./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product40_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_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product40_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/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 a7dbd4e152ee971b4407c7068d06d15a4635d510 .................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:02:45,164 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:02:45,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:02:45,171 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:02:45,171 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:02:45,172 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:02:45,172 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:02:45,173 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:02:45,174 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:02:45,174 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:02:45,175 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:02:45,175 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:02:45,176 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:02:45,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:02:45,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:02:45,177 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:02:45,178 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:02:45,178 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:02:45,179 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:02:45,180 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:02:45,181 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:02:45,181 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:02:45,182 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:02:45,182 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:02:45,183 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:02:45,183 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:02:45,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:02:45,184 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:02:45,184 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:02:45,185 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:02:45,185 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:02:45,185 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:02:45,186 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:02:45,186 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:02:45,186 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:02:45,187 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:02:45,187 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 08:02:45,194 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:02:45,194 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:02:45,195 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:02:45,195 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:02:45,195 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 08:02:45,195 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 08:02:45,196 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 08:02:45,196 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 08:02:45,196 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 08:02:45,196 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 08:02:45,196 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 08:02:45,196 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:02:45,196 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:02:45,196 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 08:02:45,197 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:02:45,197 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:02:45,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:02:45,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 08:02:45,197 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 08:02:45,197 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 08:02:45,197 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:02:45,197 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:02:45,198 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 08:02:45,198 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:02:45,198 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 08:02:45,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:02:45,198 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:02:45,198 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 08:02:45,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:02:45,198 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 08:02:45,199 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 08:02:45,199 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 08:02:45,199 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_b42e80c1-916d-4b73-8aee-5016309eebe0/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 -> a7dbd4e152ee971b4407c7068d06d15a4635d510 [2018-12-09 08:02:45,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:02:45,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:02:45,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:02:45,225 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:02:45,225 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:02:45,226 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product40_false-unreach-call_false-termination.cil.c [2018-12-09 08:02:45,262 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/data/e6736c10c/9398ecbada5d44b19dbb17a36ed96b49/FLAG406b63523 [2018-12-09 08:02:45,702 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:02:45,703 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/sv-benchmarks/c/product-lines/minepump_spec4_product40_false-unreach-call_false-termination.cil.c [2018-12-09 08:02:45,709 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/data/e6736c10c/9398ecbada5d44b19dbb17a36ed96b49/FLAG406b63523 [2018-12-09 08:02:45,719 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/data/e6736c10c/9398ecbada5d44b19dbb17a36ed96b49 [2018-12-09 08:02:45,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:02:45,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:02:45,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:02:45,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:02:45,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:02:45,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:02:45" (1/1) ... [2018-12-09 08:02:45,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c752cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:45, skipping insertion in model container [2018-12-09 08:02:45,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:02:45" (1/1) ... [2018-12-09 08:02:45,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:02:45,758 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:02:45,921 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:02:45,962 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:02:46,010 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:02:46,026 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:02:46,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46 WrapperNode [2018-12-09 08:02:46,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:02:46,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:02:46,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:02:46,028 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:02:46,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2018-12-09 08:02:46,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2018-12-09 08:02:46,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:02:46,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:02:46,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:02:46,064 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:02:46,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2018-12-09 08:02:46,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2018-12-09 08:02:46,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2018-12-09 08:02:46,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2018-12-09 08:02:46,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2018-12-09 08:02:46,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2018-12-09 08:02:46,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... [2018-12-09 08:02:46,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:02:46,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:02:46,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:02:46,087 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:02:46,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/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 08:02:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 08:02:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 08:02:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:02:46,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:02:46,422 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:02:46,423 INFO L280 CfgBuilder]: Removed 162 assue(true) statements. [2018-12-09 08:02:46,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:02:46 BoogieIcfgContainer [2018-12-09 08:02:46,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:02:46,424 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 08:02:46,424 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 08:02:46,427 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 08:02:46,427 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:02:46,428 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 08:02:45" (1/3) ... [2018-12-09 08:02:46,428 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44cca0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:02:46, skipping insertion in model container [2018-12-09 08:02:46,429 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:02:46,429 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:02:46" (2/3) ... [2018-12-09 08:02:46,429 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44cca0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:02:46, skipping insertion in model container [2018-12-09 08:02:46,429 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:02:46,429 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:02:46" (3/3) ... [2018-12-09 08:02:46,430 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product40_false-unreach-call_false-termination.cil.c [2018-12-09 08:02:46,466 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 08:02:46,466 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 08:02:46,466 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 08:02:46,466 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 08:02:46,466 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:02:46,467 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:02:46,467 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 08:02:46,467 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:02:46,467 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 08:02:46,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states. [2018-12-09 08:02:46,497 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-12-09 08:02:46,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:02:46,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:02:46,504 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:02:46,504 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:02:46,504 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 08:02:46,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states. [2018-12-09 08:02:46,508 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-12-09 08:02:46,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:02:46,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:02:46,509 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:02:46,509 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:02:46,513 INFO L794 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25); 4#L-1true havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 23#L942true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 39#L950true main_#t~ret24 := valid_product_#res;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 24#L419true assume 0 != main_~tmp~4; 76#L393true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 108#L902-1true [2018-12-09 08:02:46,513 INFO L796 eck$LassoCheckResult]: Loop: 108#L902-1true assume !false; 110#L57true assume test_~splverifierCounter~0 < 4; 38#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 62#L66true assume !(0 != test_~tmp~0); 59#L66-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 10#L76true assume !(0 != test_~tmp___0~0); 7#L76-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 33#L86true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 26#L94-1true assume !(0 != ~pumpRunning~0); 14#L131true assume !(0 != ~systemActive~0); 42#L138true havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __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~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 58#L509true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 104#L902true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 108#L902-1true [2018-12-09 08:02:46,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:02:46,517 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-09 08:02:46,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:02:46,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:02:46,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:02:46,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:02:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:02:46,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:02:46,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1670447604, now seen corresponding path program 1 times [2018-12-09 08:02:46,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:02:46,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:02:46,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:02:46,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:02:46,670 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 08:02:46,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:02:46,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:02:46,674 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 08:02:46,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:02:46,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:02:46,685 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 3 states. [2018-12-09 08:02:46,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:02:46,725 INFO L93 Difference]: Finished difference Result 214 states and 312 transitions. [2018-12-09 08:02:46,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:02:46,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 312 transitions. [2018-12-09 08:02:46,730 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 138 [2018-12-09 08:02:46,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 200 states and 297 transitions. [2018-12-09 08:02:46,734 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 200 [2018-12-09 08:02:46,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 200 [2018-12-09 08:02:46,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 200 states and 297 transitions. [2018-12-09 08:02:46,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:02:46,736 INFO L705 BuchiCegarLoop]: Abstraction has 200 states and 297 transitions. [2018-12-09 08:02:46,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states and 297 transitions. [2018-12-09 08:02:46,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 198. [2018-12-09 08:02:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-12-09 08:02:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 294 transitions. [2018-12-09 08:02:46,758 INFO L728 BuchiCegarLoop]: Abstraction has 198 states and 294 transitions. [2018-12-09 08:02:46,759 INFO L608 BuchiCegarLoop]: Abstraction has 198 states and 294 transitions. [2018-12-09 08:02:46,759 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 08:02:46,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 294 transitions. [2018-12-09 08:02:46,760 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2018-12-09 08:02:46,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:02:46,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:02:46,761 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:02:46,761 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:02:46,761 INFO L794 eck$LassoCheckResult]: Stem: 414#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25); 335#L-1 havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 336#L942 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 363#L950 main_#t~ret24 := valid_product_#res;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 364#L419 assume 0 != main_~tmp~4; 365#L393 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 391#L902-1 [2018-12-09 08:02:46,761 INFO L796 eck$LassoCheckResult]: Loop: 391#L902-1 assume !false; 456#L57 assume test_~splverifierCounter~0 < 4; 388#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 389#L66 assume !(0 != test_~tmp~0); 416#L66-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 343#L76 assume !(0 != test_~tmp___0~0); 339#L76-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 340#L86 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 366#L94-1 assume !(0 != ~pumpRunning~0); 347#L131 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 348#L189 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 472#L163-1 assume !(0 == ~pumpRunning~0); 393#L138 havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __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~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 394#L509 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 415#L902 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 391#L902-1 [2018-12-09 08:02:46,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:02:46,761 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-09 08:02:46,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:02:46,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:02:46,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:02:46,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:02:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:02:46,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:02:46,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1422660381, now seen corresponding path program 1 times [2018-12-09 08:02:46,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:02:46,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:02:46,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,797 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:02:46,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:02:46,811 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 08:02:46,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:02:46,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:02:46,812 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 08:02:46,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:02:46,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:02:46,812 INFO L87 Difference]: Start difference. First operand 198 states and 294 transitions. cyclomatic complexity: 99 Second operand 3 states. [2018-12-09 08:02:46,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:02:46,861 INFO L93 Difference]: Finished difference Result 281 states and 394 transitions. [2018-12-09 08:02:46,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:02:46,862 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 281 states and 394 transitions. [2018-12-09 08:02:46,864 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 199 [2018-12-09 08:02:46,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 281 states to 281 states and 394 transitions. [2018-12-09 08:02:46,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2018-12-09 08:02:46,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2018-12-09 08:02:46,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 281 states and 394 transitions. [2018-12-09 08:02:46,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:02:46,866 INFO L705 BuchiCegarLoop]: Abstraction has 281 states and 394 transitions. [2018-12-09 08:02:46,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states and 394 transitions. [2018-12-09 08:02:46,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2018-12-09 08:02:46,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2018-12-09 08:02:46,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2018-12-09 08:02:46,874 INFO L728 BuchiCegarLoop]: Abstraction has 281 states and 394 transitions. [2018-12-09 08:02:46,874 INFO L608 BuchiCegarLoop]: Abstraction has 281 states and 394 transitions. [2018-12-09 08:02:46,875 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 08:02:46,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 281 states and 394 transitions. [2018-12-09 08:02:46,876 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 199 [2018-12-09 08:02:46,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:02:46,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:02:46,876 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:02:46,876 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] [2018-12-09 08:02:46,877 INFO L794 eck$LassoCheckResult]: Stem: 903#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25); 820#L-1 havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 821#L942 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 849#L950 main_#t~ret24 := valid_product_#res;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 850#L419 assume 0 != main_~tmp~4; 851#L393 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 879#L902-1 [2018-12-09 08:02:46,877 INFO L796 eck$LassoCheckResult]: Loop: 879#L902-1 assume !false; 1013#L57 assume test_~splverifierCounter~0 < 4; 1012#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1011#L66 assume !(0 != test_~tmp~0); 905#L66-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 906#L76 assume !(0 != test_~tmp___0~0); 1008#L76-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1007#L86 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 852#L94-1 assume !(0 != ~pumpRunning~0); 853#L131 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1006#L189 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1005#L163-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1003#L517-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1000#L522-1 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 997#L291-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 994#L291-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 992#L297-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 989#L167-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 988#L138 havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __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~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 1015#L509 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 940#L902 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 879#L902-1 [2018-12-09 08:02:46,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:02:46,877 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-09 08:02:46,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:02:46,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:02:46,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:02:46,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:02:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:02:46,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:02:46,906 INFO L82 PathProgramCache]: Analyzing trace with hash 287627951, now seen corresponding path program 1 times [2018-12-09 08:02:46,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:02:46,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:02:46,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,907 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:02:46,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:02:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:02:46,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:02:46,915 INFO L82 PathProgramCache]: Analyzing trace with hash 743699145, now seen corresponding path program 1 times [2018-12-09 08:02:46,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:02:46,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:02:46,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:02:46,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:02:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:02:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:02:50,567 WARN L180 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-09 08:02:52,287 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-09 08:02:52,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 08:02:52 BoogieIcfgContainer [2018-12-09 08:02:52,328 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 08:02:52,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:02:52,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:02:52,329 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:02:52,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:02:46" (3/4) ... [2018-12-09 08:02:52,331 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 08:02:52,367 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b42e80c1-916d-4b73-8aee-5016309eebe0/bin-2019/uautomizer/witness.graphml [2018-12-09 08:02:52,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:02:52,368 INFO L168 Benchmark]: Toolchain (without parser) took 6645.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 950.6 MB in the beginning and 885.4 MB in the end (delta: 65.3 MB). Peak memory consumption was 213.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:02:52,368 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-09 08:02:52,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 08:02:52,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.00 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:02:52,369 INFO L168 Benchmark]: Boogie Preprocessor took 22.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:02:52,369 INFO L168 Benchmark]: RCFGBuilder took 336.81 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: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:02:52,370 INFO L168 Benchmark]: BuchiAutomizer took 5904.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.0 GB in the beginning and 885.4 MB in the end (delta: 133.5 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. [2018-12-09 08:02:52,370 INFO L168 Benchmark]: Witness Printer took 38.56 ms. Allocated memory is still 1.2 GB. Free memory is still 885.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:02:52,372 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 303.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.00 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 336.81 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: 60.1 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5904.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.0 GB in the beginning and 885.4 MB in the end (delta: 133.5 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. * Witness Printer took 38.56 ms. Allocated memory is still 1.2 GB. Free memory is still 885.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3 locations. The remainder module has 281 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 281 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 306 SDtfs, 262 SDslu, 206 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 56]: 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@228c72c7=0, NULL=0, NULL=0, NULL=0, NULL=29, NULL=12, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f3f2a89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10fb7a2c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5353e017=56, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a63c1c8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76632cd4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43a31580=0, NULL=34, NULL=8, methaneLevelCritical=0, NULL=31, tmp___0=0, retValue_acc=1, NULL=0, retValue_acc=0, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=23, NULL=19, cleanupTimeShifts=4, tmp=0, tmp=0, NULL=16, NULL=27, tmp___0=0, NULL=15, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78195bae=0, NULL=35, NULL=0, NULL=28, \result=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@558bae36=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=24, head=0, pumpRunning=0, NULL=11, \result=0, retValue_acc=1, tmp=1, NULL=38, NULL=0, NULL=0, NULL=0, \result=1, NULL=40, NULL=22, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36734556=0, tmp=1, tmp___2=56, NULL=18, NULL=20, retValue_acc=1, splverifierCounter=0, tmp=0, head=0, NULL=0, NULL=0, NULL=0, NULL=17, NULL=26, NULL=0, NULL=37, NULL=14, NULL=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L123] int pumpRunning = 0; [L124] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L434] int waterLevel = 1; [L435] int methaneLevelCritical = 0; [L697] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L410] int retValue_acc ; [L411] int tmp ; [L946] int retValue_acc ; [L949] retValue_acc = 1 [L950] return (retValue_acc); [L417] tmp = valid_product() [L419] COND TRUE \read(tmp) [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L320] systemActive = 1 [L131] COND FALSE !(\read(pumpRunning)) [L138] COND TRUE \read(systemActive) [L186] int tmp ; [L189] COND FALSE !(\read(pumpRunning)) [L160] int tmp ; [L163] COND TRUE ! pumpRunning [L283] int retValue_acc ; [L284] int tmp ; [L285] int tmp___0 ; [L514] int retValue_acc ; [L517] COND TRUE waterLevel < 2 [L518] retValue_acc = 1 [L519] return (retValue_acc); [L289] tmp = isHighWaterSensorDry() [L291] COND TRUE \read(tmp) [L292] tmp___0 = 0 [L296] retValue_acc = tmp___0 [L297] return (retValue_acc); [L165] tmp = isHighWaterLevel() [L167] COND FALSE !(\read(tmp)) [L895] int tmp ; [L896] int tmp___0 ; [L505] int retValue_acc ; [L508] retValue_acc = waterLevel [L509] return (retValue_acc); [L900] tmp = getWaterLevel() [L902] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...