./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/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 3a064916388666b8cd5a1e3eb1ebd0adb240dbdf .................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 11:27:52,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:27:52,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:27:52,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:27:52,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:27:52,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:27:52,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:27:52,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:27:52,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:27:52,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:27:52,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:27:52,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:27:52,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:27:52,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:27:52,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:27:52,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:27:52,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:27:52,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:27:52,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:27:52,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:27:52,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:27:52,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:27:52,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:27:52,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:27:52,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:27:52,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:27:52,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:27:52,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:27:52,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:27:52,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:27:52,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:27:52,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:27:52,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:27:52,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:27:52,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:27:52,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:27:52,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:27:52,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:27:52,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:27:52,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:27:52,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:27:52,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 11:27:52,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:27:52,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:27:52,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:27:52,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:27:52,348 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:27:52,348 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:27:52,348 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:27:52,348 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:27:52,348 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:27:52,348 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:27:52,349 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:27:52,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:27:52,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:27:52,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:27:52,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:27:52,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:27:52,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:27:52,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:27:52,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:27:52,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:27:52,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:27:52,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:27:52,350 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:27:52,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:27:52,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:27:52,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:27:52,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:27:52,351 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:27:52,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:27:52,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:27:52,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:27:52,351 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:27:52,352 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:27:52,352 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/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/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 -> 3a064916388666b8cd5a1e3eb1ebd0adb240dbdf [2019-12-07 11:27:52,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:27:52,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:27:52,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:27:52,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:27:52,464 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:27:52,464 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2019-12-07 11:27:52,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/data/6fe2f1c8a/da9f779ed9294e0d8035c77df320445b/FLAG2a44611db [2019-12-07 11:27:52,933 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:27:52,933 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2019-12-07 11:27:52,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/data/6fe2f1c8a/da9f779ed9294e0d8035c77df320445b/FLAG2a44611db [2019-12-07 11:27:53,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/data/6fe2f1c8a/da9f779ed9294e0d8035c77df320445b [2019-12-07 11:27:53,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:27:53,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:27:53,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:27:53,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:27:53,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:27:53,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d55a3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53, skipping insertion in model container [2019-12-07 11:27:53,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:27:53,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:27:53,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:27:53,540 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:27:53,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:27:53,605 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:27:53,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53 WrapperNode [2019-12-07 11:27:53,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:27:53,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:27:53,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:27:53,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:27:53,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:27:53,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:27:53,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:27:53,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:27:53,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (1/1) ... [2019-12-07 11:27:53,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:27:53,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:27:53,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:27:53,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:27:53,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/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 [2019-12-07 11:27:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:27:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 11:27:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:27:53,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:27:54,054 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:27:54,054 INFO L287 CfgBuilder]: Removed 72 assume(true) statements. [2019-12-07 11:27:54,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:27:54 BoogieIcfgContainer [2019-12-07 11:27:54,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:27:54,055 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:27:54,055 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:27:54,058 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:27:54,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:27:54,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:27:53" (1/3) ... [2019-12-07 11:27:54,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bb71f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:27:54, skipping insertion in model container [2019-12-07 11:27:54,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:27:54,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:27:53" (2/3) ... [2019-12-07 11:27:54,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bb71f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:27:54, skipping insertion in model container [2019-12-07 11:27:54,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:27:54,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:27:54" (3/3) ... [2019-12-07 11:27:54,060 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2019-12-07 11:27:54,090 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:27:54,090 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:27:54,090 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:27:54,090 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:27:54,090 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:27:54,090 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:27:54,090 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:27:54,090 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:27:54,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-12-07 11:27:54,117 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-12-07 11:27:54,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:27:54,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:27:54,123 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:27:54,123 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:27:54,123 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:27:54,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-12-07 11:27:54,126 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-12-07 11:27:54,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:27:54,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:27:54,127 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:27:54,127 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:27:54,130 INFO L794 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 4#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 32#L407true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 56#L415true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 61#L130true assume 0 != main_~tmp~0; 15#L103true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L366-1true [2019-12-07 11:27:54,131 INFO L796 eck$LassoCheckResult]: Loop: 13#L366-1true assume !false; 9#L164true assume test_~splverifierCounter~0 < 4; 10#L165true test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 47#L173true assume !(0 != test_~tmp~1); 44#L173-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 24#L183true assume !(0 != test_~tmp___0~0); 22#L183-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 6#L193true assume 0 != test_~tmp___2~0; 29#L199-2true assume !(0 != ~pumpRunning~0); 36#L232true assume 0 != ~systemActive~0; 27#L239true havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 58#L829true __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; 41#L360true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 13#L366-1true [2019-12-07 11:27:54,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:54,135 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-12-07 11:27:54,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:54,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254125888] [2019-12-07 11:27:54,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:54,332 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:54,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:54,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573544, now seen corresponding path program 1 times [2019-12-07 11:27:54,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:54,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157764690] [2019-12-07 11:27:54,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:54,344 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:54,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:54,345 INFO L82 PathProgramCache]: Analyzing trace with hash 31705394, now seen corresponding path program 1 times [2019-12-07 11:27:54,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:54,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077718506] [2019-12-07 11:27:54,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:27:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:27:54,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077718506] [2019-12-07 11:27:54,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:27:54,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:27:54,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401522663] [2019-12-07 11:27:54,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:27:54,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:27:54,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:27:54,495 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 5 states. [2019-12-07 11:27:54,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:27:54,583 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2019-12-07 11:27:54,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:27:54,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 263 transitions. [2019-12-07 11:27:54,590 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2019-12-07 11:27:54,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 163 states and 241 transitions. [2019-12-07 11:27:54,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2019-12-07 11:27:54,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2019-12-07 11:27:54,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 241 transitions. [2019-12-07 11:27:54,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:27:54,597 INFO L688 BuchiCegarLoop]: Abstraction has 163 states and 241 transitions. [2019-12-07 11:27:54,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 241 transitions. [2019-12-07 11:27:54,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2019-12-07 11:27:54,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-12-07 11:27:54,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2019-12-07 11:27:54,622 INFO L711 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2019-12-07 11:27:54,622 INFO L591 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2019-12-07 11:27:54,622 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:27:54,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 140 transitions. [2019-12-07 11:27:54,624 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 70 [2019-12-07 11:27:54,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:27:54,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:27:54,624 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:27:54,625 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:27:54,625 INFO L794 eck$LassoCheckResult]: Stem: 293#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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.allocOnStack(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);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 268#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 269#L407 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 310#L415 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 334#L130 assume 0 != main_~tmp~0; 286#L103 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 284#L366-1 [2019-12-07 11:27:54,625 INFO L796 eck$LassoCheckResult]: Loop: 284#L366-1 assume !false; 275#L164 assume test_~splverifierCounter~0 < 4; 276#L165 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 326#L173 assume !(0 != test_~tmp~1); 267#L173-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 364#L183 assume !(0 != test_~tmp___0~0); 363#L183-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 362#L193 assume 0 != test_~tmp___2~0; 359#L199-2 assume !(0 != ~pumpRunning~0); 358#L232 assume 0 != ~systemActive~0; 300#L239 havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 301#L829 __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; 317#L360 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 318#L861 __utac_acc__Specification3_spec__1_#t~ret24 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; 319#L366 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 284#L366-1 [2019-12-07 11:27:54,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:54,625 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-12-07 11:27:54,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:54,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337950506] [2019-12-07 11:27:54,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:54,683 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:54,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:54,683 INFO L82 PathProgramCache]: Analyzing trace with hash -2045467414, now seen corresponding path program 1 times [2019-12-07 11:27:54,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:54,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691752885] [2019-12-07 11:27:54,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:54,691 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:27:54,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:27:54,692 INFO L82 PathProgramCache]: Analyzing trace with hash 404117636, now seen corresponding path program 1 times [2019-12-07 11:27:54,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:27:54,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071315697] [2019-12-07 11:27:54,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:27:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:27:54,743 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:28:16,258 WARN L192 SmtUtils]: Spent 21.44 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-12-07 11:28:28,132 WARN L192 SmtUtils]: Spent 11.87 s on a formula simplification that was a NOOP. DAG size: 400 [2019-12-07 11:28:28,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:28:28 BoogieIcfgContainer [2019-12-07 11:28:28,180 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:28:28,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:28:28,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:28:28,180 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:28:28,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:27:54" (3/4) ... [2019-12-07 11:28:28,183 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 11:28:28,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9bc04c5e-2a79-4415-a963-48284f2b9f7e/bin/uautomizer/witness.graphml [2019-12-07 11:28:28,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:28:28,218 INFO L168 Benchmark]: Toolchain (without parser) took 34936.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:28:28,219 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:28:28,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:28:28,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:28:28,220 INFO L168 Benchmark]: Boogie Preprocessor took 22.35 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:28:28,220 INFO L168 Benchmark]: RCFGBuilder took 387.80 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: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:28:28,220 INFO L168 Benchmark]: BuchiAutomizer took 34124.60 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 1.1 GB in the end (delta: -106.4 MB). Peak memory consumption was 244.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:28:28,221 INFO L168 Benchmark]: Witness Printer took 37.07 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: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:28:28,222 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.35 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 387.80 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: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34124.60 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 1.1 GB in the end (delta: -106.4 MB). Peak memory consumption was 244.8 MB. Max. memory is 11.5 GB. * Witness Printer took 37.07 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: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 5 locations. The remainder module has 100 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 33.8s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 100 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 280 SDslu, 300 SDs, 0 SdLazy, 43 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 163]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2478} State at position 1 is {NULL=0, NULL=0, NULL=2484, NULL=11159, NULL=0, retValue_acc=0, NULL=0, NULL=2478, NULL=21174, NULL=18060, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30673ef1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@449065f2=51, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a26f640=0, NULL=21175, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@543647ff=0, NULL=2488, methaneLevelCritical=0, NULL=2482, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=21180, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67ac1800=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fb978de=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b6dda41=0, NULL=11156, NULL=2487, tmp=0, NULL=11154, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, NULL=21177, \result=1, NULL=0, NULL=2483, NULL=0, retValue_acc=0, NULL=0, NULL=2489, NULL=0, NULL=21178, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=21176, head=0, pumpRunning=0, tmp=1, NULL=11157, NULL=2479, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e8d1b96=0, NULL=0, NULL=0, NULL=21179, retValue_acc=1, NULL=2480, NULL=2481, NULL=0, retValue_acc=1, tmp___2=51, splverifierCounter=0, NULL=0, \result=0, NULL=2486, tmp___1=0, head=0, NULL=0, NULL=11158, NULL=0, NULL=2485, NULL=0, NULL=11155} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L224] int pumpRunning = 0; [L225] int systemActive = 1; [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L411] int retValue_acc ; [L414] retValue_acc = 1 [L415] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L154] int splverifierCounter ; [L155] int tmp ; [L156] int tmp___0 ; [L157] int tmp___1 ; [L158] int tmp___2 ; [L161] splverifierCounter = 0 Loop: [L163] COND TRUE 1 [L165] COND TRUE splverifierCounter < 4 [L171] tmp = __VERIFIER_nondet_int() [L173] COND FALSE !(\read(tmp)) [L181] tmp___0 = __VERIFIER_nondet_int() [L183] COND FALSE !(\read(tmp___0)) [L191] tmp___2 = __VERIFIER_nondet_int() [L193] COND TRUE \read(tmp___2) [L232] COND FALSE !(\read(pumpRunning)) [L239] COND TRUE \read(systemActive) [L352] int tmp ; [L353] int tmp___0 ; [L354] int tmp___1 ; [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); [L358] tmp = isMethaneLevelCritical() [L360] COND FALSE !(\read(tmp)) [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); [L364] tmp___0 = getWaterLevel() [L366] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...