./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/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 84841b0b7c643c254d02f565fa50ff7ee5853434 ................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 08:58:12,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:12,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:12,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:12,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:12,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:12,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:12,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:12,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:12,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:12,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:12,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:12,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:12,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:12,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:12,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:12,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:12,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:12,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:12,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:12,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:12,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:12,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:12,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:12,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:12,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:12,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:12,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:12,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:12,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:12,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:12,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:12,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:12,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:12,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:12,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:12,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:12,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:12,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:12,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:12,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:12,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:58:12,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:12,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:12,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:12,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:12,367 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:12,370 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:58:12,370 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:58:12,371 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:58:12,371 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:58:12,371 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:58:12,371 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:58:12,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:12,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:12,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:58:12,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:12,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:12,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:12,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:58:12,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:58:12,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:58:12,373 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:12,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:12,373 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:58:12,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:12,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:58:12,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:12,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:12,374 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:58:12,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:12,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:12,375 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:58:12,375 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:58:12,376 INFO L138 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_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/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 -> 84841b0b7c643c254d02f565fa50ff7ee5853434 [2019-10-22 08:58:12,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:12,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:12,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:12,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:12,428 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:12,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2019-10-22 08:58:12,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/data/f54645bcf/69cd598e2d464f25a9602c480851d54d/FLAGc55587912 [2019-10-22 08:58:12,908 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:12,909 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2019-10-22 08:58:12,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/data/f54645bcf/69cd598e2d464f25a9602c480851d54d/FLAGc55587912 [2019-10-22 08:58:12,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/data/f54645bcf/69cd598e2d464f25a9602c480851d54d [2019-10-22 08:58:12,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:12,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:12,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:12,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:12,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:12,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:12" (1/1) ... [2019-10-22 08:58:12,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79338882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:12, skipping insertion in model container [2019-10-22 08:58:12,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:12" (1/1) ... [2019-10-22 08:58:12,960 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:13,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:13,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:13,338 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:13,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:13,431 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:13,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13 WrapperNode [2019-10-22 08:58:13,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:13,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:13,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:13,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:13,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (1/1) ... [2019-10-22 08:58:13,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (1/1) ... [2019-10-22 08:58:13,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:13,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:13,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:13,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:13,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (1/1) ... [2019-10-22 08:58:13,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (1/1) ... [2019-10-22 08:58:13,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (1/1) ... [2019-10-22 08:58:13,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (1/1) ... [2019-10-22 08:58:13,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (1/1) ... [2019-10-22 08:58:13,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (1/1) ... [2019-10-22 08:58:13,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (1/1) ... [2019-10-22 08:58:13,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:13,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:13,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:13,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:13,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/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 [2019-10-22 08:58:13,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:13,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:13,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:13,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:14,214 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:14,214 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 08:58:14,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:14 BoogieIcfgContainer [2019-10-22 08:58:14,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:14,218 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:58:14,218 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:58:14,222 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:58:14,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:14,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:58:12" (1/3) ... [2019-10-22 08:58:14,225 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b3b80a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:14, skipping insertion in model container [2019-10-22 08:58:14,225 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:14,225 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:13" (2/3) ... [2019-10-22 08:58:14,225 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b3b80a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:58:14, skipping insertion in model container [2019-10-22 08:58:14,225 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:58:14,225 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:14" (3/3) ... [2019-10-22 08:58:14,228 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2019-10-22 08:58:14,277 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:58:14,277 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:58:14,278 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:58:14,278 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:14,279 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:14,279 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:58:14,279 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:14,279 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:58:14,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-10-22 08:58:14,330 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-10-22 08:58:14,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:14,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:14,340 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:58:14,340 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:14,340 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:58:14,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-10-22 08:58:14,345 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-10-22 08:58:14,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:14,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:14,346 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:58:14,346 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:14,353 INFO L791 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 12#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 7#L833true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 15#L841true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 10#L928true assume 0 != main_~tmp~8; 62#L905true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 37#L790-1true [2019-10-22 08:58:14,353 INFO L793 eck$LassoCheckResult]: Loop: 37#L790-1true assume !false; 4#L526true assume test_~splverifierCounter~0 < 4; 51#L527true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 58#L535true assume !(0 != test_~tmp~3); 60#L535-1true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 33#L545true assume !(0 != test_~tmp___0~0); 36#L545-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 9#L555true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 21#L563-1true assume !(0 != ~pumpRunning~0); 14#L596true assume !(0 != ~systemActive~0); 27#L603true havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;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; 45#L465true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 34#L790true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 37#L790-1true [2019-10-22 08:58:14,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:14,367 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 08:58:14,375 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:14,375 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610818583] [2019-10-22 08:58:14,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:14,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:14,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:15,147 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:15,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:15,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2019-10-22 08:58:15,148 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:15,148 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267533009] [2019-10-22 08:58:15,149 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:15,149 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:15,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:15,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:15,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267533009] [2019-10-22 08:58:15,206 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:15,207 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:15,207 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428198290] [2019-10-22 08:58:15,213 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 08:58:15,213 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:15,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:15,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:15,230 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2019-10-22 08:58:15,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:15,305 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2019-10-22 08:58:15,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:15,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2019-10-22 08:58:15,312 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2019-10-22 08:58:15,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2019-10-22 08:58:15,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2019-10-22 08:58:15,320 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2019-10-22 08:58:15,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2019-10-22 08:58:15,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:58:15,321 INFO L688 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2019-10-22 08:58:15,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2019-10-22 08:58:15,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-10-22 08:58:15,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-22 08:58:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2019-10-22 08:58:15,350 INFO L711 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-10-22 08:58:15,351 INFO L591 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-10-22 08:58:15,351 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:58:15,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2019-10-22 08:58:15,353 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2019-10-22 08:58:15,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:58:15,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:58:15,354 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:58:15,354 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:15,354 INFO L791 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 242#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 234#L833 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 235#L841 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 240#L928 assume 0 != main_~tmp~8; 241#L905 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 272#L790-1 [2019-10-22 08:58:15,354 INFO L793 eck$LassoCheckResult]: Loop: 272#L790-1 assume !false; 311#L526 assume test_~splverifierCounter~0 < 4; 312#L527 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 296#L535 assume !(0 != test_~tmp~3); 293#L535-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 267#L545 assume !(0 != test_~tmp___0~0); 268#L545-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 320#L555 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 238#L563-1 assume !(0 != ~pumpRunning~0); 246#L596 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 247#L628 assume !(0 != ~pumpRunning~0); 231#L603 havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;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; 263#L465 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 270#L790 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 272#L790-1 [2019-10-22 08:58:15,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:15,355 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 08:58:15,355 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:15,355 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625956102] [2019-10-22 08:58:15,356 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:15,356 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:15,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:15,712 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:15,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:15,712 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2019-10-22 08:58:15,712 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:15,713 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943203759] [2019-10-22 08:58:15,713 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:15,713 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:15,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:15,725 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:15,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:15,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2019-10-22 08:58:15,726 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:15,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330689384] [2019-10-22 08:58:15,726 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:15,726 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:15,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:58:16,054 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:58:35,852 WARN L191 SmtUtils]: Spent 19.67 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 08:58:45,685 WARN L191 SmtUtils]: Spent 9.83 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 08:58:45,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:58:45 BoogieIcfgContainer [2019-10-22 08:58:45,734 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:58:45,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:45,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:45,734 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:45,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:14" (3/4) ... [2019-10-22 08:58:45,739 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 08:58:45,778 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_344bec20-a13b-4bb8-a9e6-932cef923aa0/bin/uautomizer/witness.graphml [2019-10-22 08:58:45,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:45,780 INFO L168 Benchmark]: Toolchain (without parser) took 32835.67 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 345.0 MB). Free memory was 951.2 MB in the beginning and 981.3 MB in the end (delta: -30.1 MB). Peak memory consumption was 314.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,781 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:45,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,783 INFO L168 Benchmark]: Boogie Preprocessor took 33.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:45,783 INFO L168 Benchmark]: RCFGBuilder took 694.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,783 INFO L168 Benchmark]: BuchiAutomizer took 31516.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 984.5 MB in the end (delta: 90.5 MB). Peak memory consumption was 410.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,784 INFO L168 Benchmark]: Witness Printer took 44.28 ms. Allocated memory is still 1.4 GB. Free memory was 984.5 MB in the beginning and 981.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:45,786 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 487.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -202.3 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 694.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 31516.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 984.5 MB in the end (delta: 90.5 MB). Peak memory consumption was 410.1 MB. Max. memory is 11.5 GB. * Witness Printer took 44.28 ms. Allocated memory is still 1.4 GB. Free memory was 984.5 MB in the beginning and 981.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 31.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 31.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 525]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=-9, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2792680=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f5dd5dc=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ae000dc=0, NULL=0, NULL=-6, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bb92f6f=0, NULL=0, methaneLevelCritical=0, retValue_acc=1, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=-18, NULL=-4, tmp___0=0, NULL=-23, NULL=-14, NULL=-17, cleanupTimeShifts=4, NULL=-15, NULL=-11, NULL=-10, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5db50373=0, NULL=-12, tmp___0=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=1, NULL=-22, head=0, pumpRunning=0, NULL=-13, \result=0, NULL=-25, tmp=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e6f1938=0, NULL=0, NULL=-8, NULL=-3, NULL=-24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69e01262=0, tmp___2=57, NULL=-21, splverifierCounter=0, NULL=0, \result=0, NULL=-5, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@273ad654=0, tmp=0, NULL=0, NULL=-16, NULL=-20, NULL=0, NULL=-19, NULL=0, NULL=0, NULL=-1, NULL=-7} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L846] int cleanupTimeShifts = 4; [L919] int retValue_acc ; [L920] int tmp ; [L837] int retValue_acc ; [L840] retValue_acc = 1 [L841] return (retValue_acc); [L926] tmp = valid_product() [L928] COND TRUE \read(tmp) [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 Loop: [L525] COND TRUE 1 [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp)) [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L777] systemActive = 1 [L596] COND FALSE !(\read(pumpRunning)) [L603] COND TRUE \read(systemActive) [L625] int tmp ; [L628] COND FALSE !(\read(pumpRunning)) [L783] int tmp ; [L784] int tmp___0 ; [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L788] tmp = isMethaneLevelCritical() [L790] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...