./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/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 f73634e342cf3e7f84044af175d79019321da0bc ................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:38:53,136 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:38:53,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:38:53,146 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:38:53,146 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:38:53,147 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:38:53,148 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:38:53,149 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:38:53,150 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:38:53,151 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:38:53,152 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:38:53,152 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:38:53,153 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:38:53,153 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:38:53,154 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:38:53,155 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:38:53,155 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:38:53,156 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:38:53,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:38:53,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:38:53,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:38:53,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:38:53,162 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:38:53,163 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:38:53,163 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:38:53,164 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:38:53,164 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:38:53,165 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:38:53,166 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:38:53,166 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:38:53,167 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:38:53,167 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:38:53,167 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:38:53,167 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:38:53,168 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:38:53,169 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:38:53,169 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:38:53,180 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:38:53,180 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:38:53,181 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:38:53,181 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:38:53,181 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:38:53,181 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:38:53,181 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:38:53,181 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:38:53,181 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:38:53,182 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:38:53,182 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:38:53,182 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:38:53,182 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:38:53,182 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:38:53,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:38:53,182 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:38:53,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:38:53,182 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:38:53,182 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:38:53,183 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:38:53,183 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:38:53,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:38:53,183 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:38:53,183 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:38:53,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:38:53,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:38:53,183 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:38:53,183 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:38:53,184 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:38:53,184 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:38:53,184 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:38:53,184 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:38:53,184 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_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/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 -> f73634e342cf3e7f84044af175d79019321da0bc [2018-11-28 11:38:53,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:38:53,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:38:53,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:38:53,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:38:53,221 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:38:53,222 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-11-28 11:38:53,268 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/data/71dbc4076/249677a845a042ae85326b2d552e5c35/FLAG709c415fe [2018-11-28 11:38:53,601 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:38:53,601 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-11-28 11:38:53,607 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/data/71dbc4076/249677a845a042ae85326b2d552e5c35/FLAG709c415fe [2018-11-28 11:38:53,619 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/data/71dbc4076/249677a845a042ae85326b2d552e5c35 [2018-11-28 11:38:53,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:38:53,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:38:53,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:38:53,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:38:53,628 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:38:53,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:53,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d9d830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53, skipping insertion in model container [2018-11-28 11:38:53,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:53,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:38:53,663 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:38:53,846 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:38:53,858 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:38:53,976 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:38:53,996 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:38:53,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53 WrapperNode [2018-11-28 11:38:53,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:38:53,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:38:53,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:38:53,997 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:38:54,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:54,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:54,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:38:54,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:38:54,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:38:54,041 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:38:54,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:54,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:54,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:54,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:54,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:54,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:54,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (1/1) ... [2018-11-28 11:38:54,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:38:54,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:38:54,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:38:54,064 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:38:54,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:38:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:38:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:38:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:38:54,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:38:54,554 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:38:54,554 INFO L280 CfgBuilder]: Removed 98 assue(true) statements. [2018-11-28 11:38:54,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:38:54 BoogieIcfgContainer [2018-11-28 11:38:54,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:38:54,555 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:38:54,555 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:38:54,558 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:38:54,560 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:38:54,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:38:53" (1/3) ... [2018-11-28 11:38:54,560 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5589a145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:38:54, skipping insertion in model container [2018-11-28 11:38:54,560 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:38:54,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:38:53" (2/3) ... [2018-11-28 11:38:54,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5589a145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:38:54, skipping insertion in model container [2018-11-28 11:38:54,561 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:38:54,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:38:54" (3/3) ... [2018-11-28 11:38:54,562 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-11-28 11:38:54,596 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:38:54,597 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:38:54,597 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:38:54,597 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:38:54,597 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:38:54,597 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:38:54,597 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:38:54,597 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:38:54,597 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:38:54,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states. [2018-11-28 11:38:54,626 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2018-11-28 11:38:54,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:38:54,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:38:54,632 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:38:54,632 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:38:54,633 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:38:54,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states. [2018-11-28 11:38:54,636 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2018-11-28 11:38:54,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:38:54,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:38:54,637 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:38:54,637 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:38:54,641 INFO L794 eck$LassoCheckResult]: Stem: 39#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);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(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 14#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 56#L667true 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; 62#L675true main_#t~ret71 := valid_product_#res;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; 49#L883true assume 0 != main_~tmp~7; 24#L859true ~methAndRunningLastTime~0 := 0; 12#L767true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 64#L778-1true [2018-11-28 11:38:54,641 INFO L796 eck$LassoCheckResult]: Loop: 64#L778-1true assume !false; 40#L55true assume test_~splverifierCounter~0 < 4; 57#L56true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 67#L64true assume !(0 != test_~tmp~0); 63#L64-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 46#L74true assume !(0 != test_~tmp___0~0); 36#L74-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 13#L84true assume 0 != test_~tmp___2~0; 71#L90-2true assume !(0 != ~pumpRunning~0); 45#L133true assume !(0 != ~systemActive~0); 54#L140true havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 16#L724-1true __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; 10#L778true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 64#L778-1true [2018-11-28 11:38:54,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:38:54,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 11:38:54,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:38:54,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:38:54,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:54,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:38:54,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:54,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:38:54,808 INFO L82 PathProgramCache]: Analyzing trace with hash 2383754, now seen corresponding path program 1 times [2018-11-28 11:38:54,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:38:54,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:38:54,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:54,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:38:54,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:54,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:38:54,822 INFO L82 PathProgramCache]: Analyzing trace with hash 835680260, now seen corresponding path program 1 times [2018-11-28 11:38:54,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:38:54,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:38:54,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:54,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:38:54,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:38:54,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:38:54,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:38:54,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:38:55,068 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 11:38:55,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:38:55,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:38:55,134 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 6 states. [2018-11-28 11:38:55,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:38:55,220 INFO L93 Difference]: Finished difference Result 70 states and 95 transitions. [2018-11-28 11:38:55,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:38:55,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 95 transitions. [2018-11-28 11:38:55,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2018-11-28 11:38:55,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 63 states and 88 transitions. [2018-11-28 11:38:55,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2018-11-28 11:38:55,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2018-11-28 11:38:55,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 88 transitions. [2018-11-28 11:38:55,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:38:55,232 INFO L705 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2018-11-28 11:38:55,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 88 transitions. [2018-11-28 11:38:55,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-11-28 11:38:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-28 11:38:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2018-11-28 11:38:55,258 INFO L728 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2018-11-28 11:38:55,258 INFO L608 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2018-11-28 11:38:55,258 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:38:55,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 88 transitions. [2018-11-28 11:38:55,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2018-11-28 11:38:55,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:38:55,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:38:55,259 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:38:55,260 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:38:55,260 INFO L794 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);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(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 178#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 179#L667 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; 217#L675 main_#t~ret71 := valid_product_#res;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; 216#L883 assume 0 != main_~tmp~7; 191#L859 ~methAndRunningLastTime~0 := 0; 174#L767 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 162#L778-1 [2018-11-28 11:38:55,260 INFO L796 eck$LassoCheckResult]: Loop: 162#L778-1 assume !false; 206#L55 assume test_~splverifierCounter~0 < 4; 207#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 218#L64 assume !(0 != test_~tmp~0); 210#L64-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 213#L74 assume !(0 != test_~tmp___0~0); 204#L74-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 175#L84 assume 0 != test_~tmp___2~0; 177#L90-2 assume !(0 != ~pumpRunning~0); 197#L133 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 198#L165 assume !(0 != ~pumpRunning~0); 199#L140 havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 182#L724-1 __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; 169#L778 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 162#L778-1 [2018-11-28 11:38:55,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:38:55,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 11:38:55,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:38:55,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:38:55,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:55,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:38:55,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:55,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:38:55,303 INFO L82 PathProgramCache]: Analyzing trace with hash 53367905, now seen corresponding path program 1 times [2018-11-28 11:38:55,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:38:55,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:38:55,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:55,305 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:38:55,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:55,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:38:55,314 INFO L82 PathProgramCache]: Analyzing trace with hash 115755815, now seen corresponding path program 1 times [2018-11-28 11:38:55,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:38:55,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:38:55,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:55,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:38:55,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:38:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:38:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:39:00,931 WARN L180 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 11:39:03,480 WARN L180 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 11:39:03,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:39:03 BoogieIcfgContainer [2018-11-28 11:39:03,517 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:39:03,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:39:03,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:39:03,518 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:39:03,518 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:38:54" (3/4) ... [2018-11-28 11:39:03,522 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:39:03,563 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_396507f7-7e78-4c2a-91e5-da7b09ec1ab4/bin-2019/uautomizer/witness.graphml [2018-11-28 11:39:03,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:39:03,564 INFO L168 Benchmark]: Toolchain (without parser) took 9942.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.2 MB). Free memory was 952.6 MB in the beginning and 995.9 MB in the end (delta: -43.3 MB). Peak memory consumption was 251.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:03,565 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:03,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 952.6 MB in the beginning and 1.2 GB in the end (delta: -208.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:03,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:03,566 INFO L168 Benchmark]: Boogie Preprocessor took 22.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:39:03,566 INFO L168 Benchmark]: RCFGBuilder took 490.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:03,566 INFO L168 Benchmark]: BuchiAutomizer took 8962.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 121.6 MB). Free memory was 1.1 GB in the beginning and 997.9 MB in the end (delta: 100.8 MB). Peak memory consumption was 337.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:03,567 INFO L168 Benchmark]: Witness Printer took 45.30 ms. Allocated memory is still 1.3 GB. Free memory was 997.9 MB in the beginning and 995.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:39:03,570 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 952.6 MB in the beginning and 1.2 GB in the end (delta: -208.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 490.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8962.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 121.6 MB). Free memory was 1.1 GB in the beginning and 997.9 MB in the end (delta: 100.8 MB). Peak memory consumption was 337.2 MB. Max. memory is 11.5 GB. * Witness Printer took 45.30 ms. Allocated memory is still 1.3 GB. Free memory was 997.9 MB in the beginning and 995.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 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 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.7s. 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 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 90 SDtfs, 277 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: 54]: 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, NULL=0, NULL=0, NULL=31, NULL=38, NULL=0, NULL=37, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5faa8270=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@446e4d45=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e98a239=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7440bef6=0, NULL=0, NULL=0, retValue_acc=0, NULL=15, methaneLevelCritical=0, NULL=36, NULL=8, NULL=0, NULL=0, NULL=28, tmp___1=0, NULL=0, NULL=26, cleanupTimeShifts=4, tmp=0, NULL=23, NULL=12, NULL=29, NULL=19, NULL=14, NULL=0, systemActive=1, waterLevel=1, NULL=0, retValue_acc=0, NULL=0, NULL=16, NULL=0, NULL=35, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=27, NULL=0, NULL=0, \result=1, NULL=24, head=0, pumpRunning=0, \result=0, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@377b48f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bbc317a=0, NULL=20, NULL=0, tmp=1, NULL=0, NULL=0, retValue_acc=1, NULL=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24176adf=0, tmp___2=56, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, tmp=0, head=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46c30163=0, NULL=33, NULL=0, NULL=34, NULL=17, NULL=18, NULL=11, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L125] int pumpRunning = 0; [L126] int systemActive = 1; [L445] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L681] int waterLevel = 1; [L682] int methaneLevelCritical = 0; [L761] int methAndRunningLastTime ; [L800] int cleanupTimeShifts = 4; [L874] int retValue_acc ; [L875] int tmp ; [L671] int retValue_acc ; [L674] retValue_acc = 1 [L675] return (retValue_acc); [L881] tmp = valid_product() [L883] COND TRUE \read(tmp) [L766] methAndRunningLastTime = 0 [L45] int splverifierCounter ; [L46] int tmp ; [L47] int tmp___0 ; [L48] int tmp___1 ; [L49] int tmp___2 ; [L52] splverifierCounter = 0 Loop: [L54] COND TRUE 1 [L56] COND TRUE splverifierCounter < 4 [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) [L133] COND FALSE !(\read(pumpRunning)) [L140] COND TRUE \read(systemActive) [L162] int tmp ; [L165] COND FALSE !(\read(pumpRunning)) [L771] int tmp ; [L772] int tmp___0 ; [L720] int retValue_acc ; [L723] retValue_acc = methaneLevelCritical [L724] return (retValue_acc); [L776] tmp = isMethaneLevelCritical() [L778] COND FALSE !(\read(tmp)) [L794] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...