,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 09:51:07,239 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 09:51:07,239 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:51:07,239 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 09:51:07,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2018-12-02 09:51:07,243 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2018-12-02 09:51:07,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 09:51:07,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 09:51:07,243 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 09:51:07,243 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:51:07,247 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 14#L-1true havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 5#L526true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 38#L534true main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 64#L624true assume 0 != main_~tmp~3; 34#L600true 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; 26#L647-1true [2018-12-02 09:51:07,247 INFO L796 eck$LassoCheckResult]: Loop: 26#L647-1true assume !false; 3#L676true assume test_~splverifierCounter~0 < 4; 46#L677true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 49#L685true assume !(0 != test_~tmp~5); 52#L685-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 36#L695true assume !(0 != test_~tmp___0~1); 39#L695-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 10#L705true assume 0 != test_~tmp___2~0; 59#L711-2true assume !(0 != ~pumpRunning~0); 33#L739true assume !(0 != ~systemActive~0); 42#L746true havoc __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_#t~ret48, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;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; 57#L455-1true __utac_acc__Specification1_spec__1_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; 21#L647true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 26#L647-1true [2018-12-02 09:51:07,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:51:07,252 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-02 09:51:07,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:51:07,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:51:07,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:51:07,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:51:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:51:07,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:51:07,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899262, now seen corresponding path program 1 times [2018-12-02 09:51:07,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:51:07,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:51:07,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:51:07,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:51:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:51:07,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:51:07,396 INFO L82 PathProgramCache]: Analyzing trace with hash 32379676, now seen corresponding path program 1 times [2018-12-02 09:51:07,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:51:07,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:51:07,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:51:07,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 09:51:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 09:51:07,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 09:51:07,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 09:51:07,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 09:51:07,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 09:51:07,540 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 6 states. [2018-12-02 09:51:07,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:51:07,601 INFO L93 Difference]: Finished difference Result 66 states and 88 transitions. [2018-12-02 09:51:07,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 09:51:07,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 88 transitions. [2018-12-02 09:51:07,604 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-12-02 09:51:07,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2018-12-02 09:51:07,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2018-12-02 09:51:07,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2018-12-02 09:51:07,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2018-12-02 09:51:07,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-02 09:51:07,608 INFO L705 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2018-12-02 09:51:07,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2018-12-02 09:51:07,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-02 09:51:07,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-02 09:51:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2018-12-02 09:51:07,627 INFO L728 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2018-12-02 09:51:07,627 INFO L608 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2018-12-02 09:51:07,627 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 09:51:07,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2018-12-02 09:51:07,627 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-12-02 09:51:07,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 09:51:07,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 09:51:07,628 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-02 09:51:07,628 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 09:51:07,628 INFO L794 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 176#L-1 havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 155#L526 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 156#L534 main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 199#L624 assume 0 != main_~tmp~3; 194#L600 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; 187#L647-1 [2018-12-02 09:51:07,628 INFO L796 eck$LassoCheckResult]: Loop: 187#L647-1 assume !false; 150#L676 assume test_~splverifierCounter~0 < 4; 151#L677 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 202#L685 assume !(0 != test_~tmp~5); 205#L685-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 198#L695 assume !(0 != test_~tmp___0~1); 192#L695-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 169#L705 assume 0 != test_~tmp___2~0; 170#L711-2 assume !(0 != ~pumpRunning~0); 193#L739 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 160#L771 assume !(0 != ~pumpRunning~0); 161#L746 havoc __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_#t~ret48, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;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; 200#L455-1 __utac_acc__Specification1_spec__1_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; 186#L647 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 187#L647-1 [2018-12-02 09:51:07,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:51:07,628 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-02 09:51:07,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:51:07,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:51:07,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:51:07,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:51:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:51:07,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:51:07,654 INFO L82 PathProgramCache]: Analyzing trace with hash -619797861, now seen corresponding path program 1 times [2018-12-02 09:51:07,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:51:07,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:51:07,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,655 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 09:51:07,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:51:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:51:07,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 09:51:07,660 INFO L82 PathProgramCache]: Analyzing trace with hash 983241665, now seen corresponding path program 1 times [2018-12-02 09:51:07,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 09:51:07,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 09:51:07,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 09:51:07,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 09:51:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:51:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 09:51:12,846 WARN L180 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-02 09:51:15,278 WARN L180 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-02 09:51:15,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 09:51:15 BoogieIcfgContainer [2018-12-02 09:51:15,313 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 09:51:15,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:51:15,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:51:15,313 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:51:15,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:51:07" (3/4) ... [2018-12-02 09:51:15,315 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 09:51:15,347 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c3a91fc-174e-402b-b460-f0e5fc230e74/bin-2019/uautomizer/witness.graphml [2018-12-02 09:51:15,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:51:15,347 INFO L168 Benchmark]: Toolchain (without parser) took 8826.19 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.6 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -59.3 MB). Peak memory consumption was 234.3 MB. Max. memory is 11.5 GB. [2018-12-02 09:51:15,348 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:51:15,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:51:15,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:51:15,349 INFO L168 Benchmark]: Boogie Preprocessor took 18.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:51:15,349 INFO L168 Benchmark]: RCFGBuilder took 316.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2018-12-02 09:51:15,349 INFO L168 Benchmark]: BuchiAutomizer took 8160.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.5 MB). Peak memory consumption was 359.2 MB. Max. memory is 11.5 GB. [2018-12-02 09:51:15,349 INFO L168 Benchmark]: Witness Printer took 34.07 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:51:15,350 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 316.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8160.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.5 MB). Peak memory consumption was 359.2 MB. Max. memory is 11.5 GB. * Witness Printer took 34.07 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. 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 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 7.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 256 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 675]: 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@7e778024=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68a66dfa=0, NULL=36, NULL=0, NULL=0, NULL=37, retValue_acc=0, NULL=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52d5e08=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2622521c=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a697c4a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d89079c=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b3baadc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@165b75c3=0, NULL=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=15, NULL=18, NULL=22, tmp___0=0, NULL=16, NULL=38, cleanupTimeShifts=4, NULL=11, NULL=28, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=27, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=29, NULL=0, \result=1, NULL=8, head=0, pumpRunning=0, NULL=26, \result=0, NULL=20, tmp=1, NULL=0, NULL=0, tmp=0, NULL=0, retValue_acc=1, NULL=39, NULL=34, NULL=19, NULL=0, tmp___2=56, NULL=14, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=33, head=0, NULL=0, NULL=23, tmp=0, NULL=17, NULL=0, NULL=12, NULL=0, NULL=0, NULL=24, NULL=31} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L412] int waterLevel = 1; [L413] int methaneLevelCritical = 0; [L539] int cleanupTimeShifts = 4; [L732] int pumpRunning = 0; [L733] int systemActive = 1; [L615] int retValue_acc ; [L616] int tmp ; [L530] int retValue_acc ; [L533] retValue_acc = 1 [L534] return (retValue_acc); [L622] tmp = valid_product() [L624] COND TRUE \read(tmp) [L666] int splverifierCounter ; [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; [L670] int tmp___2 ; [L673] splverifierCounter = 0 Loop: [L675] COND TRUE 1 [L677] COND TRUE splverifierCounter < 4 [L683] tmp = __VERIFIER_nondet_int() [L685] COND FALSE !(\read(tmp)) [L693] tmp___0 = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp___0)) [L703] tmp___2 = __VERIFIER_nondet_int() [L705] COND TRUE \read(tmp___2) [L739] COND FALSE !(\read(pumpRunning)) [L746] COND TRUE \read(systemActive) [L768] int tmp ; [L771] COND FALSE !(\read(pumpRunning)) [L640] int tmp ; [L641] int tmp___0 ; [L451] int retValue_acc ; [L454] retValue_acc = methaneLevelCritical [L455] return (retValue_acc); [L645] tmp = isMethaneLevelCritical() [L647] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...