./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product37_false-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_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/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 903a1f53bc072e1ab483040d7a35aae5e2bdf412 ............................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-12-08 09:18:59,143 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:18:59,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:18:59,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:18:59,152 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:18:59,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:18:59,153 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:18:59,153 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:18:59,154 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:18:59,155 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:18:59,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:18:59,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:18:59,156 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:18:59,156 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:18:59,157 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:18:59,157 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:18:59,157 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:18:59,158 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:18:59,160 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:18:59,160 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:18:59,161 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:18:59,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:18:59,162 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:18:59,163 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:18:59,163 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:18:59,163 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:18:59,164 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:18:59,164 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:18:59,164 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:18:59,165 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:18:59,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:18:59,166 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:18:59,166 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:18:59,166 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:18:59,167 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:18:59,167 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:18:59,167 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 09:18:59,175 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:18:59,175 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:18:59,176 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:18:59,176 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:18:59,176 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:18:59,176 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 09:18:59,176 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 09:18:59,176 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 09:18:59,176 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 09:18:59,177 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 09:18:59,177 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 09:18:59,177 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:18:59,177 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:18:59,177 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 09:18:59,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:18:59,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:18:59,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:18:59,178 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 09:18:59,178 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 09:18:59,178 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 09:18:59,178 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:18:59,178 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:18:59,178 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 09:18:59,178 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:18:59,178 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 09:18:59,179 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:18:59,179 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:18:59,179 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 09:18:59,179 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:18:59,179 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:18:59,179 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 09:18:59,180 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 09:18:59,180 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_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/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 -> 903a1f53bc072e1ab483040d7a35aae5e2bdf412 [2018-12-08 09:18:59,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:18:59,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:18:59,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:18:59,210 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:18:59,210 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:18:59,211 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-12-08 09:18:59,255 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/data/588eaa81c/57017f3b79cb4e0795d94e5bf731ba22/FLAGa962f434f [2018-12-08 09:18:59,601 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:18:59,601 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/sv-benchmarks/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-12-08 09:18:59,608 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/data/588eaa81c/57017f3b79cb4e0795d94e5bf731ba22/FLAGa962f434f [2018-12-08 09:18:59,989 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/data/588eaa81c/57017f3b79cb4e0795d94e5bf731ba22 [2018-12-08 09:18:59,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:18:59,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:18:59,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:18:59,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:18:59,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:18:59,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:18:59" (1/1) ... [2018-12-08 09:18:59,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f3dea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:18:59, skipping insertion in model container [2018-12-08 09:18:59,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:18:59" (1/1) ... [2018-12-08 09:19:00,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:19:00,024 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:19:00,176 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:19:00,184 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:19:00,257 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:19:00,271 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:19:00,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00 WrapperNode [2018-12-08 09:19:00,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:19:00,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:19:00,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:19:00,272 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:19:00,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (1/1) ... [2018-12-08 09:19:00,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (1/1) ... [2018-12-08 09:19:00,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:19:00,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:19:00,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:19:00,306 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:19:00,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (1/1) ... [2018-12-08 09:19:00,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (1/1) ... [2018-12-08 09:19:00,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (1/1) ... [2018-12-08 09:19:00,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (1/1) ... [2018-12-08 09:19:00,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (1/1) ... [2018-12-08 09:19:00,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (1/1) ... [2018-12-08 09:19:00,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (1/1) ... [2018-12-08 09:19:00,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:19:00,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:19:00,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:19:00,325 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:19:00,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/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 [2018-12-08 09:19:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 09:19:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 09:19:00,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:19:00,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:19:00,665 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:19:00,665 INFO L280 CfgBuilder]: Removed 156 assue(true) statements. [2018-12-08 09:19:00,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:19:00 BoogieIcfgContainer [2018-12-08 09:19:00,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:19:00,666 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 09:19:00,666 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 09:19:00,669 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 09:19:00,670 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:19:00,670 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 09:18:59" (1/3) ... [2018-12-08 09:19:00,671 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e8f13ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 09:19:00, skipping insertion in model container [2018-12-08 09:19:00,671 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:19:00,671 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:19:00" (2/3) ... [2018-12-08 09:19:00,671 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e8f13ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 09:19:00, skipping insertion in model container [2018-12-08 09:19:00,671 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 09:19:00,671 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:19:00" (3/3) ... [2018-12-08 09:19:00,673 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-12-08 09:19:00,709 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:19:00,710 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 09:19:00,710 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 09:19:00,710 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 09:19:00,710 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:19:00,710 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:19:00,710 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 09:19:00,710 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:19:00,710 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 09:19:00,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-12-08 09:19:00,734 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-12-08 09:19:00,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:19:00,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:19:00,739 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:19:00,739 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:19:00,739 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 09:19:00,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-12-08 09:19:00,742 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2018-12-08 09:19:00,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:19:00,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:19:00,743 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:19:00,743 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:19:00,746 INFO L794 eck$LassoCheckResult]: Stem: 77#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 9#L-1true havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 13#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 8#L73true main_#t~ret25 := valid_product_#res;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 62#L416true assume 0 != main_~tmp~4; 91#L393true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, 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; 85#L908-1true [2018-12-08 09:19:00,746 INFO L796 eck$LassoCheckResult]: Loop: 85#L908-1true assume !false; 84#L93true assume test_~splverifierCounter~0 < 4; 51#L94true test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 59#L102true assume !(0 != test_~tmp~0); 56#L102-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 101#L112true assume !(0 != test_~tmp___0~0); 100#L112-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 30#L122true assume 0 != test_~tmp___2~0; 7#L128-2true assume !(0 != ~pumpRunning~0); 55#L163true assume !(0 != ~systemActive~0); 104#L170true havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 57#L515true __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 82#L908true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 85#L908-1true [2018-12-08 09:19:00,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:19:00,749 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-08 09:19:00,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:19:00,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:19:00,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:00,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:19:00,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:00,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:19:00,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1679990654, now seen corresponding path program 1 times [2018-12-08 09:19:00,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:19:00,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:19:00,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:00,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:19:00,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:00,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:19:00,878 INFO L82 PathProgramCache]: Analyzing trace with hash 34288284, now seen corresponding path program 1 times [2018-12-08 09:19:00,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:19:00,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:19:00,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:00,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:19:00,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:19:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:19:00,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:19:00,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:19:01,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:19:01,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:19:01,015 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-12-08 09:19:01,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:19:01,062 INFO L93 Difference]: Finished difference Result 108 states and 154 transitions. [2018-12-08 09:19:01,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 09:19:01,063 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 154 transitions. [2018-12-08 09:19:01,065 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-12-08 09:19:01,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 147 transitions. [2018-12-08 09:19:01,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2018-12-08 09:19:01,069 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2018-12-08 09:19:01,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 147 transitions. [2018-12-08 09:19:01,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 09:19:01,070 INFO L705 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2018-12-08 09:19:01,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 147 transitions. [2018-12-08 09:19:01,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-12-08 09:19:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-08 09:19:01,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions. [2018-12-08 09:19:01,091 INFO L728 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2018-12-08 09:19:01,091 INFO L608 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2018-12-08 09:19:01,091 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 09:19:01,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 147 transitions. [2018-12-08 09:19:01,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-12-08 09:19:01,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:19:01,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:19:01,093 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:19:01,093 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:19:01,093 INFO L794 eck$LassoCheckResult]: Stem: 326#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 247#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 248#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 245#L73 main_#t~ret25 := valid_product_#res;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 246#L416 assume 0 != main_~tmp~4; 312#L393 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, 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; 297#L908-1 [2018-12-08 09:19:01,093 INFO L796 eck$LassoCheckResult]: Loop: 297#L908-1 assume !false; 327#L93 assume test_~splverifierCounter~0 < 4; 298#L94 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 299#L102 assume !(0 != test_~tmp~0); 294#L102-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 304#L112 assume !(0 != test_~tmp___0~0); 333#L112-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 275#L122 assume 0 != test_~tmp___2~0; 242#L128-2 assume !(0 != ~pumpRunning~0); 243#L163 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 289#L221 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 290#L195-1 assume !(0 == ~pumpRunning~0); 282#L170 havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 305#L515 __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 306#L908 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 297#L908-1 [2018-12-08 09:19:01,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:19:01,094 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-08 09:19:01,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:19:01,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:19:01,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:01,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:19:01,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:01,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:19:01,123 INFO L82 PathProgramCache]: Analyzing trace with hash -2003597159, now seen corresponding path program 1 times [2018-12-08 09:19:01,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:19:01,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:19:01,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:01,124 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 09:19:01,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:19:01,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:19:01,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:19:01,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:19:01,131 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-08 09:19:01,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 09:19:01,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:19:01,132 INFO L87 Difference]: Start difference. First operand 101 states and 147 transitions. cyclomatic complexity: 48 Second operand 3 states. [2018-12-08 09:19:01,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:19:01,189 INFO L93 Difference]: Finished difference Result 142 states and 195 transitions. [2018-12-08 09:19:01,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 09:19:01,190 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 195 transitions. [2018-12-08 09:19:01,191 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-12-08 09:19:01,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 195 transitions. [2018-12-08 09:19:01,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142 [2018-12-08 09:19:01,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2018-12-08 09:19:01,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 195 transitions. [2018-12-08 09:19:01,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 09:19:01,193 INFO L705 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2018-12-08 09:19:01,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 195 transitions. [2018-12-08 09:19:01,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-12-08 09:19:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-12-08 09:19:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 195 transitions. [2018-12-08 09:19:01,197 INFO L728 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2018-12-08 09:19:01,197 INFO L608 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2018-12-08 09:19:01,197 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-08 09:19:01,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 195 transitions. [2018-12-08 09:19:01,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-12-08 09:19:01,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 09:19:01,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 09:19:01,199 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-08 09:19:01,199 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:19:01,199 INFO L794 eck$LassoCheckResult]: Stem: 581#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25); 495#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 496#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 493#L73 main_#t~ret25 := valid_product_#res;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 494#L416 assume 0 != main_~tmp~4; 563#L393 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, 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; 548#L908-1 [2018-12-08 09:19:01,199 INFO L796 eck$LassoCheckResult]: Loop: 548#L908-1 assume !false; 582#L93 assume test_~splverifierCounter~0 < 4; 549#L94 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 550#L102 assume !(0 != test_~tmp~0); 544#L102-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 554#L112 assume !(0 != test_~tmp___0~0); 588#L112-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 523#L122 assume 0 != test_~tmp___2~0; 491#L128-2 assume !(0 != ~pumpRunning~0); 492#L163 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 539#L221 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 540#L195-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 579#L523-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 580#L528-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 542#L323-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 518#L323-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 501#L329-1 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 502#L199-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 532#L170 havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 555#L515 __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 556#L908 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 548#L908-1 [2018-12-08 09:19:01,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:19:01,199 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-08 09:19:01,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:19:01,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:19:01,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:01,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:19:01,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:01,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:19:01,222 INFO L82 PathProgramCache]: Analyzing trace with hash 456147493, now seen corresponding path program 1 times [2018-12-08 09:19:01,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:19:01,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:19:01,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:01,223 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 09:19:01,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:01,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:19:01,231 INFO L82 PathProgramCache]: Analyzing trace with hash 912218687, now seen corresponding path program 1 times [2018-12-08 09:19:01,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:19:01,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:19:01,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:01,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:19:01,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:19:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:19:05,709 WARN L180 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-08 09:19:07,784 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-08 09:19:07,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 09:19:07 BoogieIcfgContainer [2018-12-08 09:19:07,814 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 09:19:07,814 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:19:07,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:19:07,814 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:19:07,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:19:00" (3/4) ... [2018-12-08 09:19:07,816 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-08 09:19:07,845 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b40cfbe4-7325-4b6a-9e65-3922e22e34ed/bin-2019/uautomizer/witness.graphml [2018-12-08 09:19:07,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:19:07,845 INFO L168 Benchmark]: Toolchain (without parser) took 7854.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.6 MB). Free memory was 950.6 MB in the beginning and 951.2 MB in the end (delta: -534.8 kB). Peak memory consumption was 315.1 MB. Max. memory is 11.5 GB. [2018-12-08 09:19:07,846 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:19:07,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:19:07,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:19:07,846 INFO L168 Benchmark]: Boogie Preprocessor took 19.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:19:07,847 INFO L168 Benchmark]: RCFGBuilder took 340.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-12-08 09:19:07,847 INFO L168 Benchmark]: BuchiAutomizer took 7147.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.0 GB in the beginning and 951.2 MB in the end (delta: 90.5 MB). Peak memory consumption was 335.2 MB. Max. memory is 11.5 GB. [2018-12-08 09:19:07,847 INFO L168 Benchmark]: Witness Printer took 30.79 ms. Allocated memory is still 1.3 GB. Free memory was 951.2 MB in the beginning and 951.2 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-12-08 09:19:07,848 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 340.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7147.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.0 GB in the beginning and 951.2 MB in the end (delta: 90.5 MB). Peak memory consumption was 335.2 MB. Max. memory is 11.5 GB. * Witness Printer took 30.79 ms. Allocated memory is still 1.3 GB. Free memory was 951.2 MB in the beginning and 951.2 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 142 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 142 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 298 SDtfs, 557 SDslu, 59 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 92]: 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=19, NULL=0, NULL=0, NULL=29, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2dddb1d0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39ad19b3=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@706cf259=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33827caa=0, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24333c46=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@580b418f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6731ee7f=0, NULL=22, NULL=26, NULL=36, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, NULL=11, NULL=0, NULL=37, NULL=0, tmp___1=0, NULL=12, NULL=15, cleanupTimeShifts=4, tmp=0, tmp=0, NULL=8, tmp___0=0, NULL=18, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@550bbcec=0, \result=0, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79fb0f66=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, NULL=38, \result=0, NULL=16, tmp=1, NULL=0, NULL=35, NULL=0, NULL=0, NULL=0, NULL=33, NULL=0, \result=1, NULL=40, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@736c07a0=0, retValue_acc=1, retValue_acc=1, tmp=1, tmp___2=56, splverifierCounter=0, NULL=0, NULL=0, NULL=23, NULL=34, tmp=0, head=0, NULL=17, NULL=14, NULL=0, NULL=0, NULL=0, NULL=20, NULL=27, NULL=31} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L155] int pumpRunning = 0; [L156] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L703] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L407] int retValue_acc ; [L408] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L414] tmp = valid_product() [L416] COND TRUE \read(tmp) [L83] int splverifierCounter ; [L84] int tmp ; [L85] int tmp___0 ; [L86] int tmp___1 ; [L87] int tmp___2 ; [L90] splverifierCounter = 0 Loop: [L92] COND TRUE 1 [L94] COND TRUE splverifierCounter < 4 [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) [L163] COND FALSE !(\read(pumpRunning)) [L170] COND TRUE \read(systemActive) [L218] int tmp ; [L221] COND FALSE !(\read(pumpRunning)) [L192] int tmp ; [L195] COND TRUE ! pumpRunning [L315] int retValue_acc ; [L316] int tmp ; [L317] int tmp___0 ; [L520] int retValue_acc ; [L523] COND TRUE waterLevel < 2 [L524] retValue_acc = 1 [L525] return (retValue_acc); [L321] tmp = isHighWaterSensorDry() [L323] COND TRUE \read(tmp) [L324] tmp___0 = 0 [L328] retValue_acc = tmp___0 [L329] return (retValue_acc); [L197] tmp = isHighWaterLevel() [L199] COND FALSE !(\read(tmp)) [L901] int tmp ; [L902] int tmp___0 ; [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...