./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product08_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_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product08_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/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 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c ......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-09 11:07:39,167 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:07:39,168 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:07:39,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:07:39,175 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:07:39,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:07:39,176 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:07:39,176 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:07:39,177 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:07:39,178 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:07:39,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:07:39,178 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:07:39,179 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:07:39,179 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:07:39,180 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:07:39,180 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:07:39,180 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:07:39,181 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:07:39,182 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:07:39,183 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:07:39,183 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:07:39,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:07:39,185 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:07:39,185 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:07:39,185 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:07:39,186 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:07:39,186 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:07:39,187 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:07:39,187 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:07:39,187 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:07:39,187 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:07:39,188 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:07:39,188 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:07:39,188 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:07:39,188 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:07:39,189 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:07:39,189 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 11:07:39,197 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:07:39,197 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:07:39,198 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:07:39,198 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:07:39,198 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 11:07:39,198 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 11:07:39,198 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 11:07:39,198 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 11:07:39,198 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 11:07:39,198 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 11:07:39,198 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 11:07:39,198 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:07:39,199 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 11:07:39,200 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:07:39,200 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 11:07:39,200 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:07:39,200 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:07:39,200 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 11:07:39,200 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:07:39,200 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 11:07:39,200 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 11:07:39,201 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 11:07:39,201 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_5c3293a2-db96-4576-a38a-3cb86812506e/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 -> 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c [2018-12-09 11:07:39,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:07:39,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:07:39,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:07:39,231 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:07:39,231 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:07:39,232 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product08_false-unreach-call_false-termination.cil.c [2018-12-09 11:07:39,266 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/data/ca94381f3/c4fc0316c6294d8e9b60e31e90a2dfdc/FLAGca5967daa [2018-12-09 11:07:39,749 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:07:39,749 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/sv-benchmarks/c/product-lines/minepump_spec3_product08_false-unreach-call_false-termination.cil.c [2018-12-09 11:07:39,756 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/data/ca94381f3/c4fc0316c6294d8e9b60e31e90a2dfdc/FLAGca5967daa [2018-12-09 11:07:40,251 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/data/ca94381f3/c4fc0316c6294d8e9b60e31e90a2dfdc [2018-12-09 11:07:40,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:07:40,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:07:40,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:07:40,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:07:40,258 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:07:40,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb0cb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40, skipping insertion in model container [2018-12-09 11:07:40,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:07:40,287 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:07:40,427 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:07:40,467 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:07:40,506 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:07:40,521 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:07:40,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40 WrapperNode [2018-12-09 11:07:40,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:07:40,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:07:40,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:07:40,521 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:07:40,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:07:40,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:07:40,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:07:40,553 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:07:40,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (1/1) ... [2018-12-09 11:07:40,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:07:40,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:07:40,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:07:40,571 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:07:40,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/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 [2018-12-09 11:07:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:07:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:07:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:07:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:07:40,889 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:07:40,889 INFO L280 CfgBuilder]: Removed 108 assue(true) statements. [2018-12-09 11:07:40,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:07:40 BoogieIcfgContainer [2018-12-09 11:07:40,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:07:40,889 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 11:07:40,890 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 11:07:40,892 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 11:07:40,892 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 11:07:40,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 11:07:40" (1/3) ... [2018-12-09 11:07:40,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bfeab72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 11:07:40, skipping insertion in model container [2018-12-09 11:07:40,893 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 11:07:40,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:07:40" (2/3) ... [2018-12-09 11:07:40,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bfeab72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 11:07:40, skipping insertion in model container [2018-12-09 11:07:40,893 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 11:07:40,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:07:40" (3/3) ... [2018-12-09 11:07:40,895 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product08_false-unreach-call_false-termination.cil.c [2018-12-09 11:07:40,925 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:07:40,926 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 11:07:40,926 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 11:07:40,926 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 11:07:40,926 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:07:40,926 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:07:40,926 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 11:07:40,926 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:07:40,926 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 11:07:40,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2018-12-09 11:07:40,950 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-12-09 11:07:40,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 11:07:40,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 11:07:40,956 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 11:07:40,956 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:07:40,956 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 11:07:40,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2018-12-09 11:07:40,958 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-12-09 11:07:40,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 11:07:40,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 11:07:40,959 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 11:07:40,959 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:07:40,962 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 11#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 41#L794true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 47#L802true main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 18#L889true assume 0 != main_~tmp~6; 4#L866true havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 19#L59-1true [2018-12-09 11:07:40,963 INFO L796 eck$LassoCheckResult]: Loop: 19#L59-1true assume !false; 14#L552true assume test_~splverifierCounter~0 < 4; 30#L553true test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 65#L561true assume !(0 != test_~tmp~4); 67#L561-1true test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 39#L571true assume !(0 != test_~tmp___0~1); 42#L571-1true test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 17#L581true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 25#L589-1true assume !(0 != ~pumpRunning~0); 71#L620true assume !(0 != ~systemActive~0); 60#L627true havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 55#L491-1true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 75#L53true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 19#L59-1true [2018-12-09 11:07:40,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:07:40,966 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-09 11:07:40,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:07:40,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:07:40,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:40,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:07:40,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:07:41,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1672356225, now seen corresponding path program 1 times [2018-12-09 11:07:41,087 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:07:41,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:07:41,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:07:41,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:07:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:07:41,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:07:41,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:07:41,124 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 11:07:41,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:07:41,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:07:41,134 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2018-12-09 11:07:41,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:07:41,164 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2018-12-09 11:07:41,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:07:41,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2018-12-09 11:07:41,168 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2018-12-09 11:07:41,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2018-12-09 11:07:41,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2018-12-09 11:07:41,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2018-12-09 11:07:41,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2018-12-09 11:07:41,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 11:07:41,174 INFO L705 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2018-12-09 11:07:41,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2018-12-09 11:07:41,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2018-12-09 11:07:41,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-09 11:07:41,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2018-12-09 11:07:41,196 INFO L728 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2018-12-09 11:07:41,196 INFO L608 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2018-12-09 11:07:41,196 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 11:07:41,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2018-12-09 11:07:41,198 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2018-12-09 11:07:41,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 11:07:41,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 11:07:41,199 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 11:07:41,199 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:07:41,199 INFO L794 eck$LassoCheckResult]: Stem: 268#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 240#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 241#L794 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 279#L802 main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 251#L889 assume 0 != main_~tmp~6; 227#L866 havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 228#L59-1 [2018-12-09 11:07:41,200 INFO L796 eck$LassoCheckResult]: Loop: 228#L59-1 assume !false; 331#L552 assume test_~splverifierCounter~0 < 4; 264#L553 test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 265#L561 assume !(0 != test_~tmp~4); 296#L561-1 test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 276#L571 assume !(0 != test_~tmp___0~1); 277#L571-1 test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 248#L581 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 249#L589-1 assume !(0 != ~pumpRunning~0); 259#L620 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 286#L652 assume !(0 != ~pumpRunning~0); 288#L627 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 291#L491-1 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 292#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 228#L59-1 [2018-12-09 11:07:41,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:07:41,200 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-09 11:07:41,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:07:41,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:07:41,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:07:41,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:07:41,255 INFO L82 PathProgramCache]: Analyzing trace with hash -323963314, now seen corresponding path program 1 times [2018-12-09 11:07:41,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:07:41,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:07:41,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,256 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 11:07:41,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:07:41,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1279076212, now seen corresponding path program 1 times [2018-12-09 11:07:41,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:07:41,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:07:41,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:07:41,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:07:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:07:41,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:07:41,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:07:41,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:07:41,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:07:41,394 INFO L87 Difference]: Start difference. First operand 126 states and 180 transitions. cyclomatic complexity: 57 Second operand 5 states. [2018-12-09 11:07:41,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:07:41,518 INFO L93 Difference]: Finished difference Result 410 states and 598 transitions. [2018-12-09 11:07:41,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:07:41,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 410 states and 598 transitions. [2018-12-09 11:07:41,523 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 302 [2018-12-09 11:07:41,526 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 410 states to 410 states and 598 transitions. [2018-12-09 11:07:41,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 410 [2018-12-09 11:07:41,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 410 [2018-12-09 11:07:41,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 410 states and 598 transitions. [2018-12-09 11:07:41,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 11:07:41,529 INFO L705 BuchiCegarLoop]: Abstraction has 410 states and 598 transitions. [2018-12-09 11:07:41,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states and 598 transitions. [2018-12-09 11:07:41,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 246. [2018-12-09 11:07:41,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-12-09 11:07:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 346 transitions. [2018-12-09 11:07:41,539 INFO L728 BuchiCegarLoop]: Abstraction has 246 states and 346 transitions. [2018-12-09 11:07:41,539 INFO L608 BuchiCegarLoop]: Abstraction has 246 states and 346 transitions. [2018-12-09 11:07:41,539 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 11:07:41,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 346 transitions. [2018-12-09 11:07:41,540 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 176 [2018-12-09 11:07:41,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 11:07:41,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 11:07:41,541 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 11:07:41,541 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:07:41,541 INFO L794 eck$LassoCheckResult]: Stem: 825#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(30);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(9);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(21);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.alloc(13);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 794#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 795#L794 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 838#L802 main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 805#L889 assume 0 != main_~tmp~6; 781#L866 havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 782#L59-1 [2018-12-09 11:07:41,542 INFO L796 eck$LassoCheckResult]: Loop: 782#L59-1 assume !false; 799#L552 assume test_~splverifierCounter~0 < 4; 800#L553 test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 822#L561 assume !(0 != test_~tmp~4); 865#L561-1 test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 835#L571 assume !(0 != test_~tmp___0~1); 836#L571-1 test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 802#L581 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 803#L589-1 assume !(0 != ~pumpRunning~0); 815#L620 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 848#L652 assume !(0 != ~pumpRunning~0); 850#L627 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 856#L491-1 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 857#L53 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 818#L523 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 819#L59 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 782#L59-1 [2018-12-09 11:07:41,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:07:41,542 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-09 11:07:41,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:07:41,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:07:41,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:07:41,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:07:41,566 INFO L82 PathProgramCache]: Analyzing trace with hash -2091093440, now seen corresponding path program 1 times [2018-12-09 11:07:41,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:07:41,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:07:41,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,567 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 11:07:41,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:07:41,573 INFO L82 PathProgramCache]: Analyzing trace with hash 831599078, now seen corresponding path program 1 times [2018-12-09 11:07:41,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:07:41,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:07:41,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:07:41,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:07:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:07:46,767 WARN L180 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-09 11:07:49,254 WARN L180 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-09 11:07:49,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 11:07:49 BoogieIcfgContainer [2018-12-09 11:07:49,286 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 11:07:49,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:07:49,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:07:49,286 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:07:49,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:07:40" (3/4) ... [2018-12-09 11:07:49,289 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 11:07:49,319 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c3293a2-db96-4576-a38a-3cb86812506e/bin-2019/uautomizer/witness.graphml [2018-12-09 11:07:49,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:07:49,320 INFO L168 Benchmark]: Toolchain (without parser) took 9065.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 953.3 MB in the beginning and 860.8 MB in the end (delta: 92.5 MB). Peak memory consumption was 246.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:07:49,321 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:07:49,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:07:49,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:07:49,322 INFO L168 Benchmark]: Boogie Preprocessor took 17.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 11:07:49,322 INFO L168 Benchmark]: RCFGBuilder took 318.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:07:49,322 INFO L168 Benchmark]: BuchiAutomizer took 8396.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.0 GB in the beginning and 862.2 MB in the end (delta: 170.5 MB). Peak memory consumption was 253.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:07:49,323 INFO L168 Benchmark]: Witness Printer took 33.49 ms. Allocated memory is still 1.2 GB. Free memory was 862.2 MB in the beginning and 860.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:07:49,324 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 318.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8396.49 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.0 GB in the beginning and 862.2 MB in the end (delta: 170.5 MB). Peak memory consumption was 253.5 MB. Max. memory is 11.5 GB. * Witness Printer took 33.49 ms. Allocated memory is still 1.2 GB. Free memory was 862.2 MB in the beginning and 860.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 246 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.0s. 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, 166 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 246 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 224 SDtfs, 432 SDslu, 448 SDs, 0 SdLazy, 89 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: 551]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51c5b197=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d713b68=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@417bdcaa=0, NULL=0, NULL=22, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fb52c4f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13b410fc=0, NULL=0, NULL=0, NULL=0, NULL=39, NULL=0, retValue_acc=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3136d7f1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6779eaa7=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@517c5861=0, NULL=0, tmp=0, NULL=0, NULL=24, NULL=45, NULL=0, tmp___1=0, NULL=16, tmp___0=1, NULL=46, tmp=0, cleanupTimeShifts=4, NULL=19, NULL=29, NULL=43, NULL=35, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=17, \result=1, NULL=0, NULL=0, retValue_acc=0, NULL=20, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=36, \result=0, NULL=38, NULL=0, NULL=0, NULL=0, tmp=1, NULL=26, NULL=42, NULL=31, NULL=28, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fe0dd1e=0, tmp___2=56, retValue_acc=1, NULL=18, tmp___0=0, NULL=33, splverifierCounter=0, NULL=0, \result=0, NULL=27, tmp___1=0, head=0, NULL=0, tmp=0, NULL=34, NULL=0, NULL=40, NULL=0, NULL=0, NULL=0, NULL=37, NULL=23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L807] int cleanupTimeShifts = 4; [L880] int retValue_acc ; [L881] int tmp ; [L798] int retValue_acc ; [L801] retValue_acc = 1 [L802] return (retValue_acc); [L887] tmp = valid_product() [L889] COND TRUE \read(tmp) [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 Loop: [L551] COND TRUE 1 [L553] COND TRUE splverifierCounter < 4 [L559] tmp = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp)) [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND TRUE \read(tmp___2) [L764] systemActive = 1 [L620] COND FALSE !(\read(pumpRunning)) [L627] COND TRUE \read(systemActive) [L649] int tmp ; [L652] COND FALSE !(\read(pumpRunning)) [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L487] int retValue_acc ; [L490] retValue_acc = methaneLevelCritical [L491] return (retValue_acc); [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...